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for 1996 and newer 29 spline 8 1/4 rebuilds: DIFFERENTIAL BEARING PRELOAD AND GEAR BACKLASH The following must be considered when adjusting bearing preload and gear backlash: The maximum ring gear backlash variation is 0.003 inch (0.076 mm). Mark the gears so the same teeth are meshed during...

I am having a little difficulty locating a "clutch set" for my sure grip rebuild. I was looking at this: Yukon Gear & Axle Differential Clutch Sets YPKC8.25-PC-T/L https://www.summitracing.com/parts/yga-16147/overview/ but a feedback report says that it does not work with the 96' an older 27...

The Powertrax Is A Component Kit, Which Replaces The Gears In A Stock Differential Case With A Locking Differential. An Inner Coupler Replaces The Side Gear And Splines Onto The Axleshaft. The Coupler's Straight Cut Drive Teeth On Its Face Side Match The Teeth On The Driver, Which Is Pinned To...

The Powertrax unit is a no-slip retrofit differential designed to fit within the confines of the stock differential case. Make no mistake about it-the Powertrax is a locking differential which results in uncompromised torque splitting when locked, and then automatically unlocks when going around...

Installing A Powertrax Differential Unit - Mopar Muscle Magazine Installing A Powertrax Differential Unit – Making Trax Written by Steve Dulcich on March 1, 2002 Getting Your 8 1/4 Rear Hooked Up With The Power Trax No-Slip Got horsepower? If you are going to do more than go up in smoke...

back to CONTENTS) Follow the same procedure outlined under conventional differential installation. back to CONTENTS) Multi-Purpose Gear Lubricant, as defined by the American Petroleum Institute GL-5 should be used in all rear axles with conventional differentials; MOPAR Hypoid Lubricant...

Sure Grip Differential The Sure-Grip differential design is basic and simple and consists of a two piece case construction and is completely interchangeable with the conventional differential and also the previous type. A conventional differential allows the driving wheels to rotate at...

Search results JustDifferentials.com had nothing for 8 1/4 I found some 8 1/4 rebuild kits on eBay for $85 as of July 2017 where most other places on the internet listed the same kit for $125-$180+ Diff Wizard has many products, higher price

Rear Axles: Chrysler 8 1/4" Rear Axle Chrysler 8 1/4" Rear Axle Chrysler Corporation's Spicer 8.25" rear was one of two differential types used in M-bodies, with the other being the weaker 7.25" unit. The 8.25" rear axle first appeared around 1969 in Plymouth Belvederes, Satellites and...

If the 8.25" or 8-1/4" axle has a 2.45 gear only 2.45, 2.25 gears and those specific sure grip units work for that particular 8-1/4" axle

From Ace, " GotDart, your definition of the Powertrax is wrong. It locks the axles in straight line, allowing "differentiation" in turns, when the gears overrun: "It works something like this: During typical driving conditions, a Lock-Right–enhanced differential allows your axles to turn at...

From mbaird," the terms posi, suregrip, trac loc, etc. are more like brand names of the same thing. although there are some differences between certain units, ie clutch style vs. cone style etc. mopars call them suregrips, chevy calls them posi's and ford calls them trac loc's ((or limited slip))

From GotDart, " An open differential drives both wheels, but if one of the wheels looses traction then ALL the torque is directed to that one wheel that is spinning. This is what the majority of cars have. These are often refered to as a 'peg leg' rear end. A limited slip differential is one...

tools needed- dial indicator precision calipers or micrometer gear marking paint and a clean brush bearing pullers. bearing press 10 or 12 inch spanner wrench impact gun or breaker bar pinion nut socket,ring gear bolt socket and main cap bolt socket. center punch and oil drain pan and...

- new bearing kit. for the two carrier bearings and two pinion bearings. i didnt get new axle bearings because they were already brand new. it should also come with new ring gear bolts and some lock-tite and new races for your carrier and pinion bearings along with new washers and new pinion...

Chrysler 8.25 rebuild writeup - JeepForum.com - new bearing kit. for the two carrier bearings and two pinion bearings. i didnt get new axle bearings because they were already brand new. it should also come with new ring gear bolts and some lock-tite and new races for your carrier and pinion...

Truth be known, unless you’re building a big-block or a full-race small-block, that lowly 8-1/4 is good enough. There are some guys who prefer a totally built 8-1/4 in drag racing situations because it’s lighter and there’s less reciprocating mass, so more power hits the tires. And because...

Custom 8 1/4 Rear-End Install - Project Build - Mopar Muscle Magazine Installing An 8-1/4 Rearend To A Muscle Mopar Written by Brad Ocock on March 1, 1999 Tom Rounds - photographer; When it comes to making your car perform better, there’s always a set order for performance modifications...

Ring and Pinion Gear Set Up Specs - Torque and Backlash Chrysler Axles - Gear Setup Torque and Backlash Specs: Off-Road Resources

I want to change the ring and pinion on my axle, install a rebuild kit, rebuild the sure grip unit in it, and add disk brakes from a Jeep Cherokee. Can I do this on my own? What tools/calibration equipment do I need? If not, what is a fair price for the axle rebuild? Thank you for your time and...

Is the 8 1/4 sure grip only clutch (not cone?)? -i.e. rebuildable- was looking at other posts and now I am beginning to second guess-

Thank you gentlemen for all of your advice!!! To reduce the cam a slight amount, I plan on using Rhoads Vmax lifters. Well I was hoping the Vmax would help the bottom end of the 274 cam. I was hoping the 1.6 rockers would help all around. I was not clear on that. I do not...

9.0846 divided by 2.66 normal first gear = 3.41526 <-basically on par with a 3.42 chevy rear end.

Dear (seemingly pseudo) bad-tempered, difficult, cantankerous person, My first gear is a 3.09 X 2.94 gears = 9.0846 A regular 833 is 2.66 X 3.55 gears = 9.44 In my heavier Road Runner, I felt that 1st gear was worthless (on the street.) To reduce the cam a slight amount, I plan on...

The axle has not been used for ten years. It was in a vehicle that was beaten on/driven very hard earlier.

I have an axle of unknown quality. It came from a 1976 Plymouth Volare Road Runner E58 car. This car was driven hard and abused. The axle is an 8 1/4 with a Sure Grip Unit. 2.94 gears. It is going into the Dodge Aspen that I am restoring. The trans will be a cast iron 833 Over drive unit and...

? They say it has a different case. Is one better/worse? How would you tell the difference? I am guessing gears from either can go in between? Sure grips interchange-able? What do we want to avoid? I have some of the Data here..any experience? Shims needed? <-Do they weaken the assembly? Do...