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Injector Size For 400-450rwkw

VB-

By VB-,
in Engines & Forced Induction

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VB- Veteran

VB-

Posted
  • Author
Posted (edited)
I'd go 1000's, straight up.

i would buddy but theres like a 500bux differnece in price, bitch of a cold start and exhaust idle. =[

Would 1000cc Sards be ok to Run a 26/30 on E85 pushing 400-500kw?

Sorry to hijack

theyd be fine, only reason im asking is maybe they might be to overkill.

Edited by VB-
DCIEVE Mentor

DCIEVE

Posted
Posted
i would buddy but theres like a 500bux differnece in price, bitch of a cold start and exhaust idle. =[

I went with 750's and now looking at having to move them on for something bigger - given hindshight I would have saved money if I'd gone 1000's first time around.

What ecu are you using to be concerned about injector control?

VB- Veteran

VB-

Posted
  • Author
Posted
I went with 750's and now looking at having to move them on for something bigger - given hindshight I would have saved money if I'd gone 1000's first time around.

What ecu are you using to be concerned about injector control?

well ive always planned to use the PFC D jetro.......but some have raised the question about Haltech.....problem is i dont think they have a plug and play unit =[

Al Grand Master

Al

Posted
Posted

I would go 1000cc, low impedance. Trying to make motor with 1000cc, high impedance, injectors idle would be an absolute prick.

The reaction time of a low impedance injector is a lot faster, hence the motor will idle more smoothly, than if you were to use a high impedance injector.

Marko R1 Grand Master

Marko R1

Posted
Posted
I would go 1000cc, low impedance. Trying to make motor with 1000cc, high impedance, injectors idle would be an absolute prick.

The reaction time of a low impedance injector is a lot faster, hence the motor will idle more smoothly, than if you were to use a high impedance injector.

im in the same boat, in the sard range there are 2 options:

1. black top/orange tip, lag time 1m/s

2. light blue top/green tip, lag time .85m/s

is the 1st injector low impedence you are referring to?

unique1 Mentor

unique1

Posted
Posted

i run 1000cc sards and bigger cams than mentioned and idle is no problem at all. cold start idle was never the greatest but i aint running the idle air control valve any more and never really cared as it wasnt a daily driver. I had to keep the revs up a touch for 30 secs and then it idled itself fine, dont think this is the injectors fault though.

T04GTR Grand Master

T04GTR

Posted
Posted

1000's in a 14mm fuel rail. 1600's if you want to run e85. i have 1000's and at 376kw they are on 75-80% cheaper to get 1 set not having to buy smaller ones only to run out of RELIABLE headroom..

1000's idle perfect, just depends on your tune,, oh and ecu

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