img001.jpgI was wondering if Duke could answer this but every one is welcome 69 running like crap leakdown test 3cyl very high others average to moderate found broken upper rings cam looks like new but when looking up old rebuild slips 25yrs old (69has-229-165) my (61 has 1121) are these basically the same shaft 61 230 hp runs good is this to small for a 350/350 thanks steve