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milling the bottom of cylinders
I have seen this a few times now. why would you do this? is it something I want to do? is for oil flow?
http://forums.pelicanparts.com/uploa...1406343028.jpg |
Extra clearance for a longer stroke crank?
Or maybe the owner changed rod type and needed more space to swing them? Bob |
so for a stock motor no real value. would it help oil flow? it would be easy to do.
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A modification to minimize air flow restriction as piston moves toward BDC. Supposedly saves/gains X HP in high revving engines to extract max. power. YMMV.
Sherwood |
This is often called "mooning" the cylinders. Goes along with profiling or otherwise narrowing and smoothing the tops of the main bearing webs. Race motors only, really, where cost/benefit holds much less sway.
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