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390 Engine Vibration in '66 T-Bird (Part 2)
By Paladin - 08/29/2001 8:05:36 PM; IP 4.4.107.183
I would first like to thank everyone who responded to my first post with their opinions and suggestions in regard to an engine vibration in my 390 powered '66 Thunderbird. I went and checked everything mentioned short of pulling the engine and having the reciprocating assembly balanced. I have no problem doing that and have done it several times in the past. But I am hesitant due to a new discovery this evening. I blocked the car up and crawled underneath with a mechanic's stethoscope and started poking around. With the engine running and the 'Bird in park I found that the engine itself had very little if any vibration at all. The vibration is coming from the transmission area, most probably near the front of the tranny and carrys all the way down the case. Again, to cover prior ground, I recently purchased the car with a recently rebuilt engine and transmission. Does anyone know if there is anything in the front of a C6 that would be spinning with the engine running and in park that would cause this? The only thing I can think of is the torque converter and the flexplate itself.

Thanks again to everyone and may God bless you and yours,
Paladin
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Collapse <b>390 Engine Vibration in '66 T-Bird (Part 2)</b>&nbsp;-- <font color=#0000ff>Paladin, <i>08/29/2001</i></font>390 Engine Vibration in '66 T-Bird (Part 2) -- Paladin, 08/29/2001
 Your torque convertor is improperly bolted. -- Dave Shoe, 08/30/2001
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