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thanks for the input, I will try that rocker mod and check to make shure the rocker towers were assembled right. now the only question is what cam would be a good cam to replace it? not sure of the current specs, but i know it was a high lift and sounded extreamly healthy at idle. Early 20R head with a 22R block which have both been built to the max. It was made to use a 500cfm carb (i've got the holly 500, #4412 on it now) and it was ment to race.


>>>*Do you happen to have a Tach on there? Maybe some idea of the RPM you are running going into the corner?

Is the track dirt or asphalt? Slow corners or fast?

I thought the 4412# was the little 2 barrel, 350cfm??? (I might be slipping there, been awhile.) 2 barrels rate CFM differently than the 4 barrel designs.

It should be fairly easy to come close with a cam design for your use, I suspect you need to run between 3000 and peak?...*EB

*Beats the he** outa me!....*LOL**...