Bruno and Matt compare the Jeep 4.0 and 3.8 and make some upgrades to both. Follow Us! Facebook: http://www.truckutv.com/Facebook Twitter: http://www.truckutv.com/Twitter Linkedin: http://www.truckutv.com/LinkedIn Business inquiries Website: http://brentontv.com Email: info@brentontv.com jeep,4.0,3.8,compare,contrast,repair,fix,upgrade,how to,trucku,truck u,matt steele,bruno massel