U.S. Spec to JDM spec...
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U.S. Spec to JDM spec...
I am going to replace the motor in my Z finally, and am looking at low mileage engines, or rebuildable engines. I thought the Japan spec engine didn't have as much power as the us spec, which I would find hard to believe since everything that comes from Japan is way cooler than it is here, so whats the deal? should I spend the money on the JDM engine and trust it to hold up to my turbos (JWT sport500's) or just have my motor built with good pistons, and rings? help here would be great, thanks K.C.
Administrative Brown Guy
Joined: Jun 2003
Posts: 5,406
From: Ontario, Canada
just for technacality's sake, this should be in Z32/tech
but to answer your question, I don't know what all the rage about JDM engines is lately. The JDM engines come with the automatic trans. cam profiles. That and they get smaller turbos than the U.S. spec motors. The JDM motors are rated at 280 but are usually measured at a little beyond that.
It's up to you on how you wanna spend your money. Having the lighter/stronger pistons, rods and rings done to your current motor will probably run you the same as swapping engines will. Unless you do the work yourself, of course. Then the difference will be the end cost of the parts. Replacing the bottom end is like essentially putting in a new motor.
It's up to you on how you wanna spend your money. Having the lighter/stronger pistons, rods and rings done to your current motor will probably run you the same as swapping engines will. Unless you do the work yourself, of course. Then the difference will be the end cost of the parts. Replacing the bottom end is like essentially putting in a new motor.
Guest
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What year Z?
Just curioys what year Z you are replacing the motor in. Also if you are getting a motor from Japan is that new or used. You can have a motor rebuilt here for a lot less than shipping a motor from Japan. And getting your motor done here you have a lot more say in how much power you want.
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