View single post by Brett Gibson JH5 20497
 Posted: 11-18-2020 01:42 pm
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Brett Gibson JH5 20497

 

Joined: 03-17-2005
Location: Hilton, New York USA
Posts: 798
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 I'm thinking that the positive crankcase ventilation that you mentioned might be a issue, if it's venting back into itself it's actually not venting. A heavy venting engine is best run to a canister or back into the carbs, one that doesn't vent so much, like mine, can be vented under the car. I'd also double check the choke disc's on the front carb to be sure they are not scored and allowing leak by.
Just a couple of thoughts.
Brett.