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Most came with 239 flatheads. By changing to a Mercury 4" stroke crank and Merc pistons, you could add a few more ci. Some of the larger trucks were available with a 337 ci flathead.
Most came with 239 flatheads. By changing to a Mercury 4" stroke crank and Merc pistons, you could add a few more ci. Some of the larger trucks were available with a 337 ci flathead.
07-25-2000, 01:06 AM
