I guess I don't completely understand how a sharp groove cut into the combustion area of the head isn't going to result in a hot spot?
There's a reason we've polished the tops of pistons and tried to make it so it isn't going to get a hot spot but maybe it works on lower compression?
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I wake up in the morning and I piss excellence.
-Ricky Bobby
America is all about speed. Hot, nasty, badass speed. -Eleanor Roosevelt, 1936
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