Quote:
Originally Posted by falconsfan
got a chance a picking up some #6 heads.......are they better than #8's?
I havent heard much about them. Ive been told that #5 and #7 are best.
Whats the deal with #6's??
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5-6-7 are all good SBO heads. Similar size chambers (all smaller than the chambers on #8s). #6 heads were used on all 1970 SBOs, including the W-31 when fitted with larger valves. Don't know who's telling you not to use #6s, but they're wrong.