sbc 350 carbed motor what to do for fuel pumps ??

my 350 sbc motor is carbed . what are people doing for the fuel system on the 944's running a carbed motor . are you leaving the mechanical gm fuel pumps and also using the porsche pick up pump in the tank . or going with a electric fuel pump and then what about the porsche pump ??

thats what i'm thinking . i have allot of experience with porsche's and there fuel systems . i have no experience with american cars and there fuel systems let alone a carbed motor . i know the carb is a holley 670 cfm on a sbc 350 motor 4 bolt main . i pulled it out of a s10 pick up that the customer abandoned at my shop 5 years ago . so i thought it would be cool to drop it in one of the 7 944's i have . i'm thinking the fuel pressure for a carb would be about 7 to 10 lbs ? the pump in the porsche runs at about 58 lbs and the regulator at the rail drops it to 33 to 39 lbs . the fuel thats not used returns back to the tank . so are people removing the porsche fuel pumps ? and just running a single line to the gm mechanical fuel pump ? or chocking the porsche pump down with a regulator that with what i'm thinking will burn out the porsche pump in no time .

A Holley only needs 6-7 Psi and if you used a return to tank fuel pressure regulator set at that pressure the pump wouldn't have to work as hard as with a regulator set a 38 Psi. [url=Mallory][You must be registered and logged in to see this link.]

yep thats what i'm thinking ?? block off the return line back to the tank and just run the mechanical pump thats on the side of the motor . but i don't know if the pump on the motor will work with it in the porsche ? does it hit the sub frame or maybe the frame rail ? that i will have to see .

O- thats great !!! thanks ! so it just returns the unused fuel back to the tank like what porsche does .