I'm installing a 1997 Vortec 350 into a '81 Monte and I wanted to know if anyone has suggestions for what a good electric fuel pump would be and how much PSI to run for the 600 Holley.
Engine is staying totally stock.
The old 267 had the mechanical pump but the 350 doesn't have the option for that.
Thanks for the help, TY
1999 Silverado Z71 RCSB with 2006 LQ4 6.0, Comp Cams 220/220 581/581 115lsa, STS, methanol, Nelson street tune, 160* stat, 2006 E-fans, FLT 4L60. 12.53 @ 107 on 5psi
6-8 lbs is the most a normal carb needle seat can handle. Almost any cheap electric fuel pump will handle the load but you will definitely want a pump that is adjustable or you'll need to add an external regulator.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
i use a holley red series elect pump on mine..i belive they are set at 7 or 8 lbs factory and are non-adjustable. I have a gauge on mine and runs right at 7..its a little noisey but most electric pumps are..any chance you want to get rid of the vortech indcution? intake, tb, injectors etc..?
matt
i had a vortec 350 with a 700 double pumper in my 83. i ran a 95 lt1 cam in it. i used a cheap carter elec pump. i worked fine without a regulator.
83 sb chevy 2wd 350 vortec, performer rpm intake, holley 700dp,stock lt1 roller cam 3500stall and 3.42 gears
13.59@99
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