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#948184 06/05/2013 12:52 AM
Joined: Sep 2010
Posts: 122
R
Shop Shark
Shop Shark
R Offline
Joined: Sep 2010
Posts: 122
Installed a new fuel pump on my recently rebuilt 261 and after starting the engine noticed that gas was streaming out of the small vent hole on the bottom half of the pump body. The engine ran for about 1 minute before I caught the leak and shut it down. Aside from getting a new pump Im really concerned about gas getting into the oil thru the pump body somehow?? The oil does NOT show signs of contamination such as an increase in oil level or a gas smell in the oil. Can gas get into the oil thru the pump??

ryanz #948189 06/05/2013 1:07 AM
Joined: May 2001
Posts: 7,440
Extreme Gabster
Extreme Gabster
Joined: May 2001
Posts: 7,440
Yes it can. I doubt if enough would get into it in one minute to make a difference though.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.
ryanz #948191 06/05/2013 1:18 AM
Joined: May 2005
Posts: 119
B
Shop Shark
Shop Shark
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Joined: May 2005
Posts: 119
Yeah, that was happening on our old big air compressor, and I was wondering why the oil was getting so high on the dip stick, definitely gas got in the oil. New fuel pump and I changed oil.


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