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Old 02-13-2011, 09:29 AM   #84
Tommy_J OP
won't drive a car
 
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Joined: Apr 2007
Location: So Cal
Oddometer: 338
We think alike Modnrod. I plan the same kind of no-clamp slip joint. Turbo charged light aircraft use this set up because its reliable and light. Since the inside pipe runs hotter it expands to make a good seal.

A diametrical clearance of .005" to .008" should seal well when hot but also allow some movement. I measured the pieces from the cut up KTM header and four Ducati mufflers and found pieces that have this clearance.
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