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disadvantages of unequal length headers

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Old 12-12-2012, 11:25 AM
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Default disadvantages of unequal length headers
are there any disadvantages to having headers of unequal length? Custom non car application, had to make some custom headers but due to space restraints the headers are not of equal length.
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Old 12-13-2012, 10:25 AM
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Very few headers on the market are really equal length. Don't worry about it.
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Old 12-13-2012, 10:29 AM
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UEL headers typically make less torque, but more horsepower. At least in subarus they do.
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Old 12-14-2012, 01:21 PM
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I know of very few headers in the aftermarket for our cars that are equal length.
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Old 12-14-2012, 03:29 PM
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From reading David Vizard material, the unequal lengths may help with 2-plane cranks having 2 cylinders firing sequentially on each bank.
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