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| Re: H89 vs gx head |
Subject: Re: H89 vs gx head
by racer135 on 2019/5/23 9:54:24
In the not too distant future I'm hoping to try a few different standard heads on a 'control' engine in a car on a dyno to see what figures each one makes.
I'm also hoping to port a round port using the info from the book 'performance 4 stroke tuning' by A. Graham Bell to see how it goes vs standard.
I don't know of any places near me to test them on a flow bench unfortunately, would be much better I'm guessing, less variables and whatnot.
Surprised after all these years that noone has done it before and posted the results in tech wiki.
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