Posted by Old Guy (IP: 216.152.14.102) on December 12, 2000 at 20:32:48:
In Reply to: Help! I'm in Holley Hell!!! posted by Arnold H. Lester Jr. on December 12, 2000 at 20:08:48:
: Vacuum is right, timing at 6 degrees BTDC.Stumbles as I'm releasing the clutch right after changing gears.Float level is correct.New spark plugs and wires.Points are questionable though.Also misses as I'm holding a steady throttle between 35 & 50 mph.Over 50 no miss at steady throttle, but it returns at 70 and over.HELP!Thanks.Arnie.
Could be several problems, blown power valve, jetting too big or too small, need to go bigger on squirters. First thing I would do is check the clearance between the pump rod and screws. Just for trial, tighten up the screws on both pumps so that there is some play between them and the pump rods. This slows the initial charge of fuel to the squirters. Holley's take considerable fine tuning to work perfect. There is a fine Holley book available at the speed shops, that tells all these fixes. Throttle shaft tight in the base plate? If this is a used carb, they are notorius for being worn and causing problems. Can be rebushed though. Keep eliminating one thing at a time. Hope this is a little insight on the way to fix it.