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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Not only heat losses. Exhaust pressure may also decrease inside longer headers and turbo-lag becomes more noticeable.