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  1. Madrapper

    '56 Lark - Piston wrist pins

    The wrist pins were tight coming out of the old piston (had to press them out, starting at the loose side) and are tight going back into the new pistons. I heated the pistons in an oven to 450 and froze the pins overnight in the freezer. I introduced the pins & gently tapped them to...
  2. Madrapper

    1956 Lark +.20 bore - piston ring search

    In case anyone might see this listing in the future, I've got the answer from the group at aomci: the part number I listed is for a single ring. The set of three is # 378422. Plenty of those about.
  3. Madrapper

    1956 Lark +.20 bore - piston ring search

    Hello fellow boaters. I am rebuilding the afore mentioned motor. The engine plate shows the model as 25526 & the cover is the brown/chrome/white Lark cover. The cylinders have been bored and honed .20 over and matched to piston size. Now, I need a set of rings. The original part number for...
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