Vehicle & Technical > Range Rover

RR Classic automatic to manual gearbox conversion, with Chevy engine

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fishlocust:
Hello,

I’ve only just joined so I’m a bit of a novice.

I was wondering whether anyone has any experience of automatic to manual gearbox conversions?

I have a 1989 Vogue, with a full Overfinch conversion, and the engine bored to 6.0. It has been reshelled into a 1994 soft dash shell, but with the original Overfinch engine and 4 speed automatic. The second car was air sprung, but it now has the Overfinch coils.

I’m very keen to work out what I will need, and what the best box, would be for this conversion.

Any help / thoughts would be very much appreciated.

Nick

ben-dent:
personally i would keep the box thats on it, as it has the right gearing and is strongenough to kope with the overfinch engine power,

a manual will get chewed to bits with the big engine

trecfive:

--- Quote from: fishlocust on October 25, 2009, 19:05:15 ---I was wondering whether anyone has any experience of automatic to manual gearbox conversions?
 Overfinch engine and 4 speed automatic.
what the best box, would be for this conversion.
Any help / thoughts would be very much appreciated.
Nick

--- End quote ---

Why try to reinvent the wheel. 6LTR and an autobox.POWER,TORQUE,SMOOTH GEAR CHANGES,job done.

J.D.:
As above, the ZF auto is the only gearbox which will take the extra power. An LT77 or an R380 will do, but will be more vulnerable to breakages and wear from the extra power.

fishlocust:
Thank you very much for all of your advice on this.

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