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Old Feb 27, 2013 | 12:40 AM
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Not Me's Avatar
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Default fuel injectors

Hey guy im doin a 6.0 swap with f-body everything in a a-body monte carlo an had vette injectors from a ls1 vette. I was told they were 28lb. Can I use them on a flash only pcm or do I have use stock f-body injector or have something done to the pcm
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Old Feb 27, 2013 | 09:49 AM
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From: CT
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Verify the exact flow rate of the Vette injectors, then verify the rate at which the ECM is programmed for. They cannot be two different values. Otherwise, you'll need to reprogram.
What year is the ECM from?
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Old Feb 27, 2013 | 01:17 PM
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You're probably going to need to buy new injectors... At 4800RPMs my stock 28lb injectors were maxed out.
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Old Feb 27, 2013 | 03:53 PM
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Here is the fuel injector calculator chart. It'll give you an idea of the size injector you will require.
http://www.rceng.com/technical.aspx
Based on 28.8lb injs, 58lbs rail pressure, 8 cyls, .80 duty cycle, you will be allowed approx 425 bhp (flywheel). Taking into consideration driveline loss, you'll have approx. 375rwhp.
As ChADster said, you're on the border of needing larger injectors.
Find out what your engine is rated for and go from there.
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