Check valves for fuel pumps?

Kurt A · Post by **Kurt A** » Sun Jul 23, 2006 12:09 am

I am installing dual in-tank EFI pumps for my fuel supply system. These will be running together to a tee with a single hose to the filter forward. Will I need check valves installed between the pumps and the tee where the 2 flows combine? The pumps are out of a 95 Ford F-150. My concern is the stronger of the 2 pumps backfeeding through the weaker pump.
Kurt

davezed · Post by **davezed** » Mon Jul 24, 2006 3:25 pm

Hi Kurt
Aeromotive has some interesting info on fuel supply =>
http://www.aeromotiveinc.com/help.php Thought I saw something directly related to your question but do not seem to be able to find it now..... bugga!

Cheers
DaveZZ

CPOM · Post by **CPOM** » Mon Jul 24, 2006 8:32 pm

Why not run one pump that is rated for the engine's gas consumption?

TV Super Bee · Post by **TV Super Bee** » Mon Jul 24, 2006 11:39 pm

I agree! My BBK pump is all I need to run my 500hp big block. Running two pumps seems a little odd, especially with them not plumbed in series. I don't undrestang the thought behind the "T" with 2 pumps. It also gives you two possible failure spots. EFI only needs 50psi on average and unless you have a full drag car you just don't need two pumps. Remember the K.I.S.S. method? Keep It Simple Son.

Kurt A · Post by **Kurt A** » Mon Jul 24, 2006 11:45 pm

davezed wrote:Hi Kurt
Aeromotive has some interesting info on fuel supply =>
http://www.aeromotiveinc.com/help.php Thought I saw something directly related to your question but do not seem to be able to find it now..... bugga!

Cheers
DaveZZ

Thanks for the link Dave. I did a search for "check valve" and found that they produce check valves for just such an application.
Kurt.

Why not run one pump that is rated for the engine's gas consumption?
[/quote]

The pumps I have are free. My fuel cell already has dual sumps. I could go on and on with reasons and excuses. The escense of hotroding is building with what you have.
Kurt