Jesse J Posted January 8, 2021 Author Share Posted January 8, 2021 16 hours ago, 89 MJ said: I do like Corvairs. They are a good looking car. Thanks for reading my Ted Talk, that was pretty much pointless. never been my style Link to comment Share on other sites More sharing options...
The86manche Posted January 9, 2021 Share Posted January 9, 2021 What about 5.9 zj louvers? I have a set but no I'm not willing to sell lol Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 57 minutes ago, The86manche said: What about 5.9 zj louvers? I have a set but no I'm not willing to sell lol are you talking about these they are fine I dig the look of the corvair ones though. or I might consider making some that look like the below Link to comment Share on other sites More sharing options...
The86manche Posted January 9, 2021 Share Posted January 9, 2021 48 minutes ago, Jesse J said: are you talking about these they are fine I dig the look of the corvair ones though. or I might consider making some that look like the below I sure am. Would probably be easier to find than corvair louvers. But who knows. But i love the simple but also practical design of the 5.9 louvers Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 Yeah the yj ones are just too round they fit the yj not the xj/mj. I am worried about having too much cooling with them. especially because I don't have a coolant temp gauge. but if that is the case I could cover up one of the louvers. utah does get very warm in the summer but also it gets down to 10 in the winter so maybe some removable sliding cover is in order Link to comment Share on other sites More sharing options...
Pete M Posted January 9, 2021 Share Posted January 9, 2021 a factory MJ engine does not require even a hood at all to get up to operating temperature. and doesn't need any extra holes in the hood to stay cool. a factory-spec functioning cooling system is all these trucks have ever needed. keep in mind that the engine bay is not a sealed box. there are gigantic holes on the bottom of the engine bay and fans up front that are constantly pushing air through the system. Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 that is a very good point pete. from what I have seen in morr is that his xj overheats down in southern utah often. Link to comment Share on other sites More sharing options...
Pete M Posted January 9, 2021 Share Posted January 9, 2021 an overheating XJ has issues that won't be magically fixed by letting in the rain. Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 good point Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 I think I will either not get them or get them down the road. Link to comment Share on other sites More sharing options...
Sir Sam Posted January 9, 2021 Share Posted January 9, 2021 My MJ with brand new everything can still get warm when off-roading slowly. Best solution for that is a cooling fan override switch, just leave the cooling fan running all the time. additional cooling on the hood can be helpful. Link to comment Share on other sites More sharing options...
Jesse J Posted January 9, 2021 Author Share Posted January 9, 2021 4 minutes ago, Sir Sam said: My MJ with brand new everything can still get warm when off-roading slowly. Best solution for that is a cooling fan override switch, just leave the cooling fan running all the time. additional cooling on the hood can be helpful. not a bad idea actually Link to comment Share on other sites More sharing options...
ghetdjc320 Posted January 11, 2021 Share Posted January 11, 2021 I had a 5.9 ZJ with those vents actually. Vents and scoops need to be strategically placed to do any good since there are high and low pressure spots on the hood. All of that becomes somewhat mute though when crawling since there is little to no airflow over the hood. Hyline off-road had some panels that were similar to some other ones you posted here but they had some portions venting and other scooping in air. I run a Mach1 hood scoop on my mj but there was significant bodywork involved to get the lines just right. Link to comment Share on other sites More sharing options...
ghetdjc320 Posted January 11, 2021 Share Posted January 11, 2021 A stock 4.0 should have ni overheating issues though on a good functioning oem system. All radiators are not created equally though. Also, high volume water pumps need to be part of a high volume cooling system or else they flow the water faster than the radiator can efficiently cool it. Switching from a high volume flowkooler to an oem pump actually made my Jeep run cooler. But my engine is by no means stock Link to comment Share on other sites More sharing options...
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