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  1. JK Technical Discussion
    Hi All, I'm sure I read a post that had reference to a larger than standard oil filter for the 3.8 which still had good anti drainback for cold start lifter protection. I've searched but can't find it. I'm thinking it must've been mentioned in a responce rather than thread topic? Any idea of...
  2. JK General Discussion
    Hey everybody, I sized up to 35s on my 07 manual JKU not too long ago, and will be regearing and throwing in lockers as soon as possible. I've read just about every thread I can find on regearing, but still have some questions. First off, I'm still torn on 4.56 vs 4.88. It's a DD and I live...
  3. JK General Discussion
    Hi all, I've got a 2007 Jeep Wrangler Rubicon with the 3.8 auto combo with 173k miles. I truly haven't had any issues and would go as far to say between me and my buddies' jeeps it's a reliable powertrain if you run 10w30-10w40 oil in it and change fluids often like I do. I would like for a fun...
  4. JK General Discussion
    Hi all, I've got a 2007 Rubicon with 35s and the factory 4.10 gears with the automatic transmission. I go wheeling around 4-6 times a year from moderate to extreme trails. My jeep is also my daily driver with 173k miles on it and I really haven't had any issues at all. So with the supercharger...
  5. JK General Discussion
    There are quite a few old threads, but just wanted to do a survey about the 3.8 and it's long term reliability. I've got a 2010 with 145k that I purchased recently, has been running great so far just needed to replace an AC sensor and now a leaky radiator. Curious how these "dreaded" 3.8's have...
  6. JK Technical Discussion
    For my budget any swap is out of the picture. However I noticed that the magnuson blower is only 4k, makes more than the sprintex, and is roots so all the power is lower than the RIPP centrifugal. My 3.8 needs a rebuild soon anyway and paired with the RIPP headers I see it making upwards of 240...
  7. JK Technical Discussion
    Hey guys, I have a 2008 Sahara 2 door. My 3.8 is burning a quart of oil every 1k miles, and the odometer reads about 130k. Currently running 285/70r17s with 3.73s. Also have a catback exhaust. The question is pretty straight forward. I am a college student though, so cost is key here. As for the...
  8. JK Technical Discussion
    Lots of issues for my Jeep today! I have a thread on tone wheel replacement and need advice on another mysterious issue. My 2010 Jeep Wrangler Sport (3.8L V6, manual transmission) has been pinging while climbing steep hills and under load. It occurs between 1600 and 3000 RPM, regardless of...
  9. JK Technical Discussion
    Greetings. After months of working on my 2007 JK Jeep Wrangler 3.8L Manual, trying to get it up and running.I have hit a dead end and have lost all my hair. Problem: Initially its all started with a cracked header which then produced enough heat to melt spark plug leads and a small portion of...
  10. JK General Discussion
    I need to do an engine swap. (Blown engine). I have a lead on a 2009 3.8l. Will it work with my 2011. Everywhere I look, I see that the 2011 is a specific parts category. Why? Thanks for all the input 2011 JKU Sport
  11. JK Technical Discussion
    Okay, so like the title says.....I have a 3.8L Automatic Unlimited Rubicon, from what I know all 07-11 Rubicons had 4.10's standard till 2012 where it was an option (at least...I think...) I honestly don't know lol. I've seen conflicting info on this topic in many places so it's time to ask...
  12. JK General Discussion
    Hate for this to be my first post but I'm in a pickle. Purchased an 08 Rubicon 4 months ago. Heard a ticking noise (value type noise) and then followed by a knocking. Coming from the crank. Took it into the dealership where they diagnosed it as a blown motor. They informed me that this was a...
  13. JK General Discussion
    I have the last game of my football season tomorrow. I am a tight end and my dad and I have a bet that if I catch a touchdown pass I can get something for my Jeep. The other day I found that Dynomax lowered their amazon price on their Ultra Flo with dual tips for the 2 door JK. :iamhappy: My...
  14. JK General Discussion
    I am going to start off by saying that if you read this entire novel of my scrambled thoughts, you are a saint! Just as the title states, I am driving myself crazy. I don't even want to think about how much time I have invested in researching what tires I should get. Let me give a little...
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