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Apr 21, 2004 | 07:21 PM

judel

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Down from 5.8

In the process of overhauling a nice 4.9 carb that I want to replace my big 5.8 EFI.
I have to get my gas pressure down from my tanks, is there a gas pressure regulator on the market or do I have to remove my electric fuel pumps from the tanks ?

Thanks Everyone.

F-250 1990 2x4
Man. 5 sp
54,000 mi.

Apr 21, 2004 | 10:08 PM

Samsonitesamsonite

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From: Bellingham, WA

i would just put vented caps on

Apr 21, 2004 | 11:21 PM

desperado_18_2000

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From: S. Mississippi

If you are talking about fuel pressure regulators, then yes, there are some on the market... I think ideal for the Carter 1v carb on a stock six should be around 4-7psi...thats what you need to find. Either a regulator in this range, or a fully adjustable one so that you can tweak it how you like.

Apr 22, 2004 | 01:38 AM

scroob

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Just disconnect the electric from the in-tank pump, and let the 300's mechanical pump pull the gas.

Apr 22, 2004 | 04:45 AM

Ford_Six

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From: The Big, Oregon

Holley makes adjustable fuel pressure regulators. I would recommend using the electric pump, you won't have to worry about vapor lock, and the system is already there.

Apr 23, 2004 | 06:37 AM

judel

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Ventilated caps, pumps disconnected, that's ok. What about the hi-pressure valve in the pump ?

May 11, 2004 | 07:02 PM

judel

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I run my I6 a few hundred miles with pumps disconnected and vented caps. I had gas starvation problem on full power and no tank transfer.
To solve this, I have to reconnect my pumps and find a gas pressure regulator from 35 to 6.
Please, tell me where to look for this regulator ? Holley ???