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Help with HP numbers for injector sizing

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Old Jun 7, 2022 | 11:58 AM
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Default Help with HP numbers for injector sizing

Hello, I am hoping somebody can help me determine roughly what my HP numbers will be so that I can choose the right injectors for my engine.
It is a 6.0L Aluminum block with stock LS3 heads (823)
I have a custom grind cam from PatG (231/242 @.629/.615 w/ 112LSA +4)
I have .660 springs and a FAST Intake manifold w/102mmTB

Thank you for the help
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Old Jun 7, 2022 | 02:31 PM
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Originally Posted by Will Speed
Hello, I am hoping somebody can help me determine roughly what my HP numbers will be so that I can choose the right injectors for my engine.
It is a 6.0L Aluminum block with stock LS3 heads (823)
I have a custom grind cam from PatG (231/242 @.629/.615 w/ 112LSA +4)
I have .660 springs and a FAST Intake manifold w/102mmTB

Thank you for the help
550 to 650 @ the crank.
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Old Jun 7, 2022 | 03:48 PM
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I would run an Oem LS3 42lb injector with that build. You can pick them up pretty reasonably priced used with very low miles. I’ve bought a few sets of these over on Corvette Forum, for 6 liter builds.
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Old Jun 7, 2022 | 10:50 PM
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Thank you for the help and recommendations
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