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[GMCnet] Correct EFI fuel pump [message #322233]

Wed, 16 August 2017 21:38

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

It appears that the Air Tec E8094 external pump with it's 17 psi max. Will work with my 1988 454 TB. So then I need to install 2 of them. Bob Dunahugh 78 Royale
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Re: [GMCnet] Correct EFI fuel pump [message #322236 is a reply to message #322233]

Thu, 17 August 2017 06:01

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

Bob,
That pump appears to be Ok pressure and volume wise, but doesn't seem to have an internal check valve. So you will also one of these or similar on each pump:
https://www.summitracing.com/int/parts/dfp-fa10016

Others more knowledgeable may know of a suitable pump with a built-in check valve.

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: [GMCnet] Correct EFI fuel pump [message #322239 is a reply to message #322236]

Thu, 17 August 2017 07:15

GMCWiperMan

Messages: 1248
Registered: December 2007

Karma: 1

Senior Member

I think those are gear pump's and won't backfeed. Bud I'd still install
similar check valves from McMaster.com for half the price.

Ken H.

On Aug 17, 2017 07:02, "Bruce Hislop" wrote:

> Bob,
> That pump appears to be Ok pressure and volume wise, but doesn't seem to
> have an internal check valve. So you will also one of these or similar on
> each pump:
> https://www.summitracing.com/int/parts/dfp-fa10016
>
> Others more knowledgeable may know of a suitable pump with a built-in
> check valve.
> --
> Bruce Hislop
> ON Canada
> 77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
> Hubler 1 ton front end
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
> My Staff says I never listen to them, or something like that
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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