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Vacuum Leak Areas?

Scotty

Scotty

Silver Level Sponsor
If the PCV and the Flame Trap are disconnected and the hoses are vented to atmosphere, what areas of the engine could cause a vacuum leak that could make the Weber 32/36 run lean outside of the manifolds to engine and manifold to Carb?
 
Did you lock up the PCV means with a short hose and a plug or a big screw with a clamp ? The best way however would be to replace the PCV with a blanking plug...
 
Last edited:
Spray carb cleaner around the carb base and intake manifold while engine is idling. Any leak there will show a major change in engine speed.
 
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