JDM vs Domestic Rotary

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03-10-2009, 09:35 AM

Datrod2000

Junior Member

Thread Starter

Join Date: May 2008

Posts: 3

Getting ready to swap 13b into my Datsun Roadster. Curious what are, if any, differences between a JDM Rotary motor, and a domestic one.

03-10-2009, 01:08 PM

j9fd3s

Senior Member

Join Date: May 2002

Location: California

Posts: 22,465

basically from 89-now the block is the same, and they have slight differences in the emissions on top of the engine.

the JDM 86-88 engine lacks egr

and we didnt get the cosmo 2 and 3 rotors here at all

05-17-2009, 01:55 PM

discokid

Junior Member

Join Date: Feb 2008

Posts: 2

I have a 87 JDM TII motor. The only difference I had with it was that there was no EGR (like J9 said), the brake booster vacuum from the mani is different