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Message: <blockquote data-quote="OLD H2S" data-source="post: 1361468" data-attributes="member: 20979"><p>This car MOVES now, positively squirrely in the rear end, WOO HOO. I can feel it run out of cam at 4600rpm+ What a difference, I can't thank you enough. The ports look rough in that pic but I measured the manifold runner size at 40mm wide and 46mm high, my ports are 42mm wide and 44 high, so I could go bigger to match things up better. Now the wife is kicking me in the ass for waiting 20 years to do this upgrade. The PI water pump nipple is leaking so I will tear it down again but with a smile on my face. Now I really need cam advice. THANK YOU!</p></blockquote><p></p>