LOL.............yea, i hear it was a West Coast thing!:confused:...........
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LOL.............yea, i hear it was a West Coast thing!:confused:...........
Secrets??..........
Rumor was some of the best 30H's had 'crushed' heads.................that brought the cc's right to the minimum and folks didn't have to worry about scrounging for old 30H blocks...........
Of...
It was factory porting.............the 55h was...
It was factory porting.............the 55h was percision machined at the Mercury race shop and they cut in 'high ports' for racing application. The 'fishing' motors were low ports for i guess idling...
Black block was a slang term we used for the...
Black block was a slang term we used for the fishing version of the Mark 55h................using the fishing version of the Mark 55 was approved and soon became the 'block' of choice. Even with...