Differential for a roller frame

68/70Vette

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For a roller frame and suspension, what is the minimum needed for the differential? For sure you need the differential case and the differential cover. What parts are needed in the differential case to contain the half axles?
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Background: I have a new frame that I'm building up. The front suspension is all there. Also, the engine (less rods, pistons, camshaft, etc) the bellhousing, transmission (Richmond 5 speed). I want to build up now the rear suspension. Have a lot of parts already...trailing arm spindles, Tom's trailing arms, Tom's strut rod assemblies, etc. I need to build up the differential on the new frame. If I remove the differential from my 1970, then I won't be able to move the 1970 frame and body. Basically at this point the original 1970 frame just has the body on it. I want to keep the 1970 frame and body as a roller so I can have it flat bedded to a body shop for body work. So for my 1970, I'd like to have a differential case and cover and enough of the internal differential parts to keep the rear stock axles located so I could roll the original 1970 frame around. When I've read about the differential, I've read about "C Clips" that keep the half axles retained in the differential case. Is this something is all I need? Basically, what's the minimum parts in the differential that you need just to push the frame and body around by hand on the shop floor and keep the axles linked up. ?

Thanks!
 
You don't need the carrier or pinion/ring gears.....it should push around ok with the yokes just inserted into the side bearings.....I never actually done that, but I don't see why it would not work....

:drink:
 
I'm sort of at the point where I think I'll go out and buy a used differential at a surplus yard. I'd like to buy a 3.08:1, or a 3.32:1 (?). Does anyone know the codes to look for. The factory diff's had a tag on them with the code for the gear ratio. I imagine the surplus diff's don't have the tag, but maybe a color code on the ring or pinion gear. Anyone know what I should be looking for? Thanks.

I did get an offer from someone who had one for sale. However, I think I'm going to have to get one locally, where I can dump the pumpkin in the trunk of my daily driver. Shipping for these things is expensive, they weigh about 95 pounds and it looks like shipping is around $110 for these things. The shipping cost makes a local unit more of a reasonable deal.

Thanks
 
Wow, Thanks a lot.

Of course, you kinda ask yourself, why did they change the codes so much from year to year? Oh, well that's just the way GM used to do things.
 

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