Re: exhaust port dividers
36tbird the engine is a 48 back 100 horse power block bored .60 over witn 49 to 53 Mercury 4" stroke crank. The dividers are held in by 7/16" allen screws (socket head cap screws) tignened into a counter sunk hole bored into the dividers. Those screws are in the bottom of the stud holes with the studs bottoming against them.
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