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First Pulls on dyno with rear-mount

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Old 10-26-2013, 08:33 PM
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Because the pressure waves in an exhaust system travel at the speed of sound, sound waves move faster in hot air than in cold air. Meaning, it travels further in the same amount of time in a hot gas environment versus a cold gas environment.

same thing when we raced are snowmobiles on ice, 2-strokes i know are different than 4-stroke but when those pipes got really hot they performed way better, dyno's showed i couldnt believe it.
Old 11-02-2013, 01:12 PM
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Originally Posted by 03LQ9
There is a huge difference between wrapped hot pipes and not. Mine are double wrapped all the way back and the turbo has no trouble spooling.
BINGO, wrapping re mount pipes is a must!
Old 11-02-2013, 02:56 PM
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Got my manifolds on and the pipe wrapped back to the turbo now. Thinking seriously about swapping my cam out right now as well before I head back to the tuner.
Old 11-02-2013, 03:54 PM
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What are your cam specs?
Old 11-02-2013, 03:59 PM
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223/231 on a 112 lsa
Old 11-02-2013, 04:11 PM
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leave it alone and just show the difference from wrapping them and not. How does it feel? The spool time should be way better. what wrap did you use?
Old 11-03-2013, 01:03 PM
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Originally Posted by kelsey_canard
Is wrapping the hotpipes really that beneficial? I dont have mine wrapped, and have been wondering how much of a difference it would make. I can tell a big difference in spool time when the pipes are hot versus when they are cold.
Not too beneficial, but some have climed better spooling reaction. Hopefully it works out for you.
Old 11-03-2013, 01:36 PM
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Thermo tec is the brand name. I'm just now going to drive it and see if there is a difference.
Old 11-03-2013, 03:57 PM
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Good luck man. Post up more pics. I like this project
Old 11-03-2013, 04:03 PM
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if your still not spooling quick enough u might need the piping after the intercooler
bigger


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