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I mean, it’s not, though. And heat management in an old Land Cruiser with an LS swap is a very different thing from heat management in a vehicle designed with an OEM cooling package from the get go.
How much boost is the 2.3 making when you’re rock crawling? Maybe...a little? But maybe not much at all. Is heat management on a 4 cylinder barely making boost 10x worse than on a V8? No way.
I’ll buy that heat soak can rob you of some timing advance and boost. But I don’t think you’re going to find many Broncos overheating on the trail because their radiators couldn’t keep up with the base engine.
It sounds from a quick google like the 2 liter jeeps do have some overheating issues, but that sounds like a flaw (it occurs at idle, or at cruising speed) with that truck rather than something endemic to smaller engines.
A similar search for Rangers didn’t show anything for the new turbo trucks.
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