Originally Posted by Shawnb
This is it
If you can't find the build sheet, at least pull a valve cover and get a casting number. Acc holes mean they likely aernt camel's but who knows, 0 decked, flat tops and 49cc chambers gets you real close to 13:1 depending on hg thickness. Which means a set of 64cc (most after market) heads gives you a real easy pump gas 10:3 comp. Be a shame to dump the motor if its full of good parts. Especially if u planned on buying heads anyway.