So, do either of you think that a transmission swap is harder than this?
Just to get the exhaust routed-
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And the associated heat management.
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Oh, I'm not debating that it's more difficult and involved. No argument there whatsoever.
I'm just saying that if I can't stop my damn Jeep from doing these harmonic / cyclical vibrations at 60 mph and up, then it might be time to consider other options. I would of course have to pay someone to do that.