C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Injector Size

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Old Oct 26, 2003 | 09:22 PM
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bigjack
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Default Injector Size

Can anyone with experience respond to the question " what injector size is optimum"? I've got an '85 with AFR heads, LPE 219 cam and Superram setup ( 350 c.i.) Will bigger injectors offer an improvement?? Thanks, Jack :confused:
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Old Oct 26, 2003 | 09:32 PM
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Default Re: Injector Size (bigjack)

Do a search on this. Ski has an indepth post on this subject.
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Old Oct 26, 2003 | 09:34 PM
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FD2BLK
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Default Re: Injector Size (bigjack)

Found one of his reply's to me a while back that may help answer your question. http://forums.corvetteforum.com/zerothread?id=641748
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Old Oct 26, 2003 | 10:07 PM
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Default Re: Injector Size (84LT1)

22s or 24s are more than you will ever need :cheers:
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Old Oct 26, 2003 | 11:48 PM
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Default Re: Injector Size (bigjack)

I think that running your stock injector size until you find out that they can't handle the HP increase. Adjusting fuel pressure some is a great way to fine tune. As long as you are not leaning out or running out of duty cycle...Life is good.
I talk to people almost every day that put in too large of an injector and having problems. Kind'a reminds me of my early hot rodding days where everyone (including myself) put on too big a carb......Ran like crap, but was good to look at and talk about.

Good luck,

Gordon
WitchHunter Performance
Fuel Injector Cleaning & Flow Testing
www.witchhunter.com
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