Wow. It actually sounds ok.
What does the exhaust smell like?

And.....
Why did you stay at 40 for a while? Was that a straight 0-60 or did you have to slow down to merge or something?

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Current Mercedes
1979 maple yellow 240D 4-speed

Gone and fondly remembered:
1980 orient red 240D 4-speed

Gone and NOT fondly remembered:
1982 Chna Blue 300TD

Other car in the stable:
2013 VW Jetta Sportwagen TDI / 6-speed MT