Thread: way fast flattie

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O.K, first of all the only way to stroke a flathead with a merc crank is to install it in the ford block, but that only brings you up to the mercs displacement. If you start with a merc block already then youre far better off. If youre convinced you need to stroke it even more, there are trick stroker cranks available through flathead jacks, made by norton for around 1500.

Secondly, I know this sounds bad to other flathead guys, but unless cooling is a problem, youll probably have better luck without the finned aluminum heads and just running the stock cast iron ones that have been milled for higher compression. BTW, 12:1 comp?, you better be using stainless steel head studs.

Thirdly, as much as I love the look of multiple carburetion, its just not as good as a large four barel intake, and that pales in comparisson with a well balanced fuel injection setup. Dont tell me that four barrel intakes werent used in the flathead era, 'cause they were, they just werent all that popular for street use. They mainly saw use on drag boats and salt flats cars.