motoman Posted May 27, 2010 Share Posted May 27, 2010 (edited) So i'm getting a holley fuel pump for my fuel system and it is rated at 15 psi. Will i even need to run a regulator at that low of a psi? I'm pretty sure that i woun't have to, but i would like an extra word. The engine i'm running is and Rb25det. Stock pressure on it is 35 at ideal and about 46 at WOT Edited May 27, 2010 by motoman Quote Link to comment Share on other sites More sharing options...
shnikees Posted May 27, 2010 Share Posted May 27, 2010 That pump wont put out enough pressure to drive your injectors...in short it wont work. You need an EFI rated fuel pump. Quote Link to comment Share on other sites More sharing options...
roger.svoboda Posted May 27, 2010 Share Posted May 27, 2010 why would you think a pump rated at 15 psi would put out 35 to 40 psi? Quote Link to comment Share on other sites More sharing options...
motoman Posted May 28, 2010 Author Share Posted May 28, 2010 Oh missed typed that. Its rated at 15-45: Quote Link to comment Share on other sites More sharing options...
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