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True Dual Pics

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Old 01-10-2005, 10:44 PM
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i wanna hear what this sounds like...
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Old 01-10-2005, 11:15 PM
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gotta way to post up clips? i have some.
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Old 01-13-2005, 09:10 PM
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wish I could do true duals.
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Old 01-13-2005, 09:28 PM
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Originally Posted by meissenation
wish I could do true duals.
you could, you'd just have to do some work.
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Old 01-13-2005, 09:28 PM
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Ryan's T/A has true duels....
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Old 01-13-2005, 09:56 PM
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True duels aint that great most motors like Back pressure
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Old 01-13-2005, 09:58 PM
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Originally Posted by 97z2801ss
True duels aint that great most motors like Back pressure
got to have just the right thing. Ryan ebded up ripping his off for awhile because of the no clearance issue... so, now there is nothing after the headers.
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Old 01-13-2005, 10:02 PM
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that I bet is loud!
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Old 01-13-2005, 10:15 PM
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Originally Posted by 97z2801ss
that I bet is loud!

beyond loud. I am so sure our neighbors hate us. Loud T/A, loud Chevy Truck, oud Camaro... And I get home from work at 11:30 pm usually, and he leaves at 11:30. I'm sure they are woken up every night.
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Old 01-14-2005, 03:12 AM
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Originally Posted by 97z2801ss
True duels aint that great most motors like Back pressure
Not true, this is how it works, first of all you want ZERO back pressure. If your exhaust pipe is too small the exhaust fumes from the combustion process in ur cylinder will be trying to push as much out as it can threw a "straw" if you will. Obviouslly it cant get it all out before the exhaust valve closes so there will be some left in the cylinder when the intake stroke takes place. Since there is still some left in the cylinder less air and fuel can get in now so a less powerful explosion causing less horsepower. Now if the exhaust is too big instead of pushing all the exhaust out through the pipe it will build up inside the pipe (since there is not enough velocity to get it all out into the air) and cause the same effect. You want 0 back pressure, however going too small or too big will cause the same effect (too small being the worse of the two evils but still). You want it just right. If you wanted back pressure im sure Top Fuel cars would not run open headers. That about sums it up fellas

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Old 01-14-2005, 11:39 PM
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Originally Posted by JesasaurusRex
Not true, this is how it works, first of all you want ZERO back pressure. If your exhaust pipe is too small the exhaust fumes from the combustion process in ur cylinder will be trying to push as much out as it can threw a "straw" if you will. Obviouslly it cant get it all out before the exhaust valve closes so there will be some left in the cylinder when the intake stroke takes place. Since there is still some left in the cylinder less air and fuel can get in now so a less powerful explosion causing less horsepower. Now if the exhaust is too big instead of pushing all the exhaust out through the pipe it will build up inside the pipe (since there is not enough velocity to get it all out into the air) and cause the same effect. You want 0 back pressure, however going too small or too big will cause the same effect (too small being the worse of the two evils but still). You want it just right. If you wanted back pressure im sure Top Fuel cars would not run open headers. That about sums it up fellas

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you want some back pressure, open headers have back pressure, the back pressure helps with sound levels
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Old 01-15-2005, 04:27 PM
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Im sticking to my 0 back pressure theory
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Old 01-15-2005, 04:51 PM
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i've heard from a TON of different people that you dont want a lot of backpressure of coarse but you do want some. either way, that exhaust prolly kicks ***!lol
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Old 01-15-2005, 08:38 PM
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I took a clip today, and shrunk it down, just waiting for someone to host it!
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Old 01-24-2005, 08:19 PM
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all those people thinking u want backprerssure prolly has heard it from someone that heard from someone that you need it because a 2 stroke motor needs it. 4 strokes dont need backpressure or want it, the olny reason to run headers is to make sure the valves dont warp
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