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What say ye? Should there be a check valve after each
pump?
I don't believe a
typical EFI pump will need a check valve. There's either one built in, or
the pump mechanism just prevents backflow. This has been true for the
Walbro pumps I've used, which is what Tracy used to sell. I'm not sure if
that's what he still sells though.
You can try to blow
back through your pump, and verify this for yourself to be
sure.
Cheers,
Rusty (lots of rpm, but
no thrust)
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