Quote:
Originally Posted by natedog7700
I believe it! I raced quite a few GTR's back in the day with my 335, the GTR's are quick when the owner has money but if hes just another guy affording that monthly payment you can bet its on stock twins. The twins max around 600, clutches start to slip past 600tq, engine throws rods past 600... That barrier is literally in the 10's of thousands as compared to a couple grand getting it to 600. Like you said, you can probably hit 650 on stock everything but what's the point, you're flirting with a big repair bill or going all out and that means you probably have mega bucks to spend and already on your way to an 800+awhp monster.
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The stock twins cant hold more than 13psi to redline, unless its a nismo model. Swapping to nismo or similar turbos allow you to hold 20+ psi to redline 7500rpm, all the while respecting the 600-625 torque limit. On E85, thats 800whp, 700whp on 91. Tsm offers a warranty on this stock engine turbo upgrade, as well as another big player. I know they are pretty reliable at that level... and trap 140-150mph depending how hard u push...