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03-23-2013 08:53 AM #11
CHR Member/Contributor
- Join Date
- Sep 2007
- Location
- Gardner, KS
- Car Year, Make, Model: '33 HiBoy Coupe, '32 HiBoy Roadster
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- 11,243
If you look at the coefficient of expansion for steel and assume a nominal ten foot length for the pipes the movement from a 50F ambient to nominal 180F exhaust temp (higher with CAT's) yields over 1/4" of growth. It's proportional to the change in temperature, so going from a frigid winter day to operating temps is going to be more. Bob, you's will be flexing that vertical mount, and the donut provides very little for isolation with the bolt coupling both rigid parts.Last edited by rspears; 03-23-2013 at 09:14 AM.
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Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy