Originally Posted by Xymox007
I don't think it's a gearing issue. I think it's a synchro issue. Saturday I'm buying some GM Synchromesh and hopefully that will fix the problem.
Anybody know how much of the stuff I need?
There is no "issue" with the gearing. My point was that if you are shifting at high rpm in 4th gear then you are upward of 100 miles per hour (mph). Are you hitting 100 mph so often that a little grind is a real problem?