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Im about to convert my r33 to manual but dont want to fork out for an rb25det g/b and want to use an rb20det box instead because they are about 1k cheaper and still quite strong and the car is unmodified.

Has anyone else done this?

I know it will bolt to the engine ok, but will the cross member line up?

Also, is there a way to change the r32 box's cable speedo drive to electric?

Any help greatly appreciated.

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https://www.sau.com.au/forums/topic/244388-r32-rb20det-gearbox-into-an-r33/
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you'd have to be mad! the second gear is known to be quite weak for starters and I've seen 3 of these boxes wrecked behind a cefiro and 2 different jap R31's, thats not with sustained abuse at all either. They are apparently only about as strong as the MF5 gearbox which is used in the non turbo VL.

It might not help you with the orignal post, but its such a silly idea in the first place, i doubt anyone's been foolish enough to actually try it,

Don't be a tightarse and just get a R33 box.

the 32 boxes are the same as the vl's... bar the gear heads are larger and can take a bit more of a beating in the 32...thats what i'm told anyway...my 32 box has been through some tough times...doesnt crunch, grind or be difficult to get into gears... that said i'de rather a 33/34 box, nicer feel and stronger...

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