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How Much Can A Stock Rb25det Handle?


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Hey guys, im looking at spending a little bit of money on getting more out of my 95 r33, i currently am running a fmic, stock turbo 14psi, aftermarket alloy radiator, oil cooler, BOV. im unaware of anything else. at my last tune it made 1197.3rwkw. I am looking at somewhere around 240-260 rwkw. Will the stock internal cope with that stress?

Thanks Andrew.

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Mine had 250 for 6 mths(1 x trackday at Murulan), now on retune with a super-duper LINK 4D map has 280 on same PSI, RUNS SWEEEEET.

For how long is anyones guess.

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260-270rwkw is generally the acceptable limit for daily power, and long term life of the motor.

Some people have made 300rwkw, however they do not run this power daily on the street for years on end.

Thats just my thoughts on it over the years. And as with all things, totally depends on the tune and state of the motor before you start as to how long it's life could be

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Imagine all the knowledgeable people on here that have put the information out for people to read "not wanting to bother" with the same question being asked over and over and over. Lets see, people with the info's time (who have already invested time putting info out there) vs. your time (newb not willing to search). I wonder which one is more important. Nismoid is being exceptionally kind by giving you those numbers and not just locking this thread.

Read the thread.

Actually, nevermind, I'll give you an answer. 734hp. That's what they can take. 734hp exactly. Take my word for it and don't search.

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Not what i was after.. Thanks

Well sorry champ, that's how we roll around here.

Self help never did anyone any harm.

People have taken the time to post the info for users to look at - Do them the justice by reading and not being lazy.

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