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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Exhaust: Headers, Muffler, Gaskets, Supports » Archive through September 19, 2006 » Exhaust Design « Previous Next »

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Sarodude
Posted on Thursday, October 24, 2002 - 01:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Where to start...

OK, what's the best way to meausre an exhaust's tuned length? Specifically, how should one go about measuring the length on a curved section?

Also, when someone talks about a bend radius with regard to a pipe, does the radius refer to the distance to the middle of the pipe or the outside or inside wall?

-Saro
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Aaron
Posted on Thursday, October 24, 2002 - 01:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

All the books say that when determining pipe lengths, the measurement of interest is through the middle of the pipe.

I use a flexible machinist's ruler and bend it around the corner, on the side of the corner. Not the inside or outside edge.

Calculations and measurements are nice, they can get you in the ballpark, but eventually it always comes down to cut and try.
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M1combat
Posted on Friday, June 25, 2004 - 01:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Aaron... Do you know the proper tuned length for a stock 12R?
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Bluzm2
Posted on Friday, June 25, 2004 - 10:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Aaron,
Speaking of books on exhaust design, do you have any recommendations?

Thanks!
Brad
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