Eaton Truetrac Clunking

so I hear everything. Available parts include the AAM TracRite PC Limited-Slip Differential, Eaton's Detroit TrueTrac, Ring & Pinion Gear Sets, Bearings, Install Kits & Seals. He also said that the housing is cast, and that the new ones are forged. If your driving in Blairsville you don't want a spool or locker imo. Application of the brake is used to get a Detroit to lock up faster. Re: Eaton TrueTrac noise Post by Supershafts » Tue Sep 06, 2011 2:34 am Something is wrong there. 50" Axle Shaft Diameter 2011, Detroit Truetrac™ Rear Differential by Eaton®. This disassembled view of the Eaton Truetrac reveals bevel gears that are pushed together to create torque bias based on which tire has the most traction. Rebuilt, Red Powder Coated Rear end with Major Install Kit and Eaton Truetrac, DSS 1-piece shaft, Tuned by BV. Check out the install here at 5. Usually causes banging and clunking, but gives 100% lock-up whenever traction is needed. Precision forged gears, high strength materials, and high-tech manufacturing procedures make the TrueTrac one of the most durable and reliable limited slip lockers on the market today. I have Detriot front and rear in my mudder (D60 front and 14FF Rear) which I still drive on the street from time to time. I will be getting another TrueTrac to replace the Posi. So, as some of you might know I have been chasing a rattle in my Truetrac diff, on coast at certain speed there was a rattley clunking (sounded like a jam tin full of oil with a couple of lug nuts inside rolling around, pretty loud) not a timed knock with axle rotation, just a rattle, I have chased all sorts of things, had the centre out and rechecked pinion pre-loads all new bearings, its. No clacking like the regular lockers and doesn't slip so much it makes 4WD useless in certain situations. Detroit Locker posted by Editor Detroit Locker Probably the most durable design available, these are the king of traction differentials. 5 Sterling rear axle new gear whine - Been having loads of fun with my Excursion. About 20,000 miles ago I did start noticing a gear whine when turning right. detroit locker is a mechanical. The Detroit TrueTrac proven helical cut gear design eliminates the need for wearable items such as clutches and friction cones resulting in maintenance free high performance traction differential. Functions as a LS but uses gears to do so vs. I also installed Truetrac diffs front and rear. I never was in a situation with the TrueTrac where I had unwanted wheelspin on only one rear wheel. Reading up on it the downshift clunk is very common in other applications. I may have been able to avoid it with more friction modifier additive, but it did so with or without the recommended treatment. Backlash is at. U joint has some play in it when I try turning it. Are the Eaton E-lockers for 8. It replaced a TrueTrac. Eaton tested the first Truetrac and found it defective. This is because the pinion gears and side gears rotate whenever the car is turning, and being that they do not ride on bearings, they would overheat and lock up if the clearance was set too closely. because it is the opposite of a detroit locker. Opinions please, Eaton Truetrac or Detroit Locker? Click to expand I'm a casual racer unlike many on this forum, but I chose the Eaton Truetrac because of its unique design and outstanding performance on the street and strip for the Quick Performance Ford based highly optioned 9" in the GTO. Example: TrueTrac, Eaton Posi, Auburn LSD, TracLok, Torsen Off-Road 3 of 5 On-Road 5 of 5 Average price $300-600-Auto / Mechanical Locker - Uses mechanical teeth, cams, springs, to ensure 100% lockup when throttle is applied. imho the tru trac helical type would be a step up. I've got an 8" in my V8 Cortina, and my local diff guy urged me to go with an eaton Tru-Trac at about $650 installedI couldn't be happier with it. Creager told us, "the Truetrac differential is the first in the marketplace to my knowledge that had parallel access pinion gears. I've had both the Eaton Posi and the TrueTrac. Eaton's Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket. The best online source for Performance Truck discussion. 