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Old 07-28-2008, 11:20 AM   #1
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Inline 6 vs. V6

Hello all,

My friend just bought an '08 Wrangler. Correct me if I'm wrong: He has a V6 while my 2000 TJ is an inline 6.

What's the difference? Performance? Longetivity? Efficiency? Is there really that much of a difference?

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Old 07-28-2008, 11:30 AM   #2
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the I6 has less horsepower but a lot more low end torque, it will also last longer (known to go for 300K) but burn way more gas

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Old 07-28-2008, 11:36 AM   #3
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oh no!!!! here we go again i love this conversation. did anyone mention that the v6 came straight out of the minivan yet?

http://www.wranglerforum.com/jk-jeep...-v6-17556.html
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Old 07-28-2008, 11:51 AM   #4
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Old 07-28-2008, 11:52 AM   #5
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I tried searching but couldn't find it. From a minivan eh? Wow. Never knew that.

The V6 was designed for smaller cars while the inline 6 were for trucks, SUVs where longer blocks weren't an issue.

Inline 6s last longer? Wow. Never knew that.
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Old 07-28-2008, 12:42 PM   #6
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Originally Posted by hedonist View Post
I tried searching but couldn't find it. From a minivan eh? Wow. Never knew that.

.
http://www.wranglerforum.com/jk-jeep...-v6-17556.html

there's the link in case anyone mist it in my first post
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Old 07-28-2008, 12:46 PM   #7
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Sorry for the repost my Jeep peeps.


Mods, please delete!!! Thanks.
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Old 07-28-2008, 12:53 PM   #8
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No need to delete, Dave linked the original thread. Go there people!!!
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Old 07-28-2008, 12:54 PM   #9
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aww, lets fire it all up again.
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Old 07-28-2008, 02:57 PM   #10
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Workin as Chrysler Jeep Mechanic I can assure you that the inline 6 doesnt last any longer than the 3.8....Both are very reliable proven engines with literally billions of miles behind them we see tons of high milage Vans with 3.8s thru here....The inlines like ta lose head gaskets....usually around 180K not all maybe 25 percent...the 3.8s just run till they start knockin usually 250K plus....theres a reason they put em in the minivan.....they run longer than the rest of the van is usable

Im one gear lower in the woods in the JK than in a TJ....end result is the same tho.....Gary
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Old 07-28-2008, 10:34 PM   #11
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The 3.8 is still a mini van motor first and a Jeep motor second.The 4.0 is a Jeep motor first.I will take a 4.0 over a 3.8 anytime.
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Old 07-29-2008, 07:49 AM   #12
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The 3.8 is still a mini van motor first and a Jeep motor second.The 4.0 is a Jeep motor first.I will take a 4.0 over a 3.8 anytime.
check your history...

The Buick V-6 was offered in Jeeps back in the 60's (before the I-6). Ask the CJ guys.
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Old 07-29-2008, 08:16 AM   #13
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must resist, we've beat this thing to death. oh crap i can't. the buick motor sucked.
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Old 07-29-2008, 11:55 AM   #14
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oh geez.... here we go again
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Old 07-29-2008, 12:14 PM   #15
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I drove my buddies new 09 Wrangler.

I must say, I liked the smell and the look of new stuff but I must be honest and I told my friend and he agreed.

The 4.0 Liter seems to be more powerful like a truck. Even with 33s on stock diffs, my Jeep pulled with swollen balls.

His Jeep was sweet but I needed to rev it a bit higher in order to get similar power. Don't get me wrong, the power was amazing but it lacked the low end grunt.

My Jeep has 65k and it pulls stronger than his '09 on stock wheels.


Maybe I'm biased but I love my TJ. No, wait a minute, bot are awesome.
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Old 07-29-2008, 12:23 PM   #16
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oh no!!!! here we go again i love this conversation. did anyone mention that the v6 came straight out of the minivan yet?

http://www.wranglerforum.com/jk-jeep...-v6-17556.html
Well, you did now, in only the 3rd post! Well done!
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And the most important safety, I never put my booger hook on the bang switch unless I'm ready to fire.
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Old 07-29-2008, 12:25 PM   #17
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Originally Posted by hedonist View Post
I tried searching but couldn't find it. From a minivan eh? Wow. Never knew that.

