Using thicker oil, using different gas and Hard start troubleshooting

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Mar 31, 2014
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Just reconnect the plumbing that goes to the carb vent pipe, make sure the Outer Vent Control valve is working correctly, and just vent it to atmosphere downhill of the carb.

The GM CC should have two ports on top and one on the bottom.

The two ports on top should be labeled. If not, then it doesn't matter. One goes to the tank vent, the other to the purge hose leading to the carb.
 
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