8 (i believe that's his username) I was informed it was sent back to Eaton to make sure all was well and it came back clean. This means it is normally locked during straight-line driving and sends 100% of the available torque to both wheels equally. Eaton Posi prevents wheel slip before it can get started. The Truetrac has always been quiet, but that's based more on how they work. 73 ratio, or the 4. But unlike a normal clutch type limited slip that transfers less torque the more it slips (due to heat build-up in the clutches etc), the Truetrac's unique, patented mechanism bites harder (locking the 2 wheels together) with more torque and slip. Halfway there, before I even got on the highway, I started to feel this growling/grinding noise from under the truck as soon as I hit 35-40 mph. The Detroit Truetrac remains the leading gear-type limited slip differential in the industry. Get your 2010 Ford F-150 back in shape with a new Rear Axle Assembly today! AllUsedParts offers a range of genuine used OEM Rear Axle Assemblys guaranteed to fit your Ford F-150. From my experience, they are a purely mechanical device. The Eaton tru trac is supposed to be a good one My fabulous web page Made it to the track yesterday and the truetrac seem to work fine still making a clunk. About 20,000 miles ago I did start noticing a gear whine when turning right. thats why the tru trac was the choice for me (since I blew up my G80). Follow along as we detail the tech aspects of the Truetrac, and give a street/strip 5th Gen Camaro's independent rear suspension a big traction upgrade. In this video we show how to service the rear differential on a 1995-2013 Chevrolet Tahoe, Suburban, Silverado 1500. his 60fts off the transbrake I think are 1. ” Afterwards there will be a slight improvement in its performance. 5 Sterling rear axle new gear whine - Been having loads of fun with my Excursion. Find Eaton Detroit Truetrac Differentials 912A569 and get Free Shipping on Orders Over $99 at Summit Racing! Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. We tailor to all years of Cummins diesels and Mopar related Trucks, Jeeps and SUVs, and with the vast tech and help knowledge of our great members, you can get help or info on practically any make or model vehicle!. If you still want to maintain the adjustable tapered axle bearings, they supply a spacer to put in-between the axle shafts to maintain an accurate axle end play. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Got on the highway, and it feels like it mostly went away around 60-65. I imagine the Detroit locker is only worse. In fact, Eaton has even taken their respected Detroit Truetrac and adapted it for use in the new Camaros, and offers a great balance of streetability and hardcore performance. I have Detriot front and rear in my mudder (D60 front and 14FF Rear) which I still drive on the street from time to time. About the same, the locker will clunk and the spool will chirp tires on sharpe curves. What can cause this? What is the best oil for a truetrac and what weight? Currently running 85w140 GL5 non syn. Torque Sensitive Mechanical Unit • Automatic locking differential • Clutchless & maintenance free • Strong & aggressive unit • Operates in forward & reverse. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. I'm 182cm, and wouldn't want to be any taller, but I do fit. U-joints might be working dry of lubrication may also cause a squeaking noise at low speeds. I first started off with synthetic / conventional blend oil in the diff. So, as some of you might know I have been chasing a rattle in my Truetrac diff, on coast at certain speed there was a rattley clunking (sounded like a jam tin full of oil with a couple of lug nuts inside rolling around, pretty loud) not a timed knock with axle rotation, just a rattle, I have chased all sorts of things, had the centre out and rechecked pinion pre-loads all new bearings, its. The Truetrac is not a typical limited slip in that it’s a torsion-type third member that relies on friction to operate properly. This gear system eliminates the need for any clutches in the differential. Toyota Electric E Locker Gasket, Studs, Hardware. Example: TrueTrac, Eaton Posi, Auburn LSD, TracLok, Torsen Off-Road 3 of 5 On-Road 5 of 5 Average price $300-600-Auto / Mechanical Locker - Uses mechanical teeth, cams, springs, to ensure 100% lockup when throttle is applied. installed in a 2006 Chevy Silverado 1500 with the 8. Eaton's TrueTrac was the first LSD to use helical gears over clutches, eliminating the consumable clutches and further reducing the noise of chattering clutches. Unlocks when negotiating a turn so that the outer wheel can turn faster than the ring gear and the inside wheel, with no needed interaction from the driver. I notice it mostly when reversing directions and letting out the clutch and sometimes when letting out the clutch when accelerating from a stop. Filthy Motorsports carries a wide range of parts, gears, and upgrades for the GM 10. Instructions. Dana 30 making noise when turning. Transmission questions belong in the appropriate transmission forum below. Re: TrueTrac Clunks Making Turns at Low Speeds The guy I talked to said he's never heard of anything like this before and to check other things. The best online source for Performance Truck discussion. 