12-16-2009, 10:18 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,031
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Not Ranked
We typically use foil-backed insulation that's about 1/4" thick glued to the bottom of the aluminum floor panel. The air gap is small (~1/2") to ensure that the muffler won't hit the floor or insulation under engine motion.
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