I’m using the holley 59.5 psi filter/regulator. Same concept but a beefier package to the oem type pumps.
Lots of horror stories about the factory c5 type regulators getting overpowered by more powerful fuel pumps. I have a 400 lph pump.
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1967 Firebird 462 580hp/590ftlbs
1962 Pontiac Catalina Safari Swapped in Turd of an Olds 455
Owner/Creator Catfish Motorsports
https://www.youtube.com/@CatfishMotorsports
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