Transmission / Overdrive: Four speed overdrive question

[cstude1]

Has anyone installed a gear vendors overdrive behind a T 10 four speed in a GT Hawk? Any information or help appreciated.
Thanks,
Chuck

[Swifster]

It would be far cheaper to just install a five speed. The Gear Vendors unit is around $2500...

[karterfred88]

For the cost of the overdrive you would be dollars ahead converting to a five speed, I recommend a Tremec 3550 used. Have the input retainer turned if you have the GM pattern bell, if not, an early Ford pattern to GM pattern adapter, a new pilot bushing and away you go. (sort of) You will need to modify the hole on the floor for the shift tower, but no more finicky shifter alignment or crud hanging up the shifter. The drive shaft will need to be cut either way to shorten it.

[PackardV8]

Back in the day, Tom Beatty made an adapter to put an R11 overdrive from the T85 behind the T10. I still have one Alan built back in '62.

http://forum.studebakerdriversclub.c...10-W-Overdrive

And yes, a 5-speed is a much better, in very way, alternative to the T10/Gear Vendors conversion.

jack vines

[Flat Ernie]

I put a T5 out of a '93 Mustang GT in my '53 Coupe...completely transforms the car.