20 years ago they rarely did differential work unless it was to do a gear change or a differential upgrade. 250" and 35 spline. download video. au Advertise Directly on Calais Turbo. An Eaton Truetrac for the Dana 44; and one being installed in a fifth-gen Camaro rear housing. 10:1 gear ratio (the most common stock ratio). Eaton's very own tech info specifically warns against certain fluids with FM and/or syns when using the TrueTrac. Torque Sensitive Mechanical Unit • Automatic locking differential • Clutchless & maintenance free • Strong & aggressive unit • Operates in forward & reverse. I ran an Eaton Posi in my 31 spline 8. My driving habits are pretty sedate however and may not reflect the real world when discussing LT-1 powered B-bodies. Then you need to upgrade to a Eaton 8. I'm used to driving a 4X4 and the winters where I'm in, in Canada can get pretty harsh at times. The truetrac in the GT would pop all the time, make a winding/racheting noise on decel. Eaton Performance has just released their new Detroit TrueTrac for the long ignored Dana 70 Rear Axles. Have a 03 Liberty 3. Save On Camaro Parts Save On Truck Parts. From the military AM General HMMWV to Audi Quattro sedans and SUVs, Torsen differentials provide the traction and handling that you need. [Archive] Page 32 Tips, Tricks, and Technocrats. Over the course of the last couple of months, we have been working diligently with Greg Lovell, the owner of AntiVenom, to install and test various rear end upgrades on an otherwise stock fifth. Replacement Nissan Titan E-Locker (Electronic Locker) here!. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Disengages around corners. 5 but my friend has a ls camaro with a dana 60 with roughly 1,600 -1800 hp and it holds up just fine. Thank you to jake in sales for the product knowledge he has and pricing coupled with the professional attitude I quickly found a new Eaton TrueTrac complete rear differential family waiting for their new home. Lockers and Spools for Chevy and GM: The Ultimate Guide Locker and spool systems are ideally suited for racing and special applications, and in most cases, they can be unnecessary or dangerous for the street. Excursion - King of SUVs - Got stuck in a ditch today. I'm looking into getting an Eaton Detroit TruTrac and possibly regear to 4. Will it fix the one wheel peel? Maybe, until you spin it a few times and you'll be back to square one. LS clutches wear out and you have to use special friction additives in the gear oil. I just installed new Yukon gears and an Eaton Tru-Trac. I am running non synthetic gear lube like eaton suggest. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. I never was in a situation with the TrueTrac where I had unwanted wheelspin on only one rear wheel. Myths Debunked with Titan Eaton Detroit TrueTrac install on Nissan Titans 2004-2007 Nissan Titan Eaton Detroit TrueTrac installs. Backlash is at. 86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc. Share via Email. 1996 Green/tan EB with 46000 original miles. 5 but my friend has a ls camaro with a dana 60 with roughly 1,600 -1800 hp and it holds up just fine. So all those free plays add up. The truetrac is going to be almost transparent in its transfer of torque so no clunk that some speak about when it engages. Cost was about the same as the Eaton unit and I liked the clutch less design. Eaton Truetrac, Wavetrac or Strange S-Trac. Torque Sensitive Mechanical Unit • Automatic locking differential • Clutchless & maintenance free • Strong & aggressive unit • Operates in forward & reverse. Precision forged gears, high strength materials, and high-tech manufacturing procedures make the TrueTrac one of the most durable and reliable limited slip lockers on the market today. I have a 97 Lincoln Diff running 3:55 gears and a Eaton Truetrac. The old test for a posi or limited slip was to jack up both rear wheels and spin one. '04 CC SE 4X4 OR BT A15 Red Brown Sonoma Sunset Metallic Fun Stuff: Eaton 913A582 Detroit Truetrac, RC Traction Bars w/ PRG Bearing Upgrade, Fox 2. [Archive] Page 5 1993-2002 Camaro and Firebird/Trans Am specific tech. posi /limited slip are the same thing ,ford called it one thing and gm called it something else. it was difficult and i beleive unsafe to travel any longer with this vehicle. A limited-slip differential is one that limits the slip between the axleshafts (or wheels) when power is applied. It was also absolutely perfect on the street, with no clunking or unwanted. If you want both improved rain acceleration as well as improve camp site traction then the Eaton