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hey Munky, if you wanna have a fast car just but a GTT.

if you want to have something differnt and have handling and a bit of "power", get good brakes,susp,rb30 bottom end and all the other things the others where sayin.

but if you dont car if your car is N/A or Forced incudtioned, then why not go the cheaper/better way and go turbo?

have a good think about all the things we have been offering you ( advice ).

Yeh DK I can appreciate your opinion, but the whole point is, I'm not allowed to get a turbo. Insurance would most likely double again, and my parents wouldnt want me in a turbo.

Oh , now i understand, your parents bought you the car so you gotta .. yehp i get you...

well looks like N/A is the go for you till you can get a turbo after your off your P's

Hey Munky - Ive got a 34GT. I used to own a stock S2 R33GTST. Mate obviously the R33 was faster because it was turbo but with all due respect my GT is not that much slower. I dont know if its just the newer NEO engine or just the fact that the GT is lighter, but with a full exhaust, pod, extractors, SAFC and lightweight wheels a R34 GT is quite a quick car.

When my old S2 got stolen, my increase in insurance made it more sensible for me to get a non turbo car, hence the R34GT.

Dont go overboard with the performance side of things because honestly unless u dont care about resale value a turbocharged GT will commandeer less than a GTT.

You're 19 enjoy the line and do a few mods and just learn to love the car.

Im pretty sure i saw your car once when i drove past the dealer u bought it from, looked really nice and clean in white.

well that's around the budget I'm looking at... so here goes

purchase n ship RB25DET from japan, $2000

sell RB20DE - $800 (hypothetically)

TD06 + manifold, wastegate n all the other plumbing bought and shipped from japan - $1800

Hybrid Intercooler - $600 (mates rates)

Exhaust - $800

Power FC $1000

R32 and R33 japanese service manuals - $100

Doing all the work myself - Priceless

Total - $5500

Not too shabby, dunno what power to expect, looking at maybe 230kw

  • 1 month later...
  • 4 weeks later...

can anyone answer this one for me??

if you add a turbo to an engine that was n/a from the factory do you need to lower the compression ratio? if so what is involved in this?

I know 666 dan has said that he is running his with stock compression and i think i read you said about 7psi of boost. is this 7psi the max you could safely get without lowering the compression?

do you need new pistons to lower the compression?

I have a friend who made over 200rwhp out of an rb30na but he stuffed around for years... The headwork was a piece of artwork - I drove the car once - and was more impressed with my ca18det silvia! All I did to it was get a friend to write a chip, 14 psi boost, dump pipe and exhaust. Trust me, I hotted up a red metor once, then dad and I installed a rb20 det after disappointment. I know a rb25 is streets afead of a red moter 202 - but then again a turbo in my opinion is a good step up again.... 200rwkw isn't so impressive after a few weeks - you just get use to it

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