I may be misinterpreting what I read and see about the 2v heads but what I see is the intake ports have terrible line of sight to the valve.
They positively go the wrong way.
The exhaust port is very resrictive.
The dyno tests I have seen show that any lift over .500" with those heads is a waste because they absolutely stop flowing right there at .500".
182mph is very impressive and the car probably wouldn't go any faster with better heads but maybe the time spent waiting to get there would have been more...interesting?
Performance is relative I suppose, and everyone has a different perspective on what is performance.
The 2v heads aren't my choice to invest anything into.
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