Well I have more acceleration than I did with the 616 and that is good enough for me. If you want more acceleration put on a VNT line forcedinduction did and have plenty of boost under 2000 rpm.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine