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Once you get the manual and read through it, you will have plenty of suggestions to try. Drilling holes in the throttle plates, is in there, plus it will show you how to do it. Another gentleman suggested that the #62 jets might be a little lean for that carb and your set up. What were the size of jets that came with it, when you bought it? I would suspect somewhere in the #72 area. Did you try to run the carb with the original jets?
The manual I speak of is the one written by Dave Emanuel, not the one from Holley. They are two different views. The one Dave wrote, has cures and tuning tricks.
You can download holley's manual on the web. I did it at least for my 6213(800 doublepumper) A little bit generic but good enough, Holley's aren't a very complicated Carb.
Drilled the holes and plugged them back.. The orginal jets were 67. I put the carb back to orginal. No dice. It now acts like a vacumn leak. Runs up to about 2000rpm and 25in vacumn. Try to adjust and then vacumn goes to zeros and engine dies. Tried spraying Barreymans and did not find any vacumn leaks.. Carb been on and off 14 times saturday alone. Took sunday off to make Shifter ***** and to try to cool down...
MikeC thanks for the Holley info, did that Friday.
I orderd Daves and another one. Should be here tomorrow...
It was never this hard unitl I bought the Money pit. I WILL OVERCOME!!!