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Old 07-08-2007, 10:09 AM   #1
TonyJohnson
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Join Date: Mar 2003
Location: Cheboygan, MI
Posts: 998
Electric Pump Question...

hey guys, I've got a Carter electric pump mounted wrongly in the front of the truck, low on the framerail. It was there when I got the truck, and worked, so I haven't messed with it. The fuel pressure is way low at about 3psi and drops on reving. 71' Blazer with Edelbrock 1407 on a '96 vortec head roller 350 (stock otherwise...)

Here's my question... I've got an inline Holley pump that's normally used with the projection tbi setup, so I assume it puts out more than 14psi. If I mount it properly close to the tank and low, would it make sense that the internally regulated Carter would act like a fuel regulator? I've always heard that two electric pumps were better than one and since the Carter is already setup... Anyway I think you get the idea. Should I leave the Carter and run both or should I ditch the Carter and get a Holley fuel regulator?

I suppose I could just install the Holley pump and check the pressure at the gadge.... I guess I'm really wondering about the idea and what effect it might have on the longevity of both/either pump. I also wonder if one of the pumps failed, would the other keep the truck running? I'm guessing the Holley might be too much of a restriction for the Carter to pull through...

Anyway, thanks in advance. I'll probably go ahead and mount the Holley this morning. Do I have to use a relay or can I just use a keyed power?

Just don't want to do anything fuelish...
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Tony Johnson
-- '71 Blazer w/L-31 Vortec 350, SM465, NP205, performer intake, edelbrock 1406, HEI, 4" lift, Boyd EFI tank, Vintage A/C My Blazer --
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