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View Full Version : Possible driveshaft vibration


tomt41
12-05-2002, 12:46 PM
Im just wondering if anyone else has felt the low level vibtration at around 70. I cant tell if its tranny, driveshaft or whatever. Just doesnt sound smooth- Very similiar to a driveshaft inbalance I found on one of my Chevelles. Ive heard , I believe on this site, that there is a driveshaft issue with the 03MM. Any ideas?
Logan
12-05-2002, 01:01 PM
I know what you're talking about... Went away when I installed my DynoTech driveshaft from Reinhart...
Macon Marauder
12-05-2002, 01:07 PM
I haven't noticed any vibration cruising at 70 - or 80 for that matter - or, well - you get the idea!
Ray Snyder
12-05-2002, 01:12 PM
It's not something I've noticed.

Logan, How much was the drive shaft ?
Logan
12-05-2002, 01:21 PM
$500+Shipping
tomt41
12-05-2002, 01:27 PM
You think LM will warranty it? try- I'll tell them it needs a Dyno Tech , eh- sounds like a plan- yeah sure!-Thanks for the info-
SergntMac
12-05-2002, 01:35 PM
I cruise at 70+ rather regular, haven't noticed anything...yet. Been up to 125, nothing. What's happening here? I recall drive shaft vibtation from '70 something Chevy products too, noticed it first in the mirrors, but I can't see LM letting this car out (with all these performance features) without considering a proper drive shaft. has anyone checked to see what comes stock?
Fourth Horseman
12-05-2002, 02:54 PM
Smooth as glass for me cruising between 80 and 100. Haven't been over 100 though, so I can't speak about vibration at high speeds.
Smokie
12-05-2002, 03:42 PM
No vibration at any speed up to 105 mph.
Mikeenh
12-05-2002, 06:02 PM
Didn't notice any vibration when it shifted from third to fourth @ 142 MPH :D
Love that chip.
chapel1
12-05-2002, 06:07 PM
Little vibration at 123MPH,but smooth otherwise.
LincMercLover
12-05-2002, 07:08 PM
How'd you get 123MPH chapel? I thought they were governed at 117?
Murader03
12-06-2002, 06:03 AM
Originally posted by LincMercLover
How'd you get 123MPH chapel? I thought they were governed at 117?

:) I think he's got the chip or else his speedo is off.
helifool
12-06-2002, 06:54 AM
No vibration noted to 125 mph.
MAD-3R
12-06-2002, 07:26 AM
I think if your at WOT with OD off, you can hit 120+, but that would be about it.
tomt41
12-06-2002, 09:41 AM
Its not a very noticeable vibration- At WOT you will not feel it- but at 65-75 , as you climb to cruisin speed, there is a definitive hum that doesnt sound 100% in sync. I will have it looked at at LM- but I already know the answer-Thanks
looking97233
12-10-2002, 11:57 PM
Nope 03 MM is speed limited to 123mph in OD
less in 3rd. Been there, proved that.

I didn't notice any driveline vibration with mine, but if you listen to the guys at Car and Driver, they say that's why it is speed limited.