LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Vibration/ Rough running at all rpms, yet worse at high speeds?

Old Dec 14, 2003 | 10:56 PM
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1loudz's Avatar
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Vibration/ Rough running at all rpms, yet worse at high speeds?

My engine seems to vibrate, and run kinda rough (not really sure how to explain how its feels, it doesnt seem like a miss, its just rough, lol). i can feel it for sure in 1st through 3rd or so, but the faster i go the worse it seems to get........ in 6th gear its really rough. its a real uniform roughness, if you can understand that.

I just put in a new clutch\flywheel 900 miles ago, but this problem seems to have developed just in the last 100 miles. My second gear synchro has also gone out, and i have been going from 1st gear to 3rd gear all the time, i really cant get into 2nd unless im at idle, not moving. this went out about 500 miles ago.

I have a street twin that has about 900 miles on it, in case you think this may have something to with the problem, and i did NOT get it balanced to my stock flywheel. it had a weight already on it.

any ideas?

thanks!

Ryan
Old Dec 14, 2003 | 11:58 PM
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check your U joints and driveshaft. easy fix if thats what it is.
Old Dec 16, 2003 | 10:47 AM
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ttt
Old Dec 17, 2003 | 11:50 AM
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