heavily ported sohc heads!
7 July 2006A better port design could easily make up for the slightly larger valves. If the JZ's still flow better with the smaller vavles it really says something [Image in original archive] I'm thinking of po…
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A better port design could easily make up for the slightly larger valves. If the JZ's still flow better with the smaller vavles it really says something [Image in original archive] I'm thinking of po…
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