Originally Posted by paul325i
Yes it's 4 cylinder, twin carb.
I'll spend some time searching down the used power head route then, so basically any 50hp Mer/Mariner block from around the same period should be a near enough fit?
Would there be any implications to fitting a 50hp powerhead with the magnum's carbs?
I'd just use the whole lot-50hp carbs as well. They were crankshaft rated so you'll only get a gain of around 4-5hp anyway.
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