MYBAD79
Moderator
I worked on this fuel line setup for 5 hrs today and got nowhere.... let's start with the parts I'm using:
Holley fuel pump, 80gph, shiny chrome....
http://store.summitracing.com/partd...840140+4294925239+4294891547+115&autoview=sku
The pump does not have an internal regulator or a return line connection, therefore I bought this regulator:
http://store.summitracing.com/partd...400178+4294925239+4294880914+115&autoview=sku
The regulator is advertized to be adjustable from 4 1/2 - 9psi... I installed a pressure gauge between the regulator and the carb and it shows "0" .... adjusted the regulator (assuming that the setscrew on top is the adjuster), no change.... took the gauge out and blew into it... shows 3 psi.... gauge works.....
After some research in a few catalogs and online I found out that this regulator is a "non return" style.... It appears that the pressure on the two outlets is the same.... great.... does that mean that the pump is pumping 80 gph right back into the return line because on that side of the regulator is less resistance (no filter, no gauge) .... ??
I've had nothing but leaks using stainless tubing with aluminum fittings and adapters, getting ready to order hose ends and use SS braided hose only, no more tubing.... hose and aluminum only....
"Rant on"
The hose ends that I need for this with a few 90's and one 180 degree ellbow are $80... that's more expensive than 25' of SS braided hose ...
"Rant off"
BTW, everything was just fine with the stock pump...... :banghead::banghead::banghead::banghead:
Holley fuel pump, 80gph, shiny chrome....
http://store.summitracing.com/partd...840140+4294925239+4294891547+115&autoview=sku
The pump does not have an internal regulator or a return line connection, therefore I bought this regulator:
http://store.summitracing.com/partd...400178+4294925239+4294880914+115&autoview=sku
The regulator is advertized to be adjustable from 4 1/2 - 9psi... I installed a pressure gauge between the regulator and the carb and it shows "0" .... adjusted the regulator (assuming that the setscrew on top is the adjuster), no change.... took the gauge out and blew into it... shows 3 psi.... gauge works.....
After some research in a few catalogs and online I found out that this regulator is a "non return" style.... It appears that the pressure on the two outlets is the same.... great.... does that mean that the pump is pumping 80 gph right back into the return line because on that side of the regulator is less resistance (no filter, no gauge) .... ??
I've had nothing but leaks using stainless tubing with aluminum fittings and adapters, getting ready to order hose ends and use SS braided hose only, no more tubing.... hose and aluminum only....
"Rant on"
The hose ends that I need for this with a few 90's and one 180 degree ellbow are $80... that's more expensive than 25' of SS braided hose ...
"Rant off"
BTW, everything was just fine with the stock pump...... :banghead::banghead::banghead::banghead: