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**truckster** · 08-23-2011, 02:43 PM

The vacuum pot on the HEI should be connected directly to a ported vacuum.

Later years used the vacuum delay mechanism on the thermostat housing, but I would just make the direct connection.

08-23-2011, 02:43 PM	#2
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 8,030	Re: HEI vacuum connections The vacuum pot on the HEI should be connected directly to a ported vacuum. Later years used the vacuum delay mechanism on the thermostat housing, but I would just make the direct connection.