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Originally Posted by fennerford
im going to shave the heads on my 305. they are the stock heads, so i was wondering if anyone had input about how much to shave off or the measurements on valve clearensce.
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Wow - lots of 305 heads were thinwall castings with relatively thin decks. I'd be careful how much I shaved off..there ain't much to start with!
I'd go to an aftermarket head with a better chamber, better port design, screw-in studs, bigger valves, and a thicker deck...but it ain't my money either.
~SP~