Palf's Little Blue Jimmy - The 1947 - Present Chevrolet & GMC Truck Message Board Network

05-10-2018, 11:13 AM

#11

N2TRUX

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Join Date: Mar 2000

Location: Cypress, TX

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Re: Palf's 1981 GMC

Quote:

Originally Posted by XtremeBowtie

Does the insulation make a huge difference? Seems like it would...

What Bill is using is good for reducing resonance. It dampens the sound waves that are amplified by the bare sheet metal. It does offer a small amount of thermal protection, but its minimal. You need a composite barrier to reduce both resonance and thermal transfer.

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