Need some help I purchased a 98 wrangler last year it's a straight 6 with manual transmission. Has a 4" suspension lift , 2" body lift with a transmission drop kit. Has also 33x12.5 mud terrains. I am getting a vibration when in 3rd gear and up when acceleration and when off the gas coasting in gear. While maintaining speed the vibrations are almost gone. I noticed the motor mounts were dry rotted and worn so I replaced them this weekend I thought the vibes were gone I test drove it was smooth as anything for 2 days but the 3rd day vibes were back the only difference that I could see is the weather it was over 55 f on the 2 days and once it got to under. 50 I got the vibes back any suggestions?
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