you know you drive a ZJ when... - Page 607 - JeepForum.com
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post #9091 of 10763 Old 11-14-2013, 02:55 PM
CareyKimber
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1997 ZJ 
 
Join Date: Feb 2012
Location: Mannford
Posts: 147
Drive it like you stole it cause its been snowing outside.

http://www.jeepforum.com/forum/f22/k...build-1626817/


http://www.jeepforum.com/forum/f22/kimber-zj-build-1626817/
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post #9092 of 10763 Old 11-15-2013, 12:42 PM
JFcavedweller
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1999 TJ Wrangler 
 
Join Date: Aug 2010
Location: Lynchburg
Posts: 417
goal was to make the engine last to 300k. down a piston skirt at 254k.


O|||||||O - '99 TJ
■|||||||■ - '97 ZJ
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post #9093 of 10763 Old 11-15-2013, 01:31 PM
970001zj
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1997 ZJ 
 
Join Date: Feb 2012
Posts: 2,609
when it runs rough and you see this 10 inch circle of burnt crap from the tail pipe



hmmmmmm , plenum or rings ?

97 zj orvis/04 wj ltd
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post #9094 of 10763 Old 11-15-2013, 01:34 PM
Scopez
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1994 ZJ 
 
Join Date: Oct 2011
Location: Aiken
Posts: 1,751
Quote:
Originally Posted by 970001zj
when it runs rough and you see this 10 inch circle of burnt crap from the tail pipe hmmmmmm , plenum or rings ?
I wouldn't say it's the plenum, my ram has a blown plenum and I only see it smoke at start up. It's never ran rough. Get a compression test on it.

94 ZJ Laredo. 5.2 Crate engine. 6in JKS SA Lift. 33in Destination MTs. ARB Front Bumper.
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post #9095 of 10763 Old 11-15-2013, 02:21 PM
comptiger5000
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1998 ZJ 
 
Join Date: Jan 2009
Location: Rochester, NY
Posts: 4,556
Could just be a bunch of carbon buildup. If you don't beat on the motor much, take it out for a good, long drive (20 - 30 miles) and once it's good and warm, beat on it a bit (some WOT pulls from 40 - 70 would do it). That should clean it out a bit. However, if it's carboning up badly, it could point to a bad plenum. How much oil does it use?
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post #9096 of 10763 Old 11-15-2013, 02:34 PM
970001zj
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1997 ZJ 
 
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Quote:
Originally Posted by Scopez View Post
I wouldn't say it's the plenum, my ram has a blown plenum and I only see it smoke at start up. It's never ran rough. Get a compression test on it.
it has a ... personality

Quote:
Originally Posted by comptiger5000 View Post
Could just be a bunch of carbon buildup. If you don't beat on the motor much, take it out for a good, long drive (20 - 30 miles) and once it's good and warm, beat on it a bit (some WOT pulls from 40 - 70 would do it). That should clean it out a bit. However, if it's carboning up badly, it could point to a bad plenum. How much oil does it use?
it can use a qt or two between changes

i did an italian tune up today and a few wot pulls in the yard to loosen it up

it shook some before i changed the oil a few days ago but stopped for a few days then yesterday and today its been running rough again

it hasnt seen hiway miles for a few weeks i think im gonna put some seafoam in the tank and see what it does

97 zj orvis/04 wj ltd
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post #9097 of 10763 Old 11-15-2013, 02:43 PM
comptiger5000
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1998 ZJ 
 
Join Date: Jan 2009
Location: Rochester, NY
Posts: 4,556
Quote:
Originally Posted by 970001zj View Post
it can use a qt or two between changes
How long do you go between changes?
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post #9098 of 10763 Old 11-15-2013, 05:11 PM
Scopez
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1994 ZJ 
 
Join Date: Oct 2011
Location: Aiken
Posts: 1,751
Quote:
Originally Posted by 970001zj
it has a ... personality it can use a qt or two between changes i did an italian tune up today and a few wot pulls in the yard to loosen it up it shook some before i changed the oil a few days ago but stopped for a few days then yesterday and today its been running rough again it hasnt seen hiway miles for a few weeks i think im gonna put some seafoam in the tank and see what it does
Run some seafoam in the brake booster line!

94 ZJ Laredo. 5.2 Crate engine. 6in JKS SA Lift. 33in Destination MTs. ARB Front Bumper.
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post #9099 of 10763 Old 11-15-2013, 05:22 PM
Jake_A
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Join Date: Jul 2013
Location: holbrook
Posts: 343
YKYDAZJW - A decent 5.9 pulls up next to you at a red light, and you cant hold back the urge to make a stupid offer. $2k, cash.

He didnt take it

Its a Johnny cash song - Engine is 98, trans is 95, body is 96, doors from a 94
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post #9100 of 10763 Old 11-15-2013