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Hello racers, I need some opinions,,,I believe i am getting valve float at about 5800 rpm. I have edelbrock performer rpm heads,,comp cam xe-268 h cam,,1.6-1 crane rockers. If i changed back to 1.5-1 stock rockers would that get rid of the valve float? should i add shims to the springs or get...

Hello all, I was just wondering what degrees of timing you racers run. base and total,,,,,and do you run with vacuum advance? I have a 360,xe-268 cam,edelbrock heads,about 10.5 cr.