ThermoQuad vacuum advance port

Mattax said

Interesting. I've seen the purge and distributor using the same port on the AMC motorcraft 2 bbls.

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My other non-ELB TQs with an advance port have a transfer slot about 1/16x1/8 or so in the driver's side primary, the ECS has 1/16 ports in each primary, I figure the vacuum signal should be approximately the same...