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Instead of buying a $300 pinion depth tool couldn’t I just use a piece of machined flat stock mounted to the saddles with a threaded hole with fine threaded rod and measure the distance to the top of the pinion . then shim accordingly? I could test it on a factory mounted pinion to verify that...

I was in a local salvage yard last week and found a 94 Dakota and a 94 B250 with ODs. 200$ each ! Think I will grab them . Question is why does the van denote it as a 518 and they Dakota a 46RH ?

What parts do I need to rebuild an open diff ? And where do I find them ? Shims ? Bearings ? Spider gears/shafts ? I have googled and searched Rock Auto etc with no results . Seems like I watched a youtube video a few years ago . I have several suregrips but think a tight open carrier will...

Iran across this Dana full floater with 4-10s and a posi at a tire store and they said I could buy it for $50. Customer said to replace it because it was bad.... so they did... it wasnt bad ..lol Should I grab it ? Will the gears and posi work for other Danas? Out of an E350...

I can buy this pumpkin for $150... it appears to be an 8 3/4 with a clutch style sure grip. Guy says it is a 50s rear end ?

Is there a relationship between the shift point of the governor in the tailshaft and the ratio of rear gears you are running ? I have never seen this addressed befor and was curious . I installed a high rpm governor from A&A in my 904 with 3.54s but then switched to 2.76s because I get trapped...

I know the factory recommended procedure but what if you are not sure if it has a shift kit or different bands ? Then is the snug both then loosed till output shaft turns both directions method be best ? Transgo recommends this technic .... It is amazing how many methods and number of turns...

Worn out yolk?I've had a driveline vibration in my Barracuda and am tring to isolate it . How can I tell if the splines in my yoke are worn out? How much Play should there be?

My Barracuda has a harmonic vibration over 60 mph (3000 rpms) that I can feel in my seat . It is rythemic... but slight . I have checked my angles and had driveline shop check them . Same shop built driveline. Axles are Mosers with Green bearings. Springs and shocks are new. No vibration...

After changing the yoke on my 741 case I cannot get the new yoke to slide all the way onto the pinion . It needs another 1/8" or so to snug the pinion in place . What am I missing here ? Its a course spline 7260 yoke and pinion.

I am in the process of shortening an 8.75 housing and after cutting off the perches noticed grooves in the tubes from the original welds. I have noticed this on other housings in the past as well. I measured the inside diameter of the housing at 2.5" and was wondering if there would be any...

Where can I find the studs that hold the brake backing plates and axles on a 8.75 rear end ? Reasonbly priced....I dont want to spend 50$ . 3/8-24. thread

Trying to get my 904 to shift properly . 1-2 will change with kickdown adjustment but 2-3 seems soft and early no matter what I do. advice ?

Since I had my trany out while swapping motors I thought I would have it checked out by a local trany shop. I expected a clean bill of health but instead he called and said it was Toast.... seemed to shift well but I was having issues with kickdown. They said it would run 900 including a...

What do I need to convert my 904 to a PTK ? How can I tell which throttle body I have now ? The trany is from a 68 318 but has been modified over the years . Is there a different servo or is it just a check ball modification. I googled the subject but every thread stops short of details or...

Do I need to weld the entire length of the brace ? Seems like overkill...

I am done with trying to get my factory floor shift linkage to work like I think it should . I picked up a NIB Quicksilver for 200$ so I am going to install it under the factory console. I had one in my old 340 Dart and really liked its precise shifting. I know there are many threads on this...

My 8 3/4 leaks down the back of the housing when I drive it... ALOT ! At first I thought it was the gasket I used ( trying to do it the correct way...) so I pulled the pumpkin and used silicon.... still leaks ! Thing is that its not dripping from the gasket joint... but down the back of the...

I have a newly resized 8 3/4 that still needs to have perches welded on. Besides pinion angle is there a proper way to center the housing relative to the driveshaft vs springs vs frame ? Were they offset or centered from the factory ? I've done a search and find nothing related to this...

I am about to cut and flair my trany lines and I have this nice B&M external trany cooler sitting here. Is this overkill for street driving and maybe a few passes a year ? (12 sec et's...maybe 400 hp...)

I am at the point in my resto to fire up and breakin motor. But my driveline is not back from the shop yet. Can I start the engine with just the TQ filled and a little fluid in trany if I cap off the output shaft ?

Did mopar ever put a torque convertor like the 727 Road Runner in a 904 equipped car ?? I really like the 1800 stall convertors for 727 equipped street cars . But I have a built 904 sitting in my shop and would like to use that for the 68 Barracuda that I am buiilding for my kids . I think the...

does anybody out there know which cars have a trany crossmember that will work in my 68 fastback?