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by **evil_si** » Sun Sep 27, 2009 10:25 pm

so what size injectors are being used on 4agte setups out there,

am i right thinking standard 4agze injectors are 370cc?

what do most people consider a good up grade,
450cc, 550cc?

by **thegreatestben** » Sun Sep 27, 2009 10:28 pm

550cc from an RX7 in mine.
Probably more than enough for 200ish kw

by **l1ttle_d3vil** » Sun Sep 27, 2009 10:28 pm

im using rx7 550cc injectors, making 168kw atw on around 40 - 50% duty cycle from memory. they bolt straight up to the standard 4agze rail and plugs, just need to file the locator lugs off the side of the injectors but they still work mint.

by **evil_si** » Sun Sep 27, 2009 10:30 pm

i should also add the engine is a
16v bigport 4agze, cams, link ecu, quad throttles, and at this stage a t04e

by **tsoob** » Mon Sep 28, 2009 12:20 am

i have the 510's from an early evo. good for way more than iv'e made

by **Stu-** » Mon Sep 28, 2009 7:12 am

Pretty similar setup to yours evil_si except for the quads and using 550's. Work well.

by **THA SHZ** » Mon Sep 28, 2009 10:17 am

supra injectors numb nuts , goes striaght in , 440,s i think :lol:

Thats what im using si , got 1 spare if you need :lol:

by **bluemaumau** » Mon Sep 28, 2009 2:24 pm

yea pretty sure gzes are 375

im running 800's - cars not going yet tho.

also got them around a year ago, when the dollar was good which factored in my decision. i think 550's are ok with a clean and a raised Fuel Pressure

OMG so shiny! · by **Dell'Orto** » Mon Sep 28, 2009 5:20 pm

My old one/flygt4's one had Gen 3 550's in it, they were happy at 218kw/20psi

by **willy_monkey** » Mon Sep 28, 2009 5:43 pm

Ze's are 365.

by **jakesae101** » Mon Sep 28, 2009 6:23 pm

how much boost are the factory 365s good for?

by **d1 mule** » Mon Sep 28, 2009 7:32 pm

was told by walter at NZEFI to run no bigger than 450cc on a g1 link as they dont control injectors that well, hence iv got 450cc VR4 jobs which with the right setup are good for 300RWKW+ plus according to Walter, ill post a dyno sheet up as the car is getting tuned on wed

by **XSVWGN** » Mon Sep 28, 2009 9:12 pm

jakesae101 wrote:how much boost are the factory 365s good for?

i was running 18psi in my wagon with no problems at all

by **IH8TEC** » Mon Sep 28, 2009 9:40 pm

XSVWGN wrote:
jakesae101 wrote:how much boost are the factory 365s good for?

i was running 18psi in my wagon with no problems at all

damn thats alot, i couldn't run anymore than 12 before it was leaning out too much for my liking.

I have rx7 550's, they all flow tested a crap load more when tested at petroject with the rail pressures i run. 77psi max on 25psi boost.

mine are on about 88% ish at the moment on similar setup just without quads

by **mjrstar** » Mon Sep 28, 2009 9:47 pm

d1 mule wrote:was told by walter at NZEFI to run no bigger than 450cc on a g1 link as they dont control injectors that well, hence iv got 450cc VR4 jobs which with the right setup are good for 300RWKW+ plus according to Walter, ill post a dyno sheet up as the car is getting tuned on wed

I'd like to see 300kw on 450's.. It could be possible if you had 8 of them I spose... or a wet nos system, that might just about do it.

by **ryanfels** » Mon Sep 28, 2009 11:43 pm

My mate has some 510cc Evo 3 injectors for sale if anyone is interested

by **levinguy** » Mon Sep 28, 2009 11:46 pm

might have some gen 2 3sgte injectors up for sale if you want to make me a fuel rail? :wink:

pretty sure i've got a spare head sorted to make up a rail.

by **IH8TEC** » Tue Sep 29, 2009 7:27 pm

mjrstar wrote:
d1 mule wrote:was told by walter at NZEFI to run no bigger than 450cc on a g1 link as they dont control injectors that well, hence iv got 450cc VR4 jobs which with the right setup are good for 300RWKW+ plus according to Walter, ill post a dyno sheet up as the car is getting tuned on wed

I'd like to see 300kw on 450's.. It could be possible if you had 8 of them I spose... or a wet nos system, that might just about do it.

i would tend to agree, i think willie pushed about the max out of the 550's he had with just over 300kw atw.

by **d1 mule** » Tue Sep 29, 2009 10:02 pm

he may have said 300rwhp???

on a side note they were tuning my car today got to 191rwhp (90% tuned 10.1psi) before phil noticed a slight knock above 6000rpm so had to stop, big ends + 15 PSI = 250 RWHP

no grip · by **Akane** » Tue Sep 29, 2009 11:48 pm

I always wondered how those S15's get 250rwkw with stock injectors and stock FPR.......

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