Quote:
Originally Posted by 116HDi
I heard a lot of contradicting claims concerning equal length headers used in turbo engines.
Some say the equally spaced exhaust pulses will get the turbo to spool up faster and improve efficiency, others say the heat loss over the longer headers will lead to less exhaust energy to reach the turbine wheel.
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People like to "armchair quarterback" stuff like this. I would be wary of any claim anyone makes, one way or the other, unless they have data to back it up.
That said, the effect of either of those things is probably going to be pretty minor. And packaging might dictate one method over the other, anyway.