[QUOTE="daytona kid, post: Here's a question, which of the 2 fittings should I have my vac advance hose connected to? Before or after the butterflies?
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The one towards center with the plug appears to be ported vacuum. That would be the normal location. The ported location will only pull vacuum with the throttle open. The other port will pull at idle.
Doug
View attachment 993368[/QUOTE]
The one towards center with the plug appears to be ported vacuum. That would be the normal location. The ported location will only pull vacuum with the throttle open. The other port will pull at idle.
Doug