Quote:
Originally Posted by Ron61
If it has the original heads the same casting date will be on the top of the heads under the valve covers. As for the thermactor system, I don't know what year they started that, but I have seen some of the early ones in full sized cars that never had it.
Ron
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Here's a handy page on the vac hose routing for Thermactor and IMCO.
http://www.mustangbarn.com/69vacuum.html Surely he can get around having to hook one of these up for inspection.