madkaw 23 Posted March 11 Share Posted March 11 3 hours ago, jonbill said: that's interesting, how far down were they? .025 Quote Link to post Share on other sites
jonbill 2 Posted March 11 Author Share Posted March 11 6 hours ago, madkaw said: .025 quite a bit more than you'd expect to make up in a skim then. weird. Quote Link to post Share on other sites
madkaw 23 Posted March 12 Share Posted March 12 6 hours ago, jonbill said: quite a bit more than you'd expect to make up in a skim then. weird. From my research you have a zone you need to stay in or stay out of . Maybe this engine is based on the latter . I was surprised to see it myself . Running a 38cc head to get 10.75:1 . It runs good and haven’t blown it up yet! Quote Link to post Share on other sites
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