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splithead six questions


Guest Paul Manuel

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Guest Paul Manuel

Well its time to get my engine going in my 1928 GMC Express. It is a 186 or 3 1/4" bore. My cylinder bore is roughly .007" larger at the top than the bottom. I have 6 good standard pistons (3.250") but will require cylinders boring. I would like to find a set of pistons .010 over or more. Also does anyone know if I can get a set of standard 1929 pistons and bore to fit? I do not know if the piston is simply larger diameter or did they also make other changes to the pistons such as pin size or deck height etc.

Thanks for the help. Paul.

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