4.88 How To.

I

ivey

New member
Have a great machine shop close by but cannot find any tech on what and how to set up a 4.88 in a 2nd gen , what length etc. This is one area of the car that I'm in left field still chasing the ball.
 
I'm not sure actuall dimensions are listed anywhere but the easiest way to do it is the get a standard 4.10 pinion and take measurements off it.

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Paul D'Angelo
73 ITS CENDIV
Indy Region
www.iridiumracing.com
 
I believe you want it exactly the same length as the original pinion you are mating it to. You are going to "graft" it correct? Meaning take the 4.88 pinion shaft from the first gen and take your stock pinion shaft and mate them together. I am trying to build a 4.88 LSD right now for my car, but I just paid iscracing.net $295 to do the machine work. He has complete diffs ready to go. I am thinking maybe I should have just bought one of those instead.
 
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