[Gmecm] In-line fuel pumps with TBI

[David Allen]

  My favorite thread sealant for metal lines is Loctite.  Especially on fuel and any fluid where contamination or clogging is a factor is.  It's applied as a liquid and it is reactive to metal and being in a thin layer.  The Loctite trapped in the threads will turn rock-hard, but the excess not liquid not trapped in the threads will harmlessly flush away.
  The product Loctite 569 Thread Sealant is for threaded hydraulic fittings and will seal and lock the threads.  It can be removed with great effort using hand tools.  The product Loctite 640 Sleeve Retainer and/ or Caterpillar 4C-4032 Bearing Mount Loctite are similar to 569, but take longer to cure, and they will permanently lock the threads. Good when you have a threaded adapter that you don't want to unscrew when you remove the line from it.
  These products are standard on many OEM asseblies in industry and are well-proven.
  Hope this helps!
David  


----- Original Message ----- 
From: "Charles McDowell" <charles at taildragger.info>
To: <gmecm at diy-efi.org>
Sent: Thursday, November 23, 2006 9:34 PM
Subject: RE: [Gmecm] In-line fuel pumps with TBI


>I installed my Carter P5001 in-line pump today.  The engine fired right up
> after that.
> 
> Maybe someone who has used this pump can help me with a detail though.  The
> pump didn't come with any adapters or anything to allow the output to go to
> rubber hose instead of steel line.  I got a 3/8" nipple adapter at Autozone,
> but it's leaking just a little.  How have others done this?  Should I have
> used thread tape (I didn't)?
> 
> Thanks. 
> 
> -----Original Message-----
> From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
> Of Frank McCracken
> Sent: Sunday, November 19, 2006 4:17 PM
> To: gmecm at diy-efi.org
> Subject: Re: [Gmecm] In-line fuel pumps with TBI
> 
> I have used this same pump for my TBI conversion on my sb400 chev for 2
> years, summers only. I understand it is capable of 90psi Mine is now a
> gravity feed. Before I had to 'suck' prime it. Fun. It must be closer to the
> tank as it is a 'push' not suck type pump.
> 
> 
> --- Original Message -----
> From: "Charles McDowell" <charles at taildragger.info>
> To: <gmecm at diy-efi.org>
> Sent: Sunday, November 19, 2006 1:50 PM
> Subject: [Gmecm] In-line fuel pumps with TBI
> 
> 
>> I'm running a TBI conversion on a Chevy 350.  I just replaced the tank and
>> sending unit, and now I can't get the engine to start.  The situation is
>> that for the conversion I used an in-line electric fuel pump, placed low
> on
>> the frame halfway between the truck and engine.  I never had a problem
>> before, but right now it seems like the pump won't prime.  I don't really
>> understand, since I've got it to where it self siphons from the tank at
> the
>> point where it enters the pump (actually at the fuel filter right in front
>> of the pump)- I used a shop-vac to prime the lines.  I opened the return
>> line though, and no fuel is coming out during the key-on prime or during
>> cranking.
>>
>> The pump is a Master E2000, which I believe is the boost pump in a Ford
>> truck application, where it would also have a lower pressure in-tank pump.
>>
>> Any ideas why this thing doesn't seem to pump gas anymore?  Suggestions
> for
>> a self priming in-line pump? I believe there is a Carter pump available
> from
>> Summit that is self priming, but it's kinda steep at $140.  Anything self
>> priming from Autozone?
>>
>> Thanks for any help.
>>
>>
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> 
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