That sounds reasonable. As memory serves, from about 10 cars that I have
seen in the wrecking yards, four cylinder gas engines and diesels have the
driveshaft dampeners and six and eight gas engines do not. Only thing is
that I would think that the pulse dampening effect would be insignificant
compared to the mass of the flywheel.
"-->> T.G. Lambach <<--" <"T.G. Lambach at NoHamorSpamcomcast.net"> wrote
in
message news:qeidnVn4LYcglCPanZ2dnUVZ_tWtnZ2d@[EMAIL PROTECTED]
> I don't know the specific technical answer to your question, M-B
> engineers might.
>
> But, I suspect the reason for such drive shaft dampers is to smooth the
> pulses of the four cylinder motor vs. the smoother six cylinder motor.
> Think about letting out the clutch to get the car moving from a dead
> stop, the four's pulses may be felt slightly as the car begins to move
> whereas a six cylinder motor's more frequent fires would not be so felt.
>
> This isn't a drive shaft balance issue, it won't shake at any speed,
> regardless of motor, if the shop balances the shaft. Balance is not the
> reason for a damper, it's job is to absorb pulses.
>
> I hope this helps you.
> --
>
> © 2008 T.G.Lambach. Publication in any form requires prior written
> permission.
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