Can a bad tune make your Jeep overheat? Learn how to replace your Jeeps fuel pump, fuel filter, distributor cap, rotor, spark plugs, and wires to get it running its best!
Most jeep 4.0 guys still run champion copper plugs but go with the next step up on heat range. They give you a better/cleaner fuel burn. I have to look in my tool box on what part number they are, but you will get a very slight mpg increase and power. Not noticeable unless the old plugs were just garbage. Again I'm saying slight not 10mpg or 30 hp.... slight lol.
Links to RockAuto don't always work great so the part number is 27625 if you need to search. But here is the link as well. www.rockauto.com/en/moreinfo.php?pk=1144914&cc=1180178&pt=684&jsn=13
@@machinesinc Thanks for taking the time to reply. I have a 96 and 94 XJ and I love to watch repair/mod vidios on the Cherokee. BTW the link worked and I ordered the $30 kit. 👍
DO you have any trouble with pump gas (with ethanol ) giving you any issues. I don't drive my jeep much (less than 5K per year) and gas with ethanol sometimes causes intermittent misfiring. God bless, stay well.
You claim to not be a “how to” channel but a good quality how to video here and there would be appreciated
I’ll keep that in mind, thanks!
Excellent tutorial. Those 4.0s are pretty bulletproof but a little PM never hurts. Thanks Jake.
Gotta squeeze every little HP out of this thing I can!
Nice job Jake.I'm not a big fan of Autolite spark plugs but you are correct about the 4.0L prefers the copper core plugs...
What’s your brand preference?
Most jeep 4.0 guys still run champion copper plugs but go with the next step up on heat range. They give you a better/cleaner fuel burn. I have to look in my tool box on what part number they are, but you will get a very slight mpg increase and power. Not noticeable unless the old plugs were just garbage. Again I'm saying slight not 10mpg or 30 hp.... slight lol.
Very good tutorials. Can you please link that tune up kit
Links to RockAuto don't always work great so the part number is 27625 if you need to search. But here is the link as well.
www.rockauto.com/en/moreinfo.php?pk=1144914&cc=1180178&pt=684&jsn=13
@@machinesinc Thanks for taking the time to reply. I have a 96 and 94 XJ and I love to watch repair/mod vidios on the Cherokee. BTW the link worked and I ordered the $30 kit. 👍
Sweet, glad it worked!
DO you have any trouble with pump gas (with ethanol ) giving you any issues. I don't drive my jeep much (less than 5K per year) and gas with ethanol sometimes causes intermittent misfiring. God bless, stay well.
Never had any issues along those lines