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Definitive Guide To Building 300-330awkw Gt-r

No Crust Racing

By No Crust Racing,
in Engines & Forced Induction

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sneakey pete
sneakey pete

I would presume the result of this thread was: Headstuds, -9's, cam gears, injectors, fuel system, E85 ecu and a tune?

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usmair Mentor

usmair

Posted
Posted

It wont be that easy :thumbsup:

what makes you say that?

as long as you have fuel setup sorted and you have appropriate boost control there shouldnt b too much dramas

ppl say you get 15-20% increase in power from e85

so a 330kw GTR should crack 375kw on e85... theoritically atleast

N1GTR Grand Master

N1GTR

Posted
Posted

What makes Paul say that is no doubt that he makes 400kw, and knows that theory can be a long way from reality.

By all means try your theory, go get some ID2000's, a large fuel pump or two 044's, whatever EBC you like, -9's and see how you go at 24psi. Let us know how you go

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

what makes you say that?

as long as you have fuel setup sorted and you have appropriate boost control there shouldnt b too much dramas

ppl say you get 15-20% increase in power from e85

so a 330kw GTR should crack 375kw on e85... theoritically atleast

Generally it seems to only be around 20-30rwkw though in terms of gains. I think 350-360rwkw would be more realistic.

What would be more interesting though... How much earlier would they come on?

Given everyone seems to gain a few hundred RPM response. Getting -9s on even sooner would really be quite something.

Whilst 200-300rpm might not sound like a lot, if its coming up in/out of throttle faster too... It would be awesome!

usmair Mentor

usmair

Posted
Posted

What makes Paul say that is no doubt that he makes 400kw, and knows that theory can be a long way from reality.

By all means try your theory, go get some ID2000's, a large fuel pump or two 044's, whatever EBC you like, -9's and see how you go at 24psi. Let us know how you go

Yeh I'm gonna.. as soon as caltex get some elfex around my area

Would b interesting with -9s

ID1000s won't b enough?

Piggaz Grand Master

Piggaz

Posted
Posted

Yeh I'm gonna.. as soon as caltex get some elfex around my area

Would b interesting with -9s

ID1000s won't b enough?

I suppose it depends on who tunes it.

Im running ID 2000's (2225cc) and at 400rwkw im using a Duty cycle of about 63% IIRC (AFR's are about 11.6:1 Petrol corrected according to my wideband (Roughly .80 Lambda)). If you calculate that back thats just on 1400 CC worth of injector. Thats on a 2.8 with GT RS's at 1.75 bar. Its a little low as my exhuast was choking it like a whore.

Piggaz Grand Master

Piggaz

Posted
Posted

Whilst 200-300rpm might not sound like a lot, if its coming up in/out of throttle faster too... It would be awesome!

That's what you do notice. That half to full throttle instant response. Well I use 'instant' very loosly with GT RS's. It was alot better with E85! pinch.gif

N1GTR Grand Master

N1GTR

Posted
Posted

Yeh I'm gonna.. as soon as caltex get some elfex around my area

Would b interesting with -9s

ID1000s won't b enough?

What area are you in? Its at a few places now, so if the skyline isn't your daily driver you'll be fine.

You're talking a 2.6L right? Mine maxed 1000's at 403rwkw but its an rb30 - capacity makes a difference.

N1GTR Grand Master

N1GTR

Posted
Posted

That's what you do notice. That half to full throttle instant response. Well I use 'instant' very loosly with GT RS's. It was alot better with E85! pinch.gif

Yeah this is an interesting point.

My throttle response hasn't got any better or worse since before and after the E85 swap. I took the time to make sure it was how I wanted it while it was on pump though.

Edit; I dont mean turbo lag.

MrStabby Grand Master

MrStabby

Posted
Posted

You're talking a 2.6L right? Mine maxed 1000's at 403rwkw but its an rb30 - capacity makes a difference.

I see that stated a lot but can't understand why! Can you explain why would engine capacity makes a difference?

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