ive decided to put a 4 speed in my WB ute. the ute is running a 253 HX engine. what type would be best suited to this conversion. after something reliable at a reasonable costs. the motor is standard and i'm NOT going to be doing burnout's or anything like that.

i know i'll need pedals, cables, bellhousing etc. whats a decent garden variety Box thats easy to get hold of all the components. also would i need to chase up another cross member and tail shaft or would the ones from my auto bolt straight up, cheers craig

If it's a trimatic the tailshaft, crossmember, speedo cable and the hole in the floor will be the same as an aussie 4 speed. Just the driven gear on the end of the speedo cable will probably be different. The WB will already have the connectors under the

Edited by user Friday, 27 July 2007 10:19:09 PM(UTC)  | Reason: Not specified

thank you for your reply byron rich it was very informative. it does have a trimatic.

whats wrong with m21 and how can i tell the difference between the 3 gearboxes, are they stamped?

im not sure of my final drive gear ratio but i do know it is very

Edited by user Friday, 27 July 2007 11:24:40 PM(UTC)  | Reason: Not specified

thanks for the advice. i spoke to the bloke at the wreckers today and he said he could do me a full conversion kit for $550. he just sold an M20 but will try get another for one for me. i'll jump under the ute tommorow and see what my final drive gearing

It'll be 3.55 or 4.44.
Even if you buy an M21 it can be converted to M20 or M22. Most secondhand aussie 4-speeds are buggered. Trouble is you don't know it until they break. I'd rebuild it before you put it in, and in that case it doesn't really matter w

the ute will very rarely go out on the open road at the moment, with the gearing i have i think i'll probably get away with any box. but i do like the idea of the m22 for future ratio changes and more flexability for different driving conditions.

thank

Edited by user Saturday, 28 July 2007 4:09:07 PM(UTC)  | Reason: Not specified

i checked my final drive. its 3.55
ill go for the m20 if i can get one, if worse comes to worse ill get the m21. further down the track when ive got enough money ill change both the diff to higher ratio and m22 box ratios for the best of both worlds, che

Coley

Let me know if you cant find one as I think I know where a 2nd hand V8 M20 is.

Byron

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