A little hot

What are you using for a cooling system? The stock truck 5.3l fan is going to move a ton of air if it fits,probably with a custom shroud.

Guys here are scabbing in a powerhouse of a camaro e-fan,might be something to look at. https://wranglertjforum.com/threads...pal-19-850-watt-electric-brushless-fan.78963/
The company that makes those for gm also has aftermarket offerings,but not as powerful.

You could install a modified version of the 05+ truck e-fans and have your pcm flashed to control it if you wanted. But would probably need to just use the higher flowing of the 2 fans since the space for a radiator in a tj is so much smaller. Lots of how to's out there for that setup and it's extremely cheap to do in 99-04 silverados. Should be easy in a tj with a gm pcm and a wiring diagram
 
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But was it fun ?? !! , Tell a little more about the Olds !

It was a lot of fun! 69 Olds 442 convertible. Bought it with a blown up 400, dropped in a low mileage 455 ambulance engine. THM 400 with a kit. It could boil the back tires easy, would chirp from 1st to 2nd with 60's. It had been re-painted silver and black when I bought it but was originally yellow and black. I painted it pearl white and put on a white top.

Used to tow a ski boat up the mountains between Tucson and Roosevelt Lake and Apache Lake. With 10.5 : 1 compression and 100F plus temps I couldn't get good enough fuel all the time and she would ping bad if I got into it too hard. The Meth injection solved that but went thru a lot.

I accumulated so many points I almost got my license taken away with that car but somehow I lucked out and the judge used to live on the same street I did and all he wanted to talk about was the good old days on that street before I was born, then he let me off with a warning.

Here's what mine would have looked like from the factory except mine wasn't a W30 edition which gave you ram air, more HP and the red highlights..

442.webp