Thread: Reducing NVH
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Old 10-15-2017, 05:43 AM   #15 (permalink)
ar5boosted
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On an older car, I wouldn't hesitate to use a lot of [find the fireproof type - that won't catch fire] Spray Foam to achieve body deadening.



On these older cars, they were made from tin-foil. The foam has a bonus value of being impact resistant. So it would be advisable to use in bumper bars and side doors to improve impact protection.
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2003 Renault Scenic - 30% more power with no loss in fuel economy.
1991 Toyota GT4 - more economical before ST215W engine-swap.
previous: Water-Injected Mitsubishi ~33% improved.
future - probably a Prius
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