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Jeep Wrangler JK
JK General Discussion
Typical new owner questions about engine and transmission
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<blockquote data-quote="Dirty Dog" data-source="post: 463878" data-attributes="member: 24042"><p>I use Mobile One 5W30 Extended Performance in both Wranglers. Change it every 20,000 miles.</p><p>Thor has 110,000 miles, no problems. Only repairs have been a thermostat, radiator, and TIPM. Tune up at 100,000.</p><p>Jeepers got a new engine after 199,5xx miles. Same thermostat and radiator replacement. Tune up at 100,000.</p><p>I use Mobile One 5w30 in the Vette, too. But it gets changed after every track day, so I don't use the Extended Performance version.</p></blockquote><p></p>
[QUOTE="Dirty Dog, post: 463878, member: 24042"] I use Mobile One 5W30 Extended Performance in both Wranglers. Change it every 20,000 miles. Thor has 110,000 miles, no problems. Only repairs have been a thermostat, radiator, and TIPM. Tune up at 100,000. Jeepers got a new engine after 199,5xx miles. Same thermostat and radiator replacement. Tune up at 100,000. I use Mobile One 5w30 in the Vette, too. But it gets changed after every track day, so I don't use the Extended Performance version. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Typical new owner questions about engine and transmission
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