Posted by Yup on January 05, 2003 at 01:05:31:
In Reply to: Re: advice posted by Hank on January 05, 2003 at 00:04:11:
0.770" vs. 0.750", but it's not a fair comparison--the 186 is a rotary, with the valves further down the bugle than the piston York. The St. Pete has a bigger bore than either--0.840".