Whatever happened to fiberglass? My 94 Vette is fiberglass, and I don't really see the problem with it. If you dent a car, fiberglass or metal, it's gonna cost you to fix it. Fiberglass doesn't rust, and the weight savings are the main gain. I'm just wondering why more cars haven't gone with fiberglass.
The problem with fiberglass and plastic is that it expands and contracts with the temperature changes significantly more than metal does.
So for tighter body panel gaps and better quality appearance, alot of cars are switching back to metal.
Steel is the metal of choice too, because it's strong.
Aluminum has been used in the past too, and while it's lighter, it's alot softer of a metal, so it dents alot easier.
Curb weight of the 2006 Mustang GT 3613. My 1991 LX notch was only 2980. Why are cars getting heavier?!! they should be lighter. Lighter = better fuel economy. The new camaro should not weigh more than 3100 IMO.. but it will prolly come in at 3600-3700.
Hey Mr Lutz!! Every 100 lb reduction = .1 in the 1/4
My parents had a Saturn with the plastic doors. When comparing to metal body panels, the gaps in the plastic body panels are huge to compensate for when the temps change. When looking at the gaps between metal parts and plastic parts, it was very obvious which was which. The plastic contributed to a less than clean look IMO.
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