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BikerWill

260z/Skyline gearbox question

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Hi guys,

 

I'm looking at a 260z that has been fitted with an L28 and a 5 speed Skyline box (with a custom made tailshaft). The owner did not do the mod so he cant tell which model skyline it came from, just that it is longer than a z box. I have no idea of the diff ratio either, but it was being prepared as a tarmac rally car before the owner lost interest.

 

Anything I should know/worry about this gearbox?

 

Thanks

 

Will

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It's probably an RB20 gearbox. It's a pretty common thing to do to get a stronger box.

You just swap the bell housing from the zed box onto the skyline box. If you have a look in the gearbox sticky it talks about what's involved.

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Rb20 box is same length as stock box.

Does not need custom tailshaft made!

 

It'll either be a rb30 box from a VL commodore, or a Sylvia box, these are 50mm longer, and just require tailshaft shortening.

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