Quote:
Originally Posted by Mt Tam I am
Is nitrous hard on the engine?
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It can be if its not built, I havent searched to see if the VQ37HR uses the same pistons as the VQ35DE but the vq35 used hyperutectic pistons (lightweight, relatively cheap for production) There sturdy enough for regular use but nitrous is very rough on a engine. I have a friend that has nitrous in his SE-R altima with a hundred shot, he went thru 2 engines before finally building one with forged pistons. The #5 piston would always crack its upper ringlands on the piston. If I recall correctly he had it set for 100-110 shot, wet setup. After he put the third engine in he went to a 125 but made it direct port with throttle linked actuation for the lower gears like what the O.P. is talking about doing.