If you have added a pusher pump to help out the stock LP, have you also installed a check valve at the pusher? It sure seems you would need to so the stock one can still draw if the pusher is not operating.

 

Totally replaced the Carter LP with a Holley Blue by the tank and plumbed it with the Wildcat Max Flow system. Works great, no check valves, great pressures.

There's a rather large number of threads and info over in the performance section that you may want to read on the subject.

Matt

 

RAFTEN:

Like "gsdog" I have "redone" my 2002 Dodge CTD Fuel
System also. I have a Holley Red Pump mounted under
the truck on the inside of the frame rail, driver side,
just behind the transfer case. I ran -8 stainless steel
braided line with Aeroquip Fittings all the way from the
tank to the VP-44 pump. I also have installed the larger
banjo bolts from Geno's Garage (Part #BF-Kit 5/0,.....
1-800-755-1715). I have kept my stock Dodge lift pump
for "insurance" just in case the Holley would fail.
I see about 23lbs at idle and NEVER get my fuel
pressure below 14lbs with this set-up. So far, the
Holley Pump seems to be working good. Mine has
been on there for almost six (6) months.

We just had a recent discussion on this over in the
Performance and Accessories Section, 3rd Gen. under
the thread title of: Holley Blue Pump Installed which
was started by DTR member "ppsi". It is on page #3.
Go over and read that for more information.

---------
John_P

 

I read the other posts and didn't see any mention of a check valve. I am concerned that if the pusher quit there would be no way for the stocker to pull past a dead pusher. Sure seems like there should be a way to do that in case of pusher failure. I guess a hose to replace the pusher would be enough, but messy to change on the road.

 

RAFTEN:

To ease your mind some, my stock lift pump is able to "pull
fuel" through that Holley Red Pump with no problem. It was
one of the first things I tried when I did the install for the
reasons you listed. Now,.. the fuel pressure is not as high,
but in an emergency it will get you home! What some
of the owners do is to set-up "bypass valves" on either
side of the pump and carry a spare piece of -8 line just
in case. Actually, carrying a spare pump will do the same
thing but is a little more expensive.

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John_P