ELocker would be the best compromise. Your only differential option that is stronger then the 33 spline 12 bolt is the clunking and banging 35 spline Detroit locker, which you DO NOT need! As mentioned above, not only over kill, but a horsepower stealer to as the 9" is less efficient, and the larger over kill heavier components take more to turn also. I do not have carpet or dynamat in my car yet. The Truetrac is the best diff for most applications. Hey guys, we have a thread which I started that looks at the "clunk" you get from a Monaro differential. I am driving it harder now and when accelerating hard while turning the rear end is making growling noise. As far as operation of the OEM E-lock, it is actuated by the driver engaging a dash board switch to engergize a solenoid in the rear axle, similar to the manner of operation of the Eaton E-locker described here: Differential Tech Photo. GM 14 bolt,GM14T-EAT-3,EAT19689,GM14,GM,EAT, 19689-010, 19689, eaton, posi, eaton posi Description: The Eaton Posi LSD prevents wheel slip before it can get started. I am running a 31 splined N case with Detroit Truetrac in my 1980 Fairmont Futura. Also you would be better with the new Eaton Detroit Locker. Eaton LSD - slips power threw clutches, until it locks. One of the best Auto Parts & Supplies, Automotive business at 2429 Mercantile Dr a, Rancho Cordova CA, 95742. From what Eaton says in there info is Synthetic oils are not recomended it just won't work the way it is supposed to but won't kill it so if you got the Dino Oil in after you drained the Synthetic it should work fine. One wheel must spin faster than the other (~100 rpm?) before the flyweights lock the axles together with centrifugal action. Whenever I drive it remotely hard for any amount of time the check engine light flashes and I take it in and they tell me usually one or two cylinders are misfiring so they change the injectors and next time it does the same thing. Re: TrueTrac Clunks Making Turns at Low Speeds The guy I talked to said he's never heard of anything like this before and to check other things. 8" or GM 10/12 bolt rear ends. At a stop, when I pulled away, heard a clang, bang, clunk. it would still get new bearings and shit when the truetrac got swapped into it, so as long as the crown wheel and pinion were good the rest can be junk. If your running an Eaton Truetrac, they say don't take it apart and run straight mineral oil and no additives or synthetic, not sure if that's what you have or not. It’s a selectable locker, being push-button, 12-volt, and electronically activated. Dalton Industries manufactures a wide range of CVT Tuning components for snowmobile as well as complete clutch kits for selected ATV models / applications. I do not have carpet or dynamat in my car yet. I've completely gone through the rear axle, new Yukon 4. RamchargerCentral. It's not pinion lash or in the driveshaft, that thunk is the center falling apart. I'm used to driving a 4X4 and the winters where I'm in, in Canada can get pretty harsh at times. Removing the Differential Carrier is a must to gain access to the Drive pinion gear removal. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. drum to drum complete and not rusted out. -Limited Slip Differential (aka LSD, "Positraction") - uses clutches, cones, or helical gears and pre-load to prevent wheel spin. Dodge Truck & SUV forum with the best tech and vehicle help on the web. I just installed new Yukon gears and an Eaton Tru-Trac. Today, you can get a Detroit Locker for Ford 9- and 8. This is basically a combination of an Eaton Truetrac and an electric manual locker. This will provide perfect street manners you won't even know it is there. Free shipping for all orders over $75. One thing you will notice with a Detroit Locker is the tell-tale 'clicking' sound it makes when you are turning a corner. I was looking at the Eaton Truetrac, I know Yukon and ARB are good but still not sure which to choose. Although Eaton now says synthetics are OK for the TrueTrac, the helical gears seem to like mineral-based oil for smooth operation, and no clunks. When purchasing your next Truetrac differential make sure to ask if it is a Harrop Eaton unit and look for these key signs to verify you are getting what you paid for; All Harrop Eaton differentials carry a unique serial number etched into the outer circumference of the Crown wheel mating flange, they will have both the Harrop and Eaton logo. 5 trutrac rear. Eaton truetrac clunking noise I have an eaton truetrac that makes a horrible clunking noise and vibration when you coast in neutral or with clutch in at any speed. It only acts like a limited slip when you turn the pinion or ring gear. Example: