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acadian
08-28-2006, 03:19 PM
hi guys,

i would like to know, what is the maximum and safe fuel pressure for a holley or demon carb while still allowing the stock viton needle and seat to do their job ?

thanks

ProdigyCustoms
08-28-2006, 03:38 PM
7 1/2 lbs

LowBuckX
08-28-2006, 08:58 PM
honestly you will only need 4-6 psi as long as your pump can flow alot of volume at 4-6 psi

RobM
09-06-2006, 04:01 PM
think gph not psi.

Tech @ BG
09-07-2006, 05:18 AM
On a standard .110" Viton N&S you'll want to be between 6-1/2 and 7-1/2 PSI. Smaller N&S will hold back a little more pressure, while larger N&S will not like as much pressure.