LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

383 what lbs fuel injectors?

Old Nov 6, 2006 | 11:44 AM
  #1  
kline454's Avatar
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383 what lbs fuel injectors?

Im putting together a 383 with cc306 and ported heads 2.02-1.60, 11-1C.R and all the other mods in my mod list. Im not sure what lbs injectors i should use? I might put a 100-150 wet shot on it, I was thinking about the svo 30lbs or accel 32lbs?
Old Nov 6, 2006 | 11:53 AM
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I am using 30# SVO's in my 383 stock headed LT1. 36 or 42 will give you room to grow but 30# SVO's are just fine with me.
Old Nov 6, 2006 | 12:02 PM
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ok thanks are the accel a good injector?
Old Nov 6, 2006 | 12:24 PM
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Originally Posted by kline454
ok thanks are the accel a good injector?
Alot of bad feedback regarding the Accels, I would stick with the SVOs as mentioned above.
Old Nov 6, 2006 | 01:05 PM
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From: Hell was full so they sent me to NJ
For ballpark sizing, multiply your flywheel HP x 0.07....

example: 500 flywheel HP x 0.07 = 35 #/HR

That assumes a decent tune (0.476 BSFC) and an 85% duty cycle. With 30# injectors, you are limiting yourself to about 450 flywheelHP, even allowing for the 5% extra flow you get out of the SVO's at 43.5psi. I'd opt for a 36# or even a 42# injector.
Old Nov 6, 2006 | 05:15 PM
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ok thanks that what i want to know.
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