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

Fuel injector sizing

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Old Apr 2, 2004 | 12:53 PM
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My Red 93Z-28's Avatar
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Question Fuel injector sizing

i'm building a 355 LT4 with hotcam, LT's, y-pipe, CAI, 160* Thermostat, Crane HI-6 ignition, and a 58 mm TB, will SVO 24lb injectors work, or do I need to go bigger?

Last edited by My Red 93Z-28; Apr 2, 2004 at 01:30 PM.
Old Apr 2, 2004 | 12:59 PM
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RE AND CHERYL's Avatar
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Cool

You could get by with the stock injectors as long as you don't plan any head work. If you port the heads though, I would use 30lb injectors.

Looking at the list, that 58mm throttle body is way too big for your setup. A 58mm throttle body will flow about 850CFM, which your setup will never come anywhere near. Even with ported heads a better choice would be 52mm.
Old Apr 2, 2004 | 01:10 PM
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My Red 93Z-28's Avatar
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The stock 22-lb injectors will work with that???
I figured I would at least have to go to 24-lb
Old Apr 2, 2004 | 01:23 PM
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I already bought the TB, but figured I might port heads/intake out later and get a bigger cam, and possibly a stroker, but for now just a 355.
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