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Thread: 4L80E vibration
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05-08-2009 #1
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- Join Date
- Oct 2004
- Location
- Sudbury,Ontario,Canada
- Posts
- 13
4L80E vibration
Hi,I have just completed a turbo 400 for 4L80E trans swap in my 67 Chevelle. I have a vibration when sitting in park that starts at 1800 rpm & gets progressively worst at the rpm climb. This vibration is felt on the road as well as the rpm gets to 1800 & beyond.This never occured before with the 400 combo. The engine is a 454 which I have been running for the last 4 years.Would anyone have an idea as to what is going on?? G.L.
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