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Unread 02-19-2015, 07:34 PM   #1
pjbenson
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Anyone heard of an inline 4 YJ

Hello Everyone,
I am brand new to the forum and a brand new Jeep Owner. Bought my YJ last month from a family friend and have an interesting question. Why is my engine an Inline 4 and is this normal for older YJ's? I have the RioGrande edition I don't know if that makes any difference.

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Unread 02-19-2015, 07:43 PM   #2
Leadmine
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inline 4, 2.5 liter, probably a couple million out there running around. One sitting in my garage right now.
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Unread 02-19-2015, 08:06 PM   #3
SunDevilJeeper
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Cylinders are in line, kinda like the term inline skates... wheels are in line. My 92 was an I4, now it's a V8. Old engine still sitting my garage too.
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Unread 02-19-2015, 08:12 PM   #4
The_Goob
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Pretty much every 4 cyl known to man is "inline 4."
Cant say I have ever seen a "v4" configuration though they do exist.
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Unread 02-19-2015, 08:28 PM   #5
baritone_mike
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I've got 2.5L of power oozing inline 4 parked in my garage right now.
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Unread 02-19-2015, 09:19 PM   #6
641Workmaster
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He's probably used to seeing "inline 4's" in the transverse position for use in front wheel drive cars.
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Unread 02-19-2015, 09:37 PM   #7
Drednot
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Most jeeps are inline 4 cylinder. Prior to 1966, all CJs were. Most YJs, and all rio grande editions are 4 cylinder. Half the TJs are 4 cylinder. Only 72 to 79(?) CJs and 07+(US) JKs didnt have a 4 banger available
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Unread 02-19-2015, 10:31 PM   #8
Outbreak
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Quote:
Originally Posted by The_Goob View Post
Pretty much every 4 cyl known to man is "inline 4."
Cant say I have ever seen a "v4" configuration though they do exist.
Except all the Porsche, Subaru, Continental, Lycoming, and Rotax flat/boxer 4 cylinders engines out there.
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Unread 02-19-2015, 10:40 PM   #9
plym49
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Quote:
Originally Posted by pjbenson View Post
Hello Everyone,
I am brand new to the forum and a brand new Jeep Owner. Bought my YJ last month from a family friend and have an interesting question. Why is my engine an Inline 4 and is this normal for older YJ's? I have the RioGrande edition I don't know if that makes any difference.
Some YJs have 4's and some have 6's. They are both inline engines and they are all mounted longitudinally (front to back, not sideways.)

The biggest difference is that the 4 cylinder YJs have a lot less power and give worse gas mileage.

Welcome and good luck with your Jeep!
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Unread 02-19-2015, 11:22 PM   #10
LJameson
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Quote:
Originally Posted by Drednot View Post
Most jeeps are inline 4 cylinder. Prior to 1966, all CJs were. Most YJs, and all rio grande editions are 4 cylinder. Half the TJs are 4 cylinder. Only 72 to 79(?) CJs and 07+(US) JKs didnt have a 4 banger available
If you reallllllyyyy wanted to get technical, JK's have 4 cylinder diesels available outside of NAFTA.
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Unread 02-20-2015, 12:18 AM   #11
Drednot
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Quote:
Originally Posted by LJameson View Post

If you reallllllyyyy wanted to get technical, JK's have 4 cylinder diesels available outside of NAFTA.
Thats why I put the (US) qualifier in there.
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Unread 02-20-2015, 12:25 AM   #12
Drednot
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Quote:
Originally Posted by Outbreak View Post

Except all the Porsche, Subaru, Continental, Lycoming, and Rotax flat/boxer 4 cylinders engines out there.
Don't forget the Ariel square four. And honda, yamaha, and suzuki had v-4s
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Unread 02-20-2015, 12:30 AM   #13
cheftrail
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Quote:
Originally Posted by Drednot View Post
Thats why I put the (US) qualifier in there.
you are good my friend!! I was about to respond the same way, didn't notice the quantifier
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Unread 02-20-2015, 01:16 AM   #14
SunDevilJeeper
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Quote:
Originally Posted by plym49 View Post
Some YJs have 4's and some have 6's. They are both inline engines and they are all mounted longitudinally (front to back, not sideways.)

The biggest difference is that the 4 cylinder YJs have a lot less power and give worse gas mileage.

Welcome and good luck with your Jeep!
Yeah, my 4 banger in my 92 wasn't worth diddly ****. This 4.0 in my new YJ though, good mileage and it does burnouts a little too easily. I think I might hold onto this thing for a while.
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Unread 02-20-2015, 01:19 AM   #15
cheftrail
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Quote:
Originally Posted by SunDevilJeeper View Post
Yeah, my 4 banger in my 92 wasn't worth diddly ****. This 4.0 in my new YJ though, good mileage and it does burnouts a little too easily. I think I might hold onto this thing for a while.
does your dad know that you are doing burnouts in his Jeep?
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