Electric fuel system

[Ricks70Duster340]

Update. I installed the correct pushrod for the fuel pump. It is able to maintain 6 PSI at the carb even with the electric pump in line and turned off. The real test will be this summer. If it goes well this summer I'll remove the electric pump entirely. I think I may also run a return line since that got some positive comments to help with vapor locking. Appreciate everyone's help.

Thanks for the update, as it helps others when going through similar issues.

 

[Muswagon]

You need louder exhaust ;)

 

[440 Mike]

A quick update. I pulled the mechanical fuel pump yesterday and the push rod. I was shocked to find the rod was 2 3/4 inches and not the 3 1/4 inch. Everywhere I check indicates the push rod should be 3 1/4 inch. I've ordered up a new pushrod and will see if I can run on mechanical pump alone. You just can't assume the correct parts. I bought this engine complete and then had it rebuilt and somewhere along the line the pushrod was changed out. The car same with an electric pusher pump already installed so when I had trouble the easiest and quickest solution was to use the electric pump. I' gonna feel a little foolish if this works!

Heads up on the replacement fuel pump push rods: Some are made of soft material. A good OEM used one would be best.

 

[Skeeter007]

What ever came of this? This was a good read up till now. Lol

 

[Carnut68]

A quick update. I pulled the mechanical fuel pump yesterday and the push rod. I was shocked to find the rod was 2 3/4 inches and not the 3 1/4 inch. Everywhere I check indicates the push rod should be 3 1/4 inch. I've ordered up a new pushrod and will see if I can run on mechanical pump alone. You just can't assume the correct parts. I bought this engine complete and then had it rebuilt and somewhere along the line the pushrod was changed out. The car same with an electric pusher pump already installed so when I had trouble the easiest and quickest solution was to use the electric pump. I' gonna feel a little foolish if this works!

I’d be checking to see if the fuel pump rod is still the correct length.

PRH for the win.

 

[68dodge]

Just run an Edlebrock electric pump. Puts out 6-7 PSI with an inline filter. No regulator needed. Been racing with one for years.

 

[QuickDart360]

Just run an Edlebrock eectric pump. Puts out 6-7 PSI with an inline filter. No regulator needed. Been racing with one for years.

Can you share which model Edelbrock pump? Also do you run a return line to tank?

 

[68dodge]

Can you share which model Edelbrock pump? Also do you run a return line to tank?

EDL-1791 with no return line. Best picture I have right now, on the left side. Would run 11.30s with this set up.

 

[QuickDart360]

EDL-1791 with no return line. Best picture I have right now, on the left side. Would run 11.30s with this set up.

View attachment 1716354993

I noticed you have a fuel cell. Do you run a fuel gauge on dash? What size fuel cell and from whom? I may go that route. Having issues with stock fuel sender.

 

[67Dart273]

Update. I installed the correct pushrod for the fuel pump. It is able to maintain 6 PSI at the carb even with the electric pump in line and turned off. The real test will be this summer. If it goes well this summer I'll remove the electric pump entirely. I think I may also run a return line since that got some positive comments to help with vapor locking. Appreciate everyone's help.

I WOULD!! (Run a return) The hemi and 440-6 cars had factory return systems.

 

[68dodge]

I noticed you ha

ve a fuel cell. Do you run a fuel gauge on dash? What size fuel cell and from whom? I may go that route. Having issues with stock fuel sender.

I noticed you have a fuel cell. Do you run a fuel gauge on dash? What size fuel cell and from whom? I may go that route. Having issues with stock fuel sende

Fuel cell from Summitracing, 15 gallon. I do have an in dash fuel gauge.