There has been many threads on the group related to sludge problems,
if ya clean out the carb and pump, but negelect the gas line--you'll
probably have the same problem again years later. I would go ahead
and replace all of the lines as well, my work 56 gave me just absolute
fits going through the same problem. Only after replacing all the lines
did it finally get straightned out.. Just a thought....wayne
> Let me start with a little history. My 51 GMC has a 248 six cylm in
>it. Lately it dies when ever I steppe on the gas or went up a hill.
>When it began to loose it's prime and become hard to start I thought it
>was the fuel pump. Replacd it this weekend (in this 100 degree heat)
>Should have waited for a cooler day but didn't. When I took out the old
>pump it was packed with a light brown sluge that was hard. I put the
>new one in and got it started. Still ran rough. Stopped for the day at
>this point cause my brain was fried. Today I could not get it started.
>I now wonder if this crud is in the carb also. The only marking I can
>find on the carb is "Zenith made in U.S.A."
> What worries me is the pump bolted right up as the old one had but the
>arm or lever wa slightly different that the old one. It was about 1/8"
>shorter than the old one. Would this make a difference?
> After two days of fighting the beast I pushed it back in the garage
>and will look agan on a cooler day. It was that or take a sledge hammer
>to it. And although I would feel bettr now I would regret it later.
> Does any one have some good advise as to where to start from here.
>
>TIA
>Carl 51 GMC
>
>P.S. Carlisle was great but was a real scorcher also.
>
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
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