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If im going for low end torque...

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Old Nov 26, 2002
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If im going for low end torque...

which header do i get? 4-2-1 or 4-1. i know one gives power at high rpm other gives at low. which is which? i don't wanna hear any nonsense about no power from bolt ons, i just want a answer. 4-2-1 or 4-1 for low end torque?
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Old Nov 26, 2002
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I believe the 4-2-1 is for low end and the 4-1 is for high end. [IMG]i/expressions/face-icon-small-cool.gif[/IMG]
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Old Nov 26, 2002
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thats what i thought but i've heard other things.[IMG]i/expressions/face-icon-small-confused.gif[/IMG]
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Old Nov 26, 2002
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[hr]Originally posted by: zetaR
I believe the 4-2-1 is for low end and the 4-1 is for high end. [IMG]i/expressions/face-icon-small-cool.gif[/IMG][hr]
I have to agree with zetaR. The 4-2-1 is knowned to give more at the low end and the 4-1 at the high.
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Old Nov 26, 2002
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It would also help if you didn't have 1.7L of displacement. (chuckles to himself)
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Old Nov 26, 2002
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no, but seriously- the 4-2-1 will provide more low and mid-range power than the 4-1 will. However, the 4-1 will provide more peak horsepower. Of course, if it's not practical, useable power for everyday driving, who needs it. Remember, area under the curve is what you REALLY want to increase.

-C
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Old Nov 26, 2002
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Yes, it's the area under the curve that's important.

Max HP is usually developed at high rpm, while torque is at more moderate rpm. The point at where the curves cross is also of great importance.
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