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Re: Ethanol gas

To: mg-t@autox.team.net
Subject: Re: Ethanol gas
From: Charles Hill <chillmog@sbcglobal.net>
Date: Tue, 08 May 2007 23:51:20 -0500
I notice several references to a backup fuel pump in series with the SU 
pump in MGs.  Not a bad idea but a couple of cautions.  First, in the 
MG, make sure the backup pump is also a low pressure pump. SU carbs 
don't like high pressure.
Second, if you have any other cars such as Spridgets or TRs with a 
mechanical pump its not a good idea.  If the diaphragm in the mechanical 
pump ruptures, the backup pump will merrily pump your crankcase full of 
gasoline.  I've seen people try to devise ways to isolate the 2 pumps 
but I've never seen one I thought was practical. 

Charles Hill

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