here's the exhaust ports : not much work is needed here as the Type1 heads tend to be generous here
-Just minor clean up and shaping , via sanding rolls and some carbides and smoothing the transition
-notice the casting flaws/lines are still a little visible because the exhaust port hasnt been totally hogged out
-no secret or nothing special here, improving the induction side of the engine helps alot
but wat you put IN needs to get OUT ... as far as the engine being a metaphorical "air pump"
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