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03-08-2018
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I just registered
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Join Date: Nov 2013
Posts: 16 What Jeep do I drive?: WG
Likes: 1
Liked 3 Times in 3 Posts
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JK Unlimited Petrol / Diesel Life Expectancy Pro's/Cons
I've been here before, but I'm really torn between a diesel or a Petrol 3.6 both with about 160K on them....that's all my budget allows.....
Just as a fun runabout, occasional weekend plaything...
Also, what is the life expectancy for a manual transmission as well?
Sorry for these questions.....
I currently own an old WJ 4.0 for the last 5 years so I'm quite familiar with the Jeep idiosyncrasies
Ive seen heaps of cheap 3.8 but I think the updated dash and better power output sounds better with the 3.6 Pentastar
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04-08-2018
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Full Flexer
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Join Date: Jan 2009
Posts: 1,126 What Jeep do I drive?: XJ
Likes: 42
Liked 184 Times in 117 Posts
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I think anything with a 4.0L will outlast most other engines. I have a 4.0L XJ and a 3.6L JKU. My cast iron engine will probably outlive the Pentastar.
The 4.0L is lazy and does things easily. The 3.6L is quite powerful hauling a heavier car which kind of squares them up in terms of response and power.
I went petrol in the JKU because I don't want to have big ticket repairs and maintenance long after the warranty has expired. There are many that will disagree with me, but you just have to look at the quantity of Jeep diesels for re sale when compared to petrol.
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04-08-2018
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Senior Newbie
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Join Date: Dec 2011
Posts: 92 What Jeep do I drive?: JK
Likes: 0
Liked 5 Times in 5 Posts
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It's a debate which will never give you an answer
__________________
2015 JKU diesel
brand new starting the modifications.....again
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04-08-2018
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,809 What Jeep do I drive?: XJ
Likes: 4,596
Liked 6,565 Times in 4,348 Posts
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If you have only ever owned petrol cars in the past you probably wont like diesels.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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06-08-2018
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Full Flexer
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Join Date: Aug 2008
Location: Perth
Posts: 919 What Jeep do I drive?: XJ
Likes: 185
Liked 121 Times in 86 Posts
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Get the 3.6. You said that all you want is a runaround and occasional wheeling trips, petrol engines are perfect for this.
The CRD is great if it has been maintained well, but parts are expensive, maintenance is expensive, and while it provides improved economy and nice torque, its all not worth it unless you are doing long trips and really get the CRD working/cruising on longer drives. Thats my opinion.
Put the best oil you can afford in the manual trans, make sure its full synth, don't try to do quick shifts like you can in a sports car, and it should last forever. I have Redline oil in my trans and it shifts beautifully.
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06-08-2018
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I just registered
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Join Date: Nov 2013
Posts: 16 What Jeep do I drive?: WG
Likes: 1
Liked 3 Times in 3 Posts
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Yeah ..I actually purchased a 3.6 on Sunday.....took it for a drive and it was awesome... compared to the WJ...
Sent from my Mi A1 using Aussie Jeep Offroad mobile app
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06-08-2018
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Established Member
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Join Date: Jul 2015
Location: Adelaide
Posts: 2,079 What Jeep do I drive?: WK2
Likes: 2,508
Liked 991 Times in 632 Posts
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What WJ did you come from? Motor I mean?
How does the JK compare for comfort etc?
Sent from my SM-G930F using Aussie Jeep Offroad mobile app
__________________
I drive over stuff!!!!
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