Yes i agree with Heavy86Chevy that the spider gears could be going up but another possibility is a tooth or more missing on the ring and pinion...
I had a problem with mine were it would not idle at all. But if you started it up and applied the gas then it would run. Come to find out it was...
I had a similar problem with mine and a good thing to check is the fuel pressure regulator that is located at the back of the throttle body. If...
Separate names with a comma.