what carb are you running with this combo?
what you're describing sounds like a lean condition at highway speeds.
you may benefit from a slightly richer jetting in the primary cicuit of the carb.
also check the advance in the distributor and verify the timing settings.
mike
__________________
so many pontiacs, so little time..................
moderator is a glorified word for an unappreciated prick..................
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the
former." --Albert Einstein
"There is no such thing as a good tax."
"We contend that for a nation to tax itself into prosperity is like a man standing in a bucket and trying to lift himself up by the handle."
- Winston Churchill
|