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Thread: Do I need bigger injectors?
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02-16-2006, 07:17 AM #1
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White- 2011 Vet 69 Firebird
Do I need bigger injectors?
Here is what I am got on my 03 Z06 currently:
Kooks Long Tube Headers w/ high flow cats and xpipe
Vararam
160 tstat
Here is what I am getting ready to add:
Futral Motorsport F13 Cam 230/232 .595/.585 112+4
Patriot LS6 style 2.02"/1.6"/59cc Heads which will make compression 11:1
Stock block and everything else.
Thanks
RayLast edited by am.mscl; 02-16-2006 at 10:49 AM.
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02-16-2006, 08:18 AM #2
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I doubt it.....actually...flat out no...your fine...injector cycles will be fine...
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02-20-2006, 12:08 AM #3Bombguy99Z28Guest
If you have 28lb injectors, then it depends... my camaro with does around 400rwhp/tq and is at 100% duty cycle @ 6000 rpms w/ 28lb injectors.
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02-23-2006, 06:04 AM #4
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Pewter- all bore 370 Trans Am
i would/ did. i went with the svo 42# injectors. Once you get your IFR's correct, you shouldnt be using that much injector. You will also have a cushion for future mods. If your continuously maxing out your injectors, they are prone to fail or loose some of their integrity.
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02-23-2006, 12:19 PM #5
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White- 2001 Z28 M6
I would go ahead and put some 42s in. You know you are going to do more mods. Room to grow. Once you get the injector pulse worked out it is all gravey. That cam is mild enough that you shouldn't have to worry about a tune right now, but it would benefit you to get the most out of what you are running.
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02-23-2006, 05:05 PM #6
they will be fine. i have 26# injectors on both of my cars.
Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers
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02-25-2006, 01:18 PM #7Bombguy99Z28Guest
What fuel pressure? What afr? What duty cycle? Its entirely possible to support over 400rwhp with 26lb injectors, with a leaner target afr (13.0+) and a very high duty cycle.
I wouldn't make a statement like that to someone who doesn't want to run over 13.0afr and wants to keep duty cycle around 85% (recommended by virtually everyone).
I highly doubt your cars are making 400+ rwhp with stock fuel rail pressure and 85% or less duty cycle.
Originally Posted by mrr23
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02-25-2006, 02:33 PM #8Originally Posted by Bombguy99Z28
00 formula this was before the bassani tru-dual exhaust
99 formula
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02-25-2006, 02:35 PM #9
so, i guess i can say he will be fine with his stock 28# injectors with the mods he has.
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02-26-2006, 06:33 AM #10
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Originally Posted by mrr23
I put down over 500 RWHP and 600 RWTQ on stock injectors/fuel rails/fuel pump w/ Kenne Bell BaP.... untill a rod bolt let loose....FP was rock solid at 62lbs and AF was in the 11's throughout the rpm range....this with a wet shot @100HP....H/C and other goodies of course...
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02-26-2006, 06:45 AM #11Originally Posted by Sarge
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02-26-2006, 06:51 AM #12
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Originally Posted by mrr23This is my signature. It is mine. Nobody else has one like it.
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