[Fot] FP Reg

Tony Drews tony at tonydrews.com
Mon May 28 11:22:26 MDT 2012


After much experimentation, Jack and I ended up with the combination 
of a Holley Blue fuel pump with the Holley low pressure regulator.

A common problem with fuel pressure regulators is that there's not 
enough pressure differential between input and output to reliably 
operate the regulator.  The Holley Blue puts out 14 psi, and I have 
it regulated down to a rock solid 2 psi for my webers.

https://www.pegasusautoracing.com/productdetails.asp?RecID=2516
https://www.pegasusautoracing.com/productselection.asp?Product=1135

With low pressure pumps, we repeatedly had a problem where fuel 
delivery would shut down at the end of long straights and we'd end up 
pulling the regulator to make it through the weekend.  Having high 
enough pressure to operate the regulator seems to be key.

Tony

At 12:05 PM 5/28/2012, John Hasty wrote:
>What kind of fuel pressure reg. are you all using?  I am now on the 2nd Holly
>and with it set @ 3lbs in the pits, it moves from 2 to 8 out on the track when
>we tested Friday.  At anything over 3 I get a stutter coming on the gas out of
>the slower turns.
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