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Old 08-25-2013, 05:02 PM   #6
BoredEE
Leaky Injector
 
Join Date: Aug 2009
Location: Chicago, IL
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BoredEE is an unknown quantity at this point
Most people use the bellhousing off a RB25 or RB26 transmission to bolt on the back half of the transmission.

Everything will line up clutch wise, the only problem is shifter location.

If you google hard enough you can find the distance in lengths of the shifter positions.

I haven't see anyone run an adapter plate to bolt on a 300zx trans to a rb25.
Sounds like more of a headache and more expensive than just getting a bellhousing.

This company makes Z32 shifter relocation hardware which might get you closer to the correct position.
http://www.xcessivemanufacturing.com/

All Z32, RB25DET, RB26DETT have the same internals: gears/bearings/synchros/forks.
The difference is in the length of the mainshaft, shifter linkage and 4WD splitter.

Interestingly enough the 90's era pathfinder V6 5spd shares the same transmission but with different ratios.


If you plan on making reasonable HP and you want to work on your car.
I recommend the RB20DET/RB25DE transmission. It's smaller and lighter. Much easier to remove and install compared to the other transmission.

If you want to make 350+HP(wild ass guess on the HP limit or break point) I would go with a RB25DET transmission.
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