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hey there, im considering doin a conversion of a rb20det into a 180sx, ive been told i need a mod plate for these kinds of mods, jus wondering if anyone out there has done this before or can point me in the direction of where and how much a mod plate is?

would like to know this info before going ahead with the conversion.

thanks in advance, Tim.

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Modifacation plates are not hard to get as long as the job is done properly, they are about 120 dollars from memory depending on how many mods you are getting.since its not the original engine or gearbox it has to be approved.Better jump onto nissan silvia forum more info there.

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