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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What size injectors?

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Old 03-15-2009, 07:47 PM
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Default What size injectors?
I have a 1997 T/A with a forged 355, 9.0:1 compression, P1SC procharger putting 14 psi, electronic ignition, boost cam, lighter springs/valves, headers, exhaust, walbro 255 and inline fuel pump, and other mods.

Currently I have 42lb green top injectors . . . . will these be large enough injectors?

thanks
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Old 03-15-2009, 07:56 PM
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Indeed
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Old 03-16-2009, 09:14 AM
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anyone??
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Old 03-16-2009, 10:28 AM
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Originally Posted by leachbuz
anyone??
How much power are you making. 42# injectors can support ~537 hp. If that is not sufficient enough, pick up some Siemens 60# injectors. 60# injectors can support ~768 hp.
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Old 03-16-2009, 10:43 AM
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I say you will be good with 42lbs.
i'm around 400hp with 36lb and they are running around 60-80 %
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Old 03-16-2009, 01:18 PM
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sorry about that . . . . 550bwhp
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Old 03-16-2009, 06:00 PM
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well, if you really want to, you could go to a tuner and ask him how much percentile your injectors are running at. and go from there
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Old 03-16-2009, 06:12 PM
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I would just get mototron 60lb units. They tune really nice from what Ive been told. Plus youll have the headroom if you ever decide to swap to the D1sc!
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