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Had a pair of Jeeps that ran extra hot. Literally couldn’t open hood without gloves. Items mounted on firewall (hard plastic) showing 250F on temp gun
I shimmed up hood hinge and modified weatherseal on the side of hood that didn’t receive airflow for HVAC. That helped. A little too efficient in winter so removed shim. W-S mid was adequate year round.
The constant heat in Texas will eventually toast all plastic under hood. Cracks off or crumbles. Be reasonable about this. It becomes a never-ending chase of hard to find parts.
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