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engine vibe source? 120-130

posted by  Bennie on  Tue Apr 27 21:01 CST 2004
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last visit: Wed Nov 28 03:03 CST 2007
[RELATED]

Erik, vibrations suck. Not of any help, but just to cheer you up…

I have weird vibrations/humming when driving at speeds higher then 60mph. It also started after I put in an other engine (which ran fine before), although the vibrations I’m getting are not directly rpm-related nor are they speed-related, seems to be a harmonic-resonance problem. Till now I have not been able to figure it out.

I have swapped the following parts:
2 flywheels (also tried fitting them on in other position)
3 presure and friction plates (also tried fitting them on in other position)
5 gearboxes (2xM41, 2xM47, 1xM46)
4 drive shafts / supportbearings
2 rear axles
3 camshafts
2 timing gear sets
2 sets of tires/wheels

Till this day I have not been able to figure it out. I’ve finished a B20B just this week which I will be putting in soon, hoping for some more power and hopefully get rid of those #@*!#-vibes…

Does that help?...
Cheers Ben
--
Daily driver: P130, '65, B18+M47. In the proces of restoring: P131, '69, B20+AW71L. (www.knutselsmurf.web1000.com)






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