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How much will it cost to change the headlights on a blonde 1975 Sharon!?
I own a shop, and have worked on vehicles for years. The material is fiberglass, and that is why they were called glass pack mufflers. Not all glass packs are round as the cherry bombs, but are like any normal muffler. They have baffles, and will pack fiberglass around the outer parts to dampen the sound. As with any area that has noise, a hard type surface will reflect sound, while softer absorbent materials will deaden the sound.Glad to help out, Good Luck!
Where do I get p/s pump, pulleys,& brackets for 1979 460 no a/c ?
Most trucks don't use packing anymore, but they used to use a fiberglass backing.1999 f-150 4.6 v8 engine acting strange?
You mean the absorbive material inside some mufflers? Magnaflow uses steel wool inside their mufflers to absorb the sound.Do jaguar s-type give alot of problems?
a muffler is just a couple of staggered pipes with holes drilled in them that are inside a box .if you go to a muffler dealer they have pictures that show this .Would anyone be interested in a 1987 Jeep Truck in good condition.?
they used to use basalt wool but due to the nasty's in it they stopped using it,they now use E-glass which is like rockwool. or they use the steel wool,
Does anyone have good sites for F-150 pics?
Well thats how Bosal make em
How do you replace the stabilizer link on a 2001 Dodge Caravan?
Mufflers work by means of two actions: destructive interference and energy conversion. The fiberglass or steel mesh "absorbs" the sound by converting sound energy into heat energy. Mufflers also use those series of chambers, baffles and pipes to also absorb but more to ricochet sound back onto itself to cause sound cancellation. Mufflers are tuned to produce a desired level and quality of sound out the tailpipe. Although it looks like a simple device, a good muffler is an engineering marvel.More Questions & Answers ...
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