Distributor gear

I have an all stock 350 SBC stock vaccum advance dist. I have a lot of play in the dist shaft I know I can shim it I'm just not sure what the clearences are. any help would be greatly appreciated..Thanks Aaron

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Originally posted by
I have an all stock 350 SBC stock vaccum advance dist. I have a lot of play in the dist shaft I know I can shim it I'm just not sure what the clearences are. any help would be greatly appreciated..Thanks Aaron

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47fordCOE, the main shaft clearance in a GM dist. should be between .002"- .007". **)

perfect......Thanks