Quote:
Originally Posted by HWYSTR455
Keep telling everyone, just go electric, 1/2" hard lines as much as you can, leave little rubber as possible, AN connectors, bypass regulator, in tank pump.
I went through this years ago and bailed, never looking back. Been very successful results, same with many others.
As more and more cars go efi, it's only going to get worse. And replacements will become 'specialty' items with the prices skyrocketing. It's actually surprising mech pumps are still being made, the only requirements still in place is like 7 years, manufacturers are going to dump the mech pumps soon, there's no money in it.
If you want the OE look, gut a mech pump and just run a line thru it, hide the regulator. If you're not showing the car in a judging circuit, it doesn't matter, you're just being stubborn.
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I have had the same results recently. I thought I made a mistake on the Q jet rebuild since It was leaking fuel and stinky rich at idle. So I bought an Aces TBI setup to replace the Q jet. I put a tanks inc. tank with a Walbro pump, AN lines, fuel pressure regulator and fuel filter on the GTO in preparation for the TBI. I regulated the fuel pressure down to 5 psi to temporarily run the Q jet and now all my carb problems seemed to go away. I had the Carter big can mechanical pump on there and I think between the higher pressure and the pulses it was overpowering the needle and seat.
It runs nice now but I’m probably still going to install the TBI since it’s setting on the bench with the warranty ticking away.