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Thanks guys
It looks like my metering block has been swapped out at some time by some idiot. Mine only has one place for a vacuum port. How much vacuum should be on the correct port at idle? OR is there a part number for the correct metering block that has the 2 ports on it? Is it Ok to run the vacuum line to the base plate if the port on the metering block will not work right?

H-- NO, Unless you want wide open throttle at start up Call Chicago Corvette and give them the list number(It is on the back side on the passenger side of the center carb. )and buy the correct metering block for your carb DO NOT hook the outboard carb vacume pod lines to the manifold vacume, if you do it will open the outboard carbs up immediately(SP?) as soon as you start it up Chicago Corvette bought all of the Holley six pak replacements parts years ago, I hope they can help you still . BTW, use the word Tri Power when asking for parts, not Six Pak This will help you stay under there radar as a rich, well heeled Mopar guy

Last edited by Cab_Burge; 09/27/10 10:38 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)