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Phantom-
I read that you installed a 3.9 diff in your z. I have a 77 with a 5 speed as well and was thinking about doing the same mod.
Q. Were the results worth it..did you notice a gain in accelleration?
Q. How hard was the swap to do?
Thanks...BTW that is one great looking Z..will you be at the motorsport auto show?-TJ
 

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> Phantom-
> I read that you installed a 3.9 diff in your
> z. I have a 77 with a 5 speed as well and
> was thinking about doing the same mod.
> Q. Were the results worth it..did you notice
> a gain in accelleration?
I originally had a 4-spd so mine was an upgrade to a ZX 5-spd. (different 1st & 2nd gear ratios than yours) and a ZX 3.90. It didn't make much of a difference in 1st & 2nd in my car but is noticeably better in 3rd & 4th. You should notice a significant difference through all gears.
Transmission and differential, installed, only cost me $550 so I thought it was well worth while.
> Q. How hard was the swap to do?
> Thanks...BTW that is one great looking
> Z..will you be at the motorsport auto
> show?-TJ
I live in DFW,TX area so won't be making it out to Cal. with Zack. Thanks for the compliment on him.
Phantom
 
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