Flathead Bore Size ?

Whats your favorite bore size using a 4 inch merc crankshaft

  • Total voters
    62
  • Poll closed .
Reading these old threads is like paging through an obituary. A lot of great people put in their .02 back in the day.
That being said, I would guess most builds go 0.125 over. Thats what mine is.

Kirk
 
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