Gear questions

Z71Chevy

New Member
Joined
Feb 13, 2007
Location
Clemson SC
I have a 1977 chevrolet 1/2 ton pickup with a 12bolt rear 10bolt front combination with 3.08 gears

- Do i need to change the front and rear carriers to accept 4.88 gears, or just the rear carrier?

Thanks for any help or suggestions
 
12B Rear-Yes 10B Front-No

I just put 4.88's in a 10B that had 3.08's and no carrier change was needed.
 
10b fine 12b rear probably (99.9%)gonna have to change...

There is a rare carrier with spacer combo that would change this answer but it was a 1/2 year only limited issue. Ive bever seen one just read about and heard of a few.
 
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