ORIGINAL: Bax
Please remember that the Tower .46 engine is non-ringed, and can be ruined if it's run too rich.
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Really?
Whys that?...never heard of that. How can the engine be ruined...I thought it would just 4-cycle and virtually all the break-in manuals I have (I admit to not yet owning a Tower but I have lots of OS) experience says run them rich and lean intermittently. Does it cause to much pressure on the head or something because you get unfired fuel as an uncompressible liguid instead of a compressible gas? Thats my guess..but I'd like to know if I'm right. And, if that is the case, not sure what rings would do to solve that issue.