Re: How I spent Friday night.


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Posted by Frank from 66.157.147.100 (adsl-157-147-100.gnv.bellsouth.net) on Saturday, March 23, 2002 at 9:51AM :

In Reply to: How I spent Friday night. posted by Sean from 12.247.152.236 (12-247-152-236.client.attbi.com) on Friday, March 22, 2002 at 11:13PM :

If the fuel system were already full and primed, then you would not hear the familiar tic-tic-ric-tic of the fuel pump when you turned the key. If you have been doing a lot of messing with it trying to get it started that might have pressurized the fuel system. There should be a check valve in the system to keep pressure in there - that way if you roll the truck or get in an accident, gas doesn't go leaking all over the place. That is one explanation why you wouldn't hear it. Another reason might be no electricity to the fuel pump. You would need a voltmeter to check that out. If the fuel pump is located inside the gas tank, I don't think you would have to prime it, even if it did run dry. If the problem is that it needs priming, you WOULD hear the tic-tic-tic-tic of the empty fuel pump, and probably hear it louder than before!

I never have figured out why people convert thier mechanical fuel pumps to electric. In my old '68 WM300 (RIP), the previous owner took out the mechanical fuel pump and replaced it with an electric. In the place of the mechanical fuel pump, he made a flat plate cover and bolted it on the block where the mechanical fuel pump went. Unfortunately, the bolts were too long, and one of the bolts was making contact with the #1 lobe on the camshaft, and wore about 1/8" or more from the nose of that lobe. I never knew it until I replaced the camshaft. I wonder how it ever started or ran like that, but it did.



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