The V6 was designed for smaller cars while the inline 6 were for trucks, SUVs where longer blocks weren't an issue.

Inline 6s last longer? Wow. Never knew that.
Fewer moving parts, ideally if well maintained the new V-6 should have similar longievity, but it all depends on maintenance. Who do you suppose will better maintain the engine, a Jeep owner or a Caravan owner? Hmmm?
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And the most important safety, I never put my booger hook on the bang switch unless I'm ready to fire.
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Old 07-29-2008, 12:30 PM   #18
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History has nothing to do with it.A 3.8 is still a mini van motor and a 4.0 is a Jeep motor.I would put a smiley in here but my computer at work won't let me.
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Old 07-29-2008, 01:17 PM   #19
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Well, you did now, in only the 3rd post! Well done!
congrats, you picked up my sarcasm!

but if maintained well the 3.8 is a long lasting engine, i won't argue that. they could've done worse, but its hard to change die hard 4.0 guys
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Old 07-29-2008, 01:28 PM   #20
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must resist, we've beat this thing to death. oh crap i can't. the buick motor sucked.
Literally ROFL!!!!!!!!!!!!!!!

Okay, let me get this point across and I very humbly make this point for I am at the bottom of the totem pole when it comes to Jeep history, knowledge and evolution.

IMO, I think the new Jeeps (speaking from driving my friend's '09 Jeep) have become a bit homogenized and mainstream. The older Jeeps were raw, powerful, and really only fit a certain genre of people. Case in point: The 1st generation Dodge Vipers were loud, had no A/C, very powerful, and had raw and bold lines. The new Vipers, however, are more subtle and less vicious.

My dad has a YJ which I like but the slight nuanced front lights, exemplified Jeeps shift into evolution for the masses. They did, however, shift back to the days of yore by changing back to the older lights after the YJ. People didn't want soft lines or new things, they wanted their old Jeep back which is so ingrained and part of our off road automotive fabric and history.

Look at what Ford has done with the new Mustangs. Look at what Chevy has done with the new Camaros. Look at what Mopar has done with the Challengers and Chargers. No, they are nothing like their classic predecessors but they are not evolving to new space age bizarro designes. They are reverting to the golden times. They are re adapting the old lines that made muscle cars.

I saw a guy in an '09 Rubicon and he had 22 inch wheels chromed to the 9s, he had what it sounded like a $4k sound system. He had funky Xenon type lights he added. He also had his windows up with his A/c blasting. That's not a Jeep but a mini Hummer.

Jeeps aren't Hummers. I frown upon people that own Hummers because I ask the question: "Why?" Why????? Why????? Is bigger really better?

O well. Sorry for the rant but my Jeep has no A/c, no doors(95% of the time), and is just a TJ pretending to be a CJ 'back in the day.'
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Old 07-29-2008, 01:49 PM   #21
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I've had both: the CJ and now the TJ. I will say, I like the TJ much better....(no disrecpect to the CJ drivers). Fuel injection, front disks, electric wipers, a heater that really works and the I6 is a nice motor. I love the fact Jeep went back to the old school body of the CJ with the round lights.

My previosu CJ was an I-4 and could not break 50 on the highway with a tailwind. However, my brother had a V-6 in his CJ and that motor had some major balls. I once saw him pull a 4 wheel drive hole shot in front of the house. No kidding, at least 200 feet before he blew the front axle. Simply amazing.

