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Vibration from 60 to 70 mph

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Old Dec 16, 2011 | 04:30 PM
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Default Vibration from 60 to 70 mph

Just had my motor put back in my 68 427 vett and was going home (40 mls) and about 8mls from the house I noticed a vibration that seem to be coming from the trans area. I seem to feel it in the shifter. Next day I took it out and I got about 6mls from home and again from 60 to 70 mph vibration got worse. So I drove it back to the house and parked it. Does not vibrate before 60 and after 70 its not as bad. It didn't vibrate until I got about 30 or so miles from the mechanic's. I think it's getting worse. So as soon as the weather gets better I am taking it back to the mechanic!! What could it be? (I know it could be lots of things but give me a few of them!) He did not remove the trans. New flywheel.
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Old Dec 16, 2011 | 04:39 PM
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I am assuming you have a manual trans. Make sure the shifter was reinstalled correctly. Loose bolts on any of the brackets, or loose G clips on the shifter rods, can vibrate and buzz at certain speeds.
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Old Dec 16, 2011 | 05:46 PM
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Yes it is a 4spd and I will check all the linkage and nuts and bolts. The mechanic said he didn't remove the trans, so would he have to remove the shifter?
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Old Dec 20, 2011 | 04:42 PM
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Drove it down the road for about an hour taking it from 0 to 85 or 90nothing happened. Hit 60 to 70 no viberation. Push in clutch at 60 to 70 and no difference...seemed to try everything I could to make it vibeerate and nothing. So I guess I'll keep driving it until something else happens. Thanks to all!!!
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