TrueTrac, Eaton Posi, Auburn LSD, TracLok, Torsen Off-Road 3 of 5 On-Road 5 of 5 Average price $300-600 -Auto / Mechanical Locker - Uses mechanical teeth, cams, springs, to ensure 100% lockup when throttle is applied. The higher the diff gearing is,the lower the engine will rev at highway speeds,but it also makes the car sluggish to get going off the line ,and slow to pick up speed. Check out the install here at 5. Eaton Detroit Locker - Detroit Lockers were originally manufactured by Tractech. The Eaton unit has helical gears and is very smooth on the street. Buy Detroit Locker 913A591 Trutrac Differential with 30 Spline for Dana 44: Splined Drives - Amazon. well one of my cv boots is split in half and the truck is vibrating at 60+ mph and has been doing this for about 4 months ( yea i know kinda long ). It's a selectable locker, being push-button, 12-volt, and electronically activated. Best et so far is 11. I have Detriot front and rear in my mudder (D60 front and 14FF Rear) which I still drive on the street from time to time. 73 ratio, or the 4. Ford bronco discussion forum. I'm freaked out now cause I have to drive it back to the guy 40 miles way. The Powertrax unit is a light duty locker. I took the diff apart, my back spacing is in spec. net Mustang Forum. Supporting Members do not see the above ads. Adair, fellow mechanic Daniel Parker, and drivetrain repair expert Jack Robertson removed the old locker and replaced it with the new Eaton Detroit Truetrac in about four hours, at Truck Supply and Outfitters in Tuscaloosa, Ala. Second, has anyone here installed a truetrac in the front axle before? I had one in the rear of one of my service trucks and it worked great, no bad road manners or clunking or knocking. Combine a well balanced suspension package on your Mustang with a Torsen for incredible traction! The Torsen's unique torque-sensing ability keeps engine power going to the ground during changing traction conditions. Transmission questions belong in the appropriate transmission forum below. 5" rear axle clunk There is a clunking sound coming from the rear end. The Detroit TrueTrac proven helical cut gear design eliminates the need for wearable items such as clutches and friction cones resulting in maintenance free high performance traction differential. Will it fix the one wheel peel? Maybe, until you spin it a few times and you'll be back to square one. I've got an 8" in my V8 Cortina, and my local diff guy urged me to go with an eaton Tru-Trac at about $650 installedI couldn't be happier with it. West Coast Differentials has three different locking differentials available for the Nissan Titan Dana 44 Rear axle (M226-32 Spline). well one of my cv boots is split in half and the truck is vibrating at 60+ mph and has been doing this for about 4 months ( yea i know kinda long ). The Detroit Truetrac remains the leading gear-type limited slip differential in the industry. It stays 100 percent street. LS clutches wear out and you have to use special friction additives in the gear oil. Seems like the bearings in the casing have too much clearance, or the splines inside the Eaton diff are too loose, or both. Few weeks later, the stock G80 bit the dust and is now stuck locked and makes a horrible clunk turning corners and has bad tire squeal. Find Reviews, Ratings, Directions, Business Hours, Contact Information and book online appointment. 90s and a truetrac. True-trac $590. My wagon with around 3500mi on it has started this very abrupt downshift/clunk/jerk when letting off throttle and slowing. I have a Tru-Trac in the rear of my truck. As you found out, the actuators were externally mounted and. What a difference! The Detroit provides much more traction than the torsen differential, and it withstands a lot of abuse. All Elite gears are machined from premium 8620 alloy steel, then heat treated to the strictest standards for maximum strength and durability. When I asked Eaton for technical help, they simply said it couldn't be a defective Truetrac. First is the E-Locker. If you have any questions please visit where we will answer any questions you might ha. These units give the traditional kind of out of control burn out most Gear head Muscle cars enthusiasts want. A limited-slip differential is one that limits the slip between the axleshafts (or wheels) when power is applied. I drove easy for 500 miles and replaced the fluids. It only acts like a limited slip when you turn the pinion or ring gear. Again, as to a open rear laying down twin tracks, hard to fathom, for sure. his 60fts off the transbrake I think are 1. 