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200 vs 220 cylinder porting pics
Posted: 06:47 pm Dec 26 2020
by Owyhee1
In case you wondered, here’s both cylinders. I always thought the exhaust ports were different, it’s actually the intake. If there are other differences, they’re not obvious.
Re: 200 vs 220 cylinder porting pics
Posted: 06:59 pm Dec 26 2020
by KDXGarage
Cool! Thanks for showing that.
Re: 200 vs 220 cylinder porting pics
Posted: 09:11 am Dec 27 2020
by G22inSC
Learn something new. Thanks for that comparison.
Re: 200 vs 220 cylinder porting pics
Posted: 12:00 pm Dec 27 2020
by TwistedRoot
Thanks for the post! When I had my head off, I couldn't believe how bad the casting was inside the head. I didn't actually "port" anything, but I cleaned up some of the ridges and imperfections at the intake. It was super easy to do, and I hope it helps with airflow. I could have prob gone much further.