Thread: C5 gto
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Old 01-11-2011, 09:15 PM
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mr.c mr.c is offline
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Joel: Your aluminum firewall panels are going to far exceed 250 degrees. I did some seat time in this aluminum Buick v8 powered Sprite. The floor and firewall were aluminum. The engine had a "bundle of snake" exhaust system with the collectors above the bellhousing and the exhaust pipes running down the top of the tunnel and through the trunk. We had to add more insulation to the tunnel but the other panels had no insulation. The floor of the footwell was so hot that it turned the heel of my driving shoe into charcoal. Way beyond just melting the sole of the shoe. It was extremely painful to drive the car. I was almost relieved when the engine expired. Perhaps fiberglass ductboard might be a better solution. Stainless steel would also be a really good heat barrier.
Your engine is going to make a lot more heat than that little 3.5 liter Buick.
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