5" FFPackage deals available featuring OE gear sets from AAM American Axle and Dana Spicer as well as aftermarket sets from Dana SVL and Yukon brand ring and pinion gear sets. They have a good reputation as being pretty durable. '14 SHO with most all the bells and whistles. The original OEM 12T case was very weak, but the new design replacement from Eaton is very strong. It operates as an open differential under normal driving conditions, so that one wheel can spin faster or slower as necessary. • M-B 29,000 pound drive/steer front axle with operator-controlled limited slip differential. The TrueTrac has the play. it's got a 392 with a dana 60 rear with 4. Targeting for 1,5 sec 60 ft with 10,5 x 27 x 15 slicks. Anyways, the sum***** makes a clunk from the ass end that goes with road speed and the rear wheels clunk when you grab onto them and really shake hard towards and away from the truck. The 4Reak Show: 1995 4Runner, 3. If you are experienced with setting up rear ends, great. Increases traction significantly, smooth on the street, reasonably priced, but never 100% locked. The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Call, Fax, or Mail Us. This is a Detroit Locker in a moser 9" housing Not a very streetable set up. GTR High Performance of Rancho Cucamonga, California helped us rebuild the 8. 73 gears w/ Eaton Detroit TrueTrac Differential. Yor should feel the cv joint kind of feel a little springy feeling, then it should get hard again and kind of clunk if I rember correctly. Eaton Trutrac diff center are they worth it - posted in Driveline: Hi all. Check out how it works at Eaton. We usually use the factory gasket not for sealing the 3 rd member to the axle housing, but for a template when doing the modifications to the housing. This carrier unit was professionally. This means it is normally locked during straight-line driving and sends 100% of the available torque to both wheels equally. It is neither inferred nor implied that any item sold by CARiD. Look for kits that use Timken bearings. Each is designed to the exacting specifications of the OEM vehicle manufacture. 86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc. " Afterwards there will be a slight improvement in its performance. Eaton no longer offers the "Standard Locker" if they offer a soft locker. Just had my D35 upgraded with 4. The Eaton Posi limited-slip differential prevents wheel slip before it can get started. They, and all worm gear drive limited slips have their pros & cons too: * Con: If you completely unload the inside rear tire, it will spin & put no power to the outside tire. What year SSR and also what gears??? If you have a 05-06 and go with 456 gears speedo can only be recalibrated threw the pcm. The Truetrac is the best diff for most applications. 90s and a truetrac. Are these tru-trac diffs easy to fit? As in, can they be fitted in a day? I'm not very impressed with the standard LSD to be honest. au Advertise Directly on Calais Turbo. If you're still bent on staying away from the posi clutches of a limited slip rear, then go with a Detroit "TRU-Trac" limited slip which is a posi without the posi clutches to wear out. purchased Detroit Locker's parent company and greatly expanded the offerings. Eaton LSD - slips power threw clutches, until it locks. Transmission questions belong in the appropriate. If this is your first visit, be sure to check out the FAQ by clicking the link above. Torque Sensitive Mechanical Unit • Automatic locking differential • Clutchless & maintenance free • Strong & aggressive unit • Operates in forward & reverse. Usually it's when creeping in traffic and riding the brakes a little too long in a curve. View attachment 1715318536. Make sure you are coming straight out. On the road, accelerating hard out of tight corners feels good with no clunking, and always gives me the traction I need. Welcome to the Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. For a more civilized approach on the street, especially with daily drivers, many people like the Detroit Truetrac for 9" Ford rears and many use the Truetrac or typical clutch style Eaton Posi with Ford 8. Eaton TT are just lsd units. It is neither inferred nor implied that any item sold by CARiD. Not just yet got a few things to finish up. So I go and look at Lucas and it has what they call a "climbing additive". 5 Sterling rear axle new gear whine - Been having loads of fun with my Excursion. I have a Tru-Trac in the rear of my truck. When does the Truetrac lock up? The Truetrac is a helical gear limited slip differential and never "locks up". (ARB / Eaton / Ox / Yukon). The best online source for Performance Truck discussion. My detroit Tru trac makes all kinds of noise ever since day one, had the gears checked out today in fact in hopes of quieting this bitch down. RamchargerCentral. 