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what size injectors 42's or 60's

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Old 03-12-2012, 07:38 PM
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Default what size injectors 42's or 60's

408 ci
cnc l92's
solid roller
13:1 cr
gmpp single plane intake with elbow
Old 03-14-2012, 08:25 PM
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what power do you think/plan it will make naturally aspirated?

i would think 42# rated at 43.5psi (equivalent of 48.5# @ 58psi rail pressure)

i wouldn't think you would need 60s...that 408 is likely to make 550~600rwhp you think? I Would say 50# injectors would be fine.
what fuel pump you going to use?

255lph pump maxes out at 51lb/hr; I suggest a 300lph or larger for a single pump setup




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