Corvette used a 4+3 (Doug Nash) transmission in the 84-85 Vette. If
you're using a 350 engine it would maybe bolt right up. The overdrive
(+3) works in 2nd, 3rd and 4th gears. I like it in my Corvette.
John
1970 GMC
1984 Corvette
Minnesota
CLLLSLS@aol.com wrote:
>
> Hi everyone,
>
> I intend to keep the granny 4 speed and 4.56 gears in my '48 GMC. I want to
> put some sort of overdrive between the trans and rear. What's available? It's
> gotta handle 400 horses. Thanks,
>
> Dustin
> 50 & 53 GMC 1/2 tons
> 48 GMC 3/4 ton
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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