90s and a truetrac. Then you need to upgrade to a Eaton 8. Eaton makes them. Spider Gear Assembly How To - Remove and reinstall internal differential spider gears - For parts like these and others visit us at www. My target id to dig into 10s next summer. reduce the bias ratio (limited-slip aggressiveness) of Truetrac differentials. No clutches to wear out and a lot nicer on the street then a Detroit Locker which Eaton also makes. The tell-tale sign, by the way, seems to be clunking. So here is what happened. Started with a symptom where I could here a mild thunk when turned left. Street: Eaton (clutch) is hard to beat Race/Crawl: Detriot (locker) is it for me. Creager told us, "the Truetrac differential is the first in the marketplace to my knowledge that had parallel access pinion gears. This is a night time video of The Grinding noise heard coming from an Eaton True Trac. Home of the Eaton Posi, Detroit Locker and Detroit Truetrac. The Truetrac units do not require a break in. The truetrac is going to be almost transparent in its transfer of torque so no clunk that some speak about when it engages. 2" 10-Bolt Rearend Posi Unit - 28 Spline: Differential Assembly Kits - Amazon. We tailor to all years of Cummins diesels and Mopar related Trucks, Jeeps and SUVs, and with the vast tech and help knowledge of our great members, you can get help or info on practically any make or model vehicle!. Lockers and Spools for Chevy and GM: The Ultimate Guide Locker and spool systems are ideally suited for racing and special applications, and in most cases, they can be unnecessary or dangerous for the street. The 4Reak Show: 1995 4Runner, 3. Torque Sensitive Mechanical Unit • Automatic locking differential • Clutchless & maintenance free • Strong & aggressive unit • Operates in forward & reverse. NCSP, Silver Metallic, 312k. Buy Detroit Locker 913A481 Trutrac Differential with 30 Spline for GM 8. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. The Torsen is the ultimate performance differential. The unit unlocks in a turn for the wheel that is turning the fastest. Re: Powertrax pros and cons Ah an area of my expertise! I am the High Performance Aftermarket Sales Manager for Eaton Performance Products. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Adair, fellow mechanic Daniel Parker, and drivetrain repair expert Jack Robertson removed the old locker and replaced it with the new Eaton Detroit Truetrac in about four hours, at Truck Supply and Outfitters in Tuscaloosa, Ala. I will be getting another TrueTrac to replace the Posi. the diff I have right now is the standard 3. his 60fts off the transbrake I think are 1. One of the best Auto Parts & Supplies, Automotive business at 2429 Mercantile Dr a, Rancho Cordova CA, 95742. I notice it mostly when reversing directions and letting out the clutch and sometimes when letting out the clutch when accelerating from a stop. The ECT PWR options button only seems to assist with holding gears so it is more responsive while moving but nothing for initial take off through the first few gears. i think these run about $600 and i think new spiders with the clutch packs are 400ish i have to call tomorrow but is anyone. 6", 10 Bolt Rear End: Splined Drives - Amazon. Are the G80 units made by Eaton? I installed an Eaton Detroit TrueTrac in my '02 Silverado and it worked GREAT! I LOVED that diff! No more 1 wheel spin on rainy days or especially pulling out of a parking lot onto a busy road when concrete wasn't completely dry or clean. The Truetrac uses helical type 'worm' gears. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction. Our dealers have also mentioned how the industry has changed in the last 20 years. Increases traction significantly, smooth on the street, reasonably priced, but never 100% locked. 8 3/4 '489 Sure-grip change/ratio change? I switched my 741 case to a Mosier 489 case with 3. Differential and Gear Basics We have a gear, RPM, and tire size calculator HERE. Id quite like one of their MLockers but either they arent available yet or they are only supplying them for OEM applications because I cant find any other info other than what is on the Eaton website and a YouTube video I found from India explaining how. 36 customer reviews of West Coast Differentials. All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. **Pricing does not include shipping. Ask the man to verify it is a Ford traction lock unit. Vibration at 55mph+ everything has been tried. The Detroit TrueTrac proven helical cut gear design eliminates the need for wearable items such as clutches and friction cones resulting in maintenance free high performance traction differential.