Diesel TJ's

[PT1400]

Check emissions first. At least for Oregon it's against deq to switch from gas to diesel and vice versa no matter what year
I did a ton of research for this for my TJ and the best bets are a 4bt or a 6bt if you can find one like you said, but the very best option would be a lb7 out of a Chevy duramax. At 405 cu it would barely fit under the hood but you'd get amazing torque and amazing mpg

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Downside to living anywhere near Salem and Portland. Out here "in the sticks" we don't have to smog our vehicles. Lol

 

[Strodinator]

Downside to living anywhere near Salem and Portland. Out here "in the sticks" we don't have to smog our vehicles. Lol

It ticks me off that I live way out of town but i still have to pass smog.

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[Strodinator]

Yea realistically like snboarder113 said my TJ will most likely never see a diesel swap. I am for sure though going to swap a new straight 6 in once mine goes. It’s just more convenient for the 6cyl. A lot less expensive as well. I have been thinking about a supercharger though

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Way late but instead of a supercharger have you looked at the stroker kit for the 4.0? With some work it becomes a 4.2 with much more usable power. Just to avoid the incessant whine of a supercharger.

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[Gadget]

I looked at a stroker 6 for my TJ once, it was a 4.7 liter, the main drawback was it required premium gas or it would run like crap, gas was more expensive then so I gave that idea up. Might be more acceptable now with gas prices being lower.


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[Snboarder113]

I looked at a stroker 6 for my TJ once, it was a 4.7 liter, the main drawback was it required premium gas or it would run like crap, gas was more expensive then so I gave that idea up. Might be more acceptable now with gas prices being lower.


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If you’re trying to compare forces induction to that striker, they’re both going to require high grade gas due to the compression ratios. So kind of a moot point.


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