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holly 2280 wont idle
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Author:  mopardean [ Fri Jul 09, 2010 11:29 am ]
Post subject:  holly 2280 wont idle

I have a new holly 2280 (bought it a couple of years ago from S6Dan)
that wont idle. Like i said the carb is brand new but has been sitting around for quite a while. I put it on my freshly rebuilt 75 solid lifter motor and she just wont idle.

i have it off and apart and cleaned everything out as best i could but still no idle

any suggestions would be appreciated

thanks
Dean

Author:  Aggressive Ted [ Fri Jul 09, 2010 2:13 pm ]
Post subject: 

Sounds like a vacuum leak somewhere. Either in the base gaskets or the intake to head gasket. Leaks can also come from using manifold to carb adaptors.

Author:  mopardean [ Mon Jul 12, 2010 8:06 am ]
Post subject: 

thanks for the suggestion but it didnt help

i checked everything with an unlit propane torch with someone on the throttle to keep it running and no leaks.

the only way i can get it to idle (and very poorly at that) is to block off the top of carb about 90% with my hand

its a new carb (not rebuilt) and i am stumped

thanks again for the suggestion

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