Guest Anonymous Posted May 17, 2000 Share Posted May 17, 2000 What kind of fuel pump pressure and gph do I need for a Holly 750 w/vacuum secondaries? What about water pumps, how much gph works best and does anyone recommend electric water pumps? Quote Link to comment Share on other sites More sharing options...
MYRON Posted May 17, 2000 Share Posted May 17, 2000 holley blue with regulator from jegs/summit is 85.00 and around 6-7psi. I am using a weiand aluminum water pump Quote Link to comment Share on other sites More sharing options...
pparaska Posted May 17, 2000 Share Posted May 17, 2000 I think the Holley blue pump that comes with the external regulator is plenty - note that it is noisy, so try to isolate it from the car some. I've heard the Carter pumps were quieter. As far as a water pump, I'm using a Stewart Components piece, as it is supposedly superior to the others since the water flow has been equalized to both sides of the engine - the stock casting is not optimal in this area, supposedly. See the links page for their site. Quote Link to comment Share on other sites More sharing options...
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