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R34 Gtt Fuel Pump On A R32 Rb20det

allthewaytotheskyline
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allthewaytotheskyline Mentor

allthewaytotheskyline

Posted
Posted

hey peepz im keen to know if an r34 gtt fuel pump would be classified as a direct upgrade and if it would easily enough???

also would it be able to flow more fuel??? and could it be directly wired up without having to re-tune my apexi safc....

i want to run atleast 14psi of boost from a r33 turbo on my rb20det with front mount, full exhaust system, safc, pyrometer, electronic boost controller....and i will be adding a adjustable fuel pressure reg and hence the reason asking if it would be of benefit to get a r34 gtt fuel pump....?????

AND THEN RE-TUNE THE SAFC!!!!!

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https://www.sau.com.au/forums/topic/204681-r34-gtt-fuel-pump-on-a-r32-rb20det/
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limpus Mentor

limpus

Posted
Posted

Yes...they are considered an upgrade over the standard 17 year old rb20 pumps for sure...but only if its working well...either way...i've seen them support close to 200ish rwkw on rb25s...more importantly...i'd probably not push your R33 turbo to 14psi...keep it to 12psi to prolong its life...and the GTT pump will cope with it fine too...

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Its an upgrade... but one for the real tight a$$ if you ask me :D

Basically the pump whilst better - is still really unreliable.

So all your doing is placing one limiting pump, with another thats not a lot better

Tuning might be required if the current pump runs out of flow. If not, then it wont as its all controlled by the Fuel Pressure Regulator (FPR)

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