lift pump psi

TennesseeCRD · **Joined:** Mon Jan 11, 2010 11:01 am **Posts:** 181

I've seen the recomendations of what type of lift pumps to use. I'm thinking I will go with an inline pump back close to the tank. What psi will be sufficient from the tank location?
Thanks

warp2diesel · **Posted:** Mon May 09, 2011 4:57 pm

My Carter puts out 9 PSI and works well.
A lot of the other pumps put out ~9 PSI and also work well.
The hysteria against pressurizing the inlet of the CP3 with a lift pump around 9 PSI, has died off deader than Osama Bin Laden.

papaindigo · **Posted:** Mon May 09, 2011 5:01 pm

A couple of strings that may be of interest viewtopic.php?f=5&t=26385&hilit=lift+pump and http://liberty.eurekaboy.com/kennedy.htm Consensus seems to be 4-7psi is sufficient much more may be a problem although there is apparently a return flow line for excess fuel.

warp2diesel · **Posted:** Mon May 09, 2011 6:39 pm

papaindigo wrote:

A couple of strings that may be of interest viewtopic.php?f=5&t=26385&hilit=lift+pump and http://liberty.eurekaboy.com/kennedy.htm Consensus seems to be 4-7psi is sufficient much more may be a problem although there is apparently a return flow line for excess fuel.

There is a pressure drop when the fuel goes through the filter.

onthehunt · **Posted:** Tue May 10, 2011 11:29 am

Quote:

The hysteria against pressurizing the inlet of the CP3 with a lift pump around 9 PSI, has died off deader than Osama Bin Laden.

After 6 years I'm still waiting for the "Not having a aux. lift pump caused my injection pump to fail" post. Hysteria runs rampant here on many things...

tulsa · **Posted:** Mon May 16, 2011 10:54 pm

warp2diesel wrote:

My Carter puts out 9 PSI and works well.
A lot of the other pumps put out ~9 PSI and also work well.
The hysteria against pressurizing the inlet of the CP3 with a lift pump around 9 PSI, has died off deader than Osama Bin Laden.

Is OBL still dead? L I B

lift pump psi

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