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Old 07-23-2019, 08:16 AM   #1 (permalink)
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Cool engine heat

I have a 90 YJ with a 360 and I am having issues with extreme heat in the cab. I have looked at hood scoops but there are not too many available they are all just for show. Any ideas??
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Old 07-23-2019, 09:48 AM   #2 (permalink)
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Any holes in the firewall or floor pan? My CJ was brutal with any under-hood airflow into the cab. Next step I would take would be heat shielding the firewall if it happens at speed.

For the hood, I used boat louvers and used mesh/screen on the fenders behind the tire to let hot air out. Inner fenders may get hacked too if that's not enough.

EDIT: probably should move this to newbie as it certainly isn't hardcore.

Last edited by Kunker; 07-23-2019 at 09:48 AM.
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Old 07-23-2019, 12:13 PM   #3 (permalink)
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CJ7s with factory V8s had metal heat shields spot welded right on the firewall near where the exhaust manifolds are on both sides. They space out from the tub about 1/2". You might be able to fabricate them and weld or rivet something similar on your YJ tub.

Maybe someone can post a pic of them on a factory V8 CJ-7 tub??
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Old 07-24-2019, 02:17 AM   #4 (permalink)
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yeh not really hardcore but, on my CJ7 i wrapped everything from the header back about 3' with fiberglass exhaust wrap. made a heck of a difference inside
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Old 07-25-2019, 12:30 PM   #5 (permalink)
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Quote:
Originally Posted by Tacedaddy View Post
yeh not really hardcore but, on my CJ7 i wrapped everything from the header back about 3' with fiberglass exhaust wrap. made a heck of a difference inside
How did that hold up? Being in VA, I'm presuming it got wet/muddy, and rust is the main reason I haven't considered that yet.
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Old 07-26-2019, 08:07 AM   #6 (permalink)
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Originally Posted by Kunker View Post
How did that hold up? Being in VA, I'm presuming it got wet/muddy, and rust is the main reason I haven't considered that yet.
It seems to be holding up fine but its only been about two years, i did however drag a section of it across a jersey wall at an event about a month ago and the wrap didnt fair too well, pipe underneath looked clean and not rusty
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