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Re: [GMCnet] In tank fuel pumps, or external pumps. [message #316410 is a reply to message #316390]

Fri, 21 April 2017 15:15

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma:

Senior Member

Chris,

Along with being miscible it's miserable and I wish it was miss-able!

:-D

Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
USA '77 Kingsley - TZE 267V100808

-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Chris
Tyler
Sent: Friday, April 21, 2017 1:10 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] In tank fuel pumps, or external pumps.

I dont know of any practical way to remove ETOH from gasoline since they are
miscable. Water and gasonine are not, so they easily separate and
stratify via surface tension and density.
In esoteric theory, I suppose you could heat it and the ETOH would vaporize
first, but a number of the lighter elements in gassoline would as well.

The main advantages for in tank pumps is they run cooler, are quieter and
protected more from damage at the cost of inaccessibility . particularly
important for fuel injection and High pressure. I cant think of any OEM FI
using external pump, but someone on here may.

That being said, if you are running carbed, I still think the Carter
external as a booster with the mech pump is the way to go

--
76 Glenbrook

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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[Message index]

		[GMCnet] In tank fuel pumps, or external pumps. By: BobDunahugh on Wed, 19 April 2017 22:36
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: USAussie on Wed, 19 April 2017 22:41
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: A Hamilto on Wed, 19 April 2017 23:19
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Ken Burton on Thu, 20 April 2017 00:14
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: A Hamilto on Thu, 20 April 2017 16:49
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Glenn on Thu, 20 April 2017 17:17
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: kerry pinkerton on Thu, 20 April 2017 18:38
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Ken Burton on Thu, 20 April 2017 22:20
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Chris Tyler on Fri, 21 April 2017 13:10
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Emery Stora on Fri, 21 April 2017 13:31
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: USAussie on Fri, 21 April 2017 15:15
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: BobDunahugh on Fri, 21 April 2017 00:24
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: USAussie on Fri, 21 April 2017 05:32
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: kstockwell on Fri, 21 April 2017 06:27
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: lqqkatjon on Fri, 21 April 2017 08:02
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: BobDunahugh on Fri, 21 April 2017 09:42
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: emerystora on Fri, 21 April 2017 10:21
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: emerystora on Fri, 21 April 2017 10:30
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Matt Colie on Fri, 21 April 2017 10:32
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: James Hupy on Fri, 21 April 2017 10:29
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: A Hamilto on Fri, 21 April 2017 13:57
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Larry on Fri, 21 April 2017 08:28
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: James Hupy on Fri, 21 April 2017 09:22
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: jimk on Fri, 21 April 2017 09:35
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: k2gkk on Fri, 21 April 2017 11:00
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: James Hupy on Fri, 21 April 2017 11:04
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: Larry on Fri, 21 April 2017 13:24
		Re: [GMCnet] In tank fuel pumps, or external pumps. By: kerry pinkerton on Fri, 21 April 2017 13:58

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