Several threads going on swapping differentials got me to wondering about power bands. How do you know what the power band is for a particular engine-transmission-rear end combination? I'm guessing this comes from a dyno, but is there a good resource where power bands can be looked up. I'm particularly interested in my 2.6L M103, A/T with 3.27/1 differential. TIA for educating me.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't