T O P I C R E V I E W
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kuku93
Member # 14014
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posted
Hi i have a 347 stroker naturally aspirated running 42lb injectors asking what fuel pump lph i need? Can anyone help
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Blow_U_In_Reverse
Member # 12298
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posted
255lph should be fine.
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Martinna
Member # 12493
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posted
A V8 with 42lbs injectors running at 90% duty cycle needs 190 lph or 50gal/hr. This can get you 600HP NA or 500HP boosted. To make 500HP naturally aspirated, you only need to run the injectors at 75% duty cycle. For a V8, that's 160lph. Looks like you want a 190lph pump. Buy the summit house brand pumps. They're Walbros, just like BBK and other brands that charge you more for the logo.
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kuku93
Member # 14014
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posted
quote: Originally posted by Martinna: A V8 with 42lbs injectors running at 90% duty cycle needs 190 lph or 50gal/hr. This can get you 600HP NA or 500HP boosted. To make 500HP naturally aspirated, you only need to run the injectors at 75% duty cycle. For a V8, that's 160lph. Looks like you want a 190lph pump. Buy the summit house brand pumps. They're Walbros, just like BBK and other brands that charge you more for the logo.
Hmmm interesting. Thanks I'll look it up
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