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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2013 Posts: 1,384 Shop Shark | | Shop Shark Joined: Jan 2013 Posts: 1,384 | You have eliminated the transmission and everything behind it.
An out of balance on the engine would be a vibration not a "growl".
You should be able to reproduce it by revving the engine with the truck parked.
I did have one with an odd "rumble" with engine revs. Was a bad motor mount that transmitted engine vibration into the frame. | | |
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