Quote:
Originally Posted by Kilohertz
Thanks for the input guys, appreciate it.
As mentioned I machined a GM distributor to fit the flathead so manifold vacuum is where I have connected it. This is the classic location before emissions based ported vacuum came about.
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And that myth just keeps perpetuating... every engine from the late '50's that I ever worked on used ported vacuum; long before emission controls entered the picture.
You say you are using the stock 94 carburetor. If it was the one used with the Load-a-Matic distributor it has different passages for the dist. vacuum and will give you a venturi vacuum signal.