Injector Size
07-19-2010, 07:35 PM
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Car: 1992 RS, 2000 Z28
Engine: LO3 with TPI Swap, LS1
Transmission: 700-R4, 4L60E
Axle/Gears: 3.42 with TruTrac LSD
Injector Size
I'm currently working on a TPI build. This is my first fuel injection build and am wondering if anyone has any suggestions on fuel injector sizing and what works best or has worked best for your own engine that might work well for mine.
Some specs are:
350ci w/ 10:1 compression
zz409 Cam .520/.520 226/226 112 LSA
Dart Pro 1 200 aluminum cylinder heads (200cc runner volume)
TPiS Big Mouth Intake Base
Ported Accel Runners
Ported Plenum
58mm or 52mm TB (not decided on TB size yet)
I'm at the point now where I'm trying to estimate my injector size. I'm hoping for around 400hp and by the math that calls for around a 31.25 lb/hr injector. This seemed a little on the large side to me but again this is my first fuel injected build so I could be way off and that number might be spot on.
Any and all suggestions are greatly appreciated!
Some specs are:
350ci w/ 10:1 compression
zz409 Cam .520/.520 226/226 112 LSA
Dart Pro 1 200 aluminum cylinder heads (200cc runner volume)
TPiS Big Mouth Intake Base
Ported Accel Runners
Ported Plenum
58mm or 52mm TB (not decided on TB size yet)
I'm at the point now where I'm trying to estimate my injector size. I'm hoping for around 400hp and by the math that calls for around a 31.25 lb/hr injector. This seemed a little on the large side to me but again this is my first fuel injected build so I could be way off and that number might be spot on.
Any and all suggestions are greatly appreciated!
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