TwinTurbo.NET: Nissan 300ZX forum - here are several reasons
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Subject here are several reasons
     
Posted by yellowzxtt on August 10, 2004 at 1:27 PM
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In Reply To Why not make an aluminum exhaust? posted by Zoltan on August 10, 2004 at 12:30 PM
     
Message 1. It disapates heat too quickly - thats bad in an exhaust because it slows down the velocity of the gasses
2. It's coefficient of expansion is way too high - in tubular form it cracks too easily.
3. Its harder to bend
4. If you make it thick enough so it does not crack - it weights a lot more than you expect.

Thats just for starters. There are many more disadvantages

Harry

" If it doesn't make it faster, i don't care "
Please visit www.ztuner.com to GO FASTER

     
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