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498 Posts
i hope i'm not wrong, but....

I thought JDM intake manifold and exhaust manifold won't work on US cars. Even with JDM Primera swap, you need U.S. spec in/ex manifold to make the emission system to work. Since JDM parts have less restriction (less emission crap), it might feel a little better, but i don't see any advantage doing this. . .
Yeah, emission system sux, but we gotta save our earth... :)
 

· Platinum
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498 Posts
Primera Motor

wickedsr20de said:
I just want to know for all you guys with the JDM 10 to 1 motor ----How much of a difference did you feel compared to your us spec sr20de?
I don't own them, but I've driven couple cars with Primera motor. One was the actual P11 Primera 2.0 in Japan, another one was the Swaped from US SR20. Yes, it did feel more powerful (torquey) than regular U.S. spec SR20. Two classic SE-Rs raced 1/4 and one with JDM motor with stock cams was actually faster (about 0.3 sec) than U.S. spec with JWT S3 cams. they both had aftermarket header and a few bolt on mods.
 
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