I have not had an opportunity to drive the newer Jeep, but I would imagine it doesn't suck.
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Old 07-29-2008, 05:46 PM   #22
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well put hedonist, i agree. and that buick v6 i've driven about 5 or 6, and each one was a major dog, i thought i was driving a 4 banger, so thats confusing.

but i can't agree with anyone saying they took the tj back to a cj style. thats just flat out wrong. just cuz they made the headlights the same shape, doesn't mean it has anything to do with a cj. every yj body part would bolt on a cj and vice versa. tj completely changed the body, and the interior was the first car like interior.

every model change becomes more road friendly, chrysler wants to keep selling jeeps, so they're gonna cater to what the market needs. i don't always care what the market is doing.

but i do wish there was a yj w/ factory d44's and lockers.
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Old 07-29-2008, 05:47 PM   #23
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congrats, you picked up my sarcasm!

but if maintained well the 3.8 is a long lasting engine, i won't argue that. they could've done worse, but its hard to change die hard 4.0 guys
The "die hard" 4.0 guys are new comers. Those of us who have been driving Jeeps for decades absolutely remember not only the Buick V6's, the AMC V8's and of course the motor that beat the 4.0 hands down the 258 I6. So you 4.0 guys just have to remember that the 4.0 came late in a long history of Jeep motors and the V6 is just the newest engine as Jeep continues to improve their product.
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Old 07-29-2008, 05:51 PM   #24
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The "die hard" 4.0 guys are new comers. Those of us who have been driving Jeeps for decades absolutely remember not only the Buick V6's, the AMC V8's and of course the motor that beat the 4.0 hands down the 258 I6. So you 4.0 guys just have to remember that the 4.0 came late in a long history of Jeep motors and the V6 is just the newest engine as Jeep continues to improve their product.
i gotta ask how the 258 beat the 4.0? the 4.0 was built on the exact same platform, got a shorter stroke and bigger pistons to make it a little more road friendly, and got fuel injection. thats really the only difference. the 258 is a great motor, but its a dog, full of torque, strong as an ox. the 4.0 was about as far as they could go on that platform when they upgraded the intake and ignition.
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Old 07-29-2008, 05:58 PM   #25
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No computers, no injection, no problems. The 258 just lasted and lasted and... easy to work on too. An engine that just did what it was supposed to. The move to the 4.0 (back in the day) was just as much as sell out as I hear from the 4.0 guys about the V6.

This is my 6th Jeep over the past 30 years and without a doubt, it's the best (imo) Jeep so far.
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Old 07-29-2008, 08:01 PM   #26
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i can't see how there was such a problem switching to the 4.0. the last few years of the 258 had such problems with emissions restrictions, they were rediculous. people hated it in the last few years, only cuz of the carbs being so cluttered up with emissions that they wouldn't run right.

i told myself i wouldn't get into this with this thread, cuz we did this already. but this is different. i love these conversations
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Old 07-29-2008, 08:44 PM   #27
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I can't see how there is still resistence to the V6
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Old 07-29-2008, 11:17 PM   #28
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I can't see how there is still resistence to the V6

Because it has no low end grunt like the straight six's had. They new Wrangler doesnt even feel like a Wrangler.
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Old 07-29-2008, 11:26 PM   #29
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You're right. It feels like the best wranglers - improved. The whole idea of advancement is to improve on the past. A 2008 Cadillac doesn't feel like a 1968 Cadillac - but it's better. These have the best brakes, ride, amenities, handling, power, fuel economy, suspension, sound systems, electronics (including factory lockers and front sway disconnect).... ever.

You may not like it but it's true.
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Old 07-30-2008, 07:19 AM   #30
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You're right. It feels like the best wranglers - improved. The whole idea of advancement is to improve on the past. A 2008 Cadillac doesn't feel like a 1968 Cadillac - but it's better. These have the best brakes, ride, amenities, handling, power, fuel economy, suspension, sound systems, electronics (including factory lockers and front sway disconnect).... ever.

You may not like it but it's true.
i cannot argue that the improvements to axles, disconnects and lockers are fantastic. who can argue against that, they should've done that a lot sooner. but there's a lot of pavement pounder rubicons rollin around. the interior was like a freeking 300m or some new car. and the motor just needs more power.

they're nice, my wife wants a 4 dr. they've made improvements that are gonna help them sell to a new group, but its not or me.

the cadillac arguement isn't valid to me, cadillac has always strived for one direction, top of the line, luxury. jeep went from rugged off road, to a direction i'm not gonna describe to not offend anyone.

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