Question about 1984 Chevrolet Camaro

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You rebuild rear ends?

I got an 84 camaro that has 410 gears, trying to go back to stock 373s. How hard is this to do? I do have a bit of experince with auto work, but never done anything with the rear diff other then removing axles to fix axle seals. When I asked a local ase certifed mechanic he was talking about spacers and everything. What is the PROPER proceedure to do this task? Other then the obvious that is. Thank you.

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Sorry, for not getting to you sooner. What the mechanic is saying is correct. Their are many measurements required to do this correctly. The pinion has to have the correct height adjustment so it rides even with the ring gear. This adjustment I get from running a depth mic ftom a homemade straigh edge that I blanchard ground and bolted up to the bearing cap. If you are not close or correct the first time you have to have a hydrolic press to push the bearing off and re-shim. Once you have got this taken care of you have to set you side clearence. This is where you have to take the total distance and start splitting the sides removing.... lets say .020 on one side and adding .020 to the other side. It gets to where you are dealing with .002 at a time towards the finish. You keep working this shim combo until you have a good track on your gears. I am very mechanical and did not learn this until I went to work for a machine shop (learning measurments and tooling) once I had the knowledge there I applied it to a friends race car and here we are in its second season. My suggestion would be to just R&R the rear end if you can find one. Time and tooling will just eat you up if it is just a one time deal. If you still feel you want to try I will do everything I can to walk you through it. Youtube can be a source that I can upload info too. I will be doing my daughter 1977 formula firebird in about a month. She needs 342 gearing and posi trac. I hope this has not come to late..... Check my sons camaro out on youtube it is not painted yet but the mechanical part is good. It has a 350 small block with a 4 speed T-10 and 373 positrac. It is under (1978 camaro driveway burnout).

Posted on Sep 20, 2008


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Have a 1996 camaro SS speed. i have replaced the rear end and filled it with mobil 1 rear end fluid with the limited slip additive and it whines at around 70 mph and also vibrates pretty bad.

There are bearings in the rear diff that make a "whining" noise it can be repaired by replacing the bearings. Here is how its done;

1. Jack up the rear end and support if correctly with jack stands.
2. remove the wheels and expose the axles
3. remove the differential cover and drain the differential
4. rotate the main gear inside and expose the take down bolt. (8mm)
5. remove the take down pin in the spline drive. 8mm nut
6. remove the axles and remove the main gear. then take out the bearings.
7. replace the bearings and reinstall the components in reverse order.
8. refill the differential.

Apr 26, 2011 | 1996 Chevrolet Camaro

1 Answer

I live int e san francsico bayarea and I need my 1996 camaro rear end rebuilted and I need a company that will stand by the work, I have found a company that will rebuilted tmy rear end which is a Chevy...

Sounds like a good deal to me.....Get it in writing....I live on the east coast in the carolinas where everyone has a race car of some kind ....Because of nascar history and You might try Charlotte gear works in Charlotte NC....But since you live there it sounds like a good deal to me....
I am GM cert. and also Level II Chrysler cert.......Charlotte is good place...But if you check on line
Anywhere in the carolinas You Should find a good place but I have used Charlotte.............
Hope this helps....................Metalpoet

Apr 17, 2011 | 1996 Chevrolet Camaro

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My 1996 camaro z-28 need the rear end replaced, so were is the id tag, that gives me the correct rearend , in hte car and should I pull out the complete rear end and have it rebuiled, and then reinstalled...

If you take the VIN # to a GM dealer they should be able to tell you the original rear end that the vehicle came with. If you are going to take the rear end to a shop they will be able to tell when they take it apart. If it is a posi rear end it will have a tag under one af the cover bolts (if it has not been removed) Once inside a posi rear end is immediately identifiable from the clutch pack. Also the number of teeth is stamped on each (pinion and ring) gear. Divide ring gear # by Pinion gear # to get rear end ratio. Didn't get directly to your question, but I hope this helps. Let me know. Thanks

Dec 24, 2010 | 1996 Chevrolet Camaro

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What ring and pinion ratio should I use for my 2006 f150 4x4 with35x12.50x20 it currently has the stock 373s i want it to get okay fuel economy and still be able to tow a 5000 pound trailer as of now it...

I would leave the gear ratio you have in there. If you go to a 4:11:1 ratio you are going to be turning higher rpms which means more air/fuel mixture being burnt. If you go lower say 3:55:1 you will loose your pulling power.

Mar 07, 2010 | 2006 Ford F-150

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How do I replace the ring gear and pinion in my 68 Camaro 12 bolt

You can change the ratio back to 4.10. However, if you do not already have the specialty tools required to do the job, you will likely be better off finding a shop that will change the gears for you. A mistake as simple as incorrect backlash will result in destroyed ring & pinion gears.

Your cheaper options will be :
1. Find a matching rear-end with 4.10 gears and swap it in.
2. Purchase the ring and pinion, master install kit, and find a friend that has installed gears before to help you out.
3. Find a 4x4, Hotrod or auto shop that is will swap the gears for you. If the axle is in the car, it's usually more expensive than if you carried the axle in for them to work on.
4. Purchase R&P, Master install kit, all the required tools. Then hit the books to find the proper procedure and measurements for that axle.

Good Luck.

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