Originally Posted by Steve1989
So if it is done right it's legal then.
it depends on where you live, and how you go about it.
a diesel swap means a new engine. in some states, with an engine swap, the engine has to be newer than the vehicle it is going into.
then there is emissions inspections. your jeep will have to pass what would be considered normal for the gas powered TJ, with a diesel engine, that may not be possible.