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Rb26 On Race Gas

t51rb26

By t51rb26,
in Engines & Forced Induction

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t51rb26 Contributor

t51rb26

Posted
Posted

ok you guys i need some info i have this on a s14 making 454whp at 16psi on bp pump gas.

Engine

-R32 Skyline GT-R RB26DETT

-McKinney solid Motor mounts

-stock bottom end

-HKS Cams

-Jun cam-gears

-Metal Head gasket

-R/C 750cc Injectors

-Walbro 255 fuel pump

-NGK Iridium Plugs

-R33 Coilpacks

-Koyo Aluminum Radiator

-Dual 12" Electric pusher fans

-Brand new alternator

-Apexi Power FC with Commander

-greddy profect B ll

what i want to know is how much more can i push my RB i want to use (RACE GAS) should i yes or no? i want to take it to the limit. comments pls......

post-39987-1190241762_thumb.jpg

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Well that all depends on what turbos you are using and what spec they are.

So provide more information and people will be able to give you a rough estimate possibly.

As it also depends what fuel you choose, how much more timing etc etc.

And soild mounting the motor... ouch!

t51rb26 Contributor

t51rb26

Posted
  • Author
Posted
Well that all depends on what turbos you are using and what spec they are.

So provide more information and people will be able to give you a rough estimate possibly.

As it also depends what fuel you choose, how much more timing etc etc.

And soild mounting the motor... ouch!

i have hks2530 turbos

Blitz Grand Master

Blitz

Posted
Posted

Generally most believe that around 300-330awkw is a safe limit on an internally standard RB26.

That said, I know of one car producing 450awkw on pump gas and nitrous with a stock bottom end that has done so for 2 years - Thats pure luck.

If you don't want to risk popping the engine, go conservative.

t51rb26 Contributor

t51rb26

Posted
  • Author
Posted
Well that all depends on what turbos you are using and what spec they are.

So provide more information and people will be able to give you a rough estimate possibly.

As it also depends what fuel you choose, how much more timing etc etc.

(And soild mounting the motor... ouch!)

WHY? IS THAT BAD?

GeeTR Grand Master

GeeTR

Posted
Posted
WHY? IS THAT BAD?

SPECCY FUEL MAY HAVE BUMPED THE HP UP, MAKEING IT HARDER TO GUESS HOW ON THE LIMIT YOU ARE!!! SPECCY FUEL WILL ALSO LIMIT THE CHANCE OF DET!!!!!!!!!!

SOLID MOUNTINGS CAN DAMAGE HEARING CAUSING ONE TO SHOUT!!!

On a quieter note, TO4, didn’t (aren’t you still) making much more the 350kw on a stock bottom end as well?

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