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Re: [GMCnet] Carb fuel pump preasure. Isn't it 6 PSI. [message #331216 is a reply to message #331201]

Sun, 22 April 2018 08:03

powwerjon

Messages: 849
Registered: March 2013

Karma:

Senior Member

Bob,
When I built my first full electric fuel system eliminating the Mechanical
pump I used a E8090

<
https://www.amazon.com/Universal-Electric-Installation-Inline-Carbureted/dp/B01MSC2EY8/ref=sr_1_4?ie=UTF8&qid=1524399757&sr=8-4&keywords=e 8090+fuel+pump
>
or
http://tinyurl.com/ycemubax

I used that pump numbered pump for over 11 years without any problems. It
is a 5 to 8 psig pump.

The P4070 pump is a very good pump that I have also used with success too.
It is also rated for a 4 - 8 psig outlet pressure.

<
https://www.amazon.com/Carter-P4070-Line-Electric-Fuel/dp/B000CIQ5DG/ref=sr_1_3?s=automotive&ie=UTF8&qid=1524400102&sr=1-3&keywords=ca rter+p4070+in-line+electric+fuel+pump
>
or
http://tinyurl.com/yavjlb7w

Use a 15 amp fuse to power the pump. Be sure to use a low oil pressure
switch to cut off the pump in event of engine shut off. I have also
attached the design of the fuel control system that I designed when I built
my first electric fuel pump setup.

http://www.gmcmhphotos.com/photos/general-pictures/p64776-electric-fuel-pump-control.html

It also includes a primer circuit. As for the pressure switch us can use
any of the following.

https://www.summitracing.com/parts/crt-a68301/overview/
https://www.summitracing.com/parts/hly-12-810/overview/
https://www.summitracing.com/parts/sum-g1438/overview/

If you have any question please type

J.R. Wright
GMC Great Laker
GMC Eastern States
GMCMHI
TZE Zone Restorations
78 Buskirk Custom 30' Stretch
75 Avion (Under going Frame up Restoration)

On Sat, Apr 21, 2018 at 10:18 PM, Bob Dunahugh wrote:

> Someone asked me what's a good fuel pump for our GMC's. I like the Carter
> 4070. But I can't find the GM recommended PSI. Bob Dunahugh
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[Message index]

		[GMCnet] Carb fuel pump preasure. Isn't it 6 PSI. By: BobDunahugh on Sat, 21 April 2018 21:18
		Re: [GMCnet] Carb fuel pump preasure. Isn't it 6 PSI. By: powwerjon on Sun, 22 April 2018 08:03
		Re: [GMCnet] Carb fuel pump preasure. Isn't it 6 PSI. By: SeanKidd on Mon, 23 April 2018 20:00
		Re: [GMCnet] Carb fuel pump preasure. Isn't it 6 PSI. By: GatsbysCruise on Mon, 11 June 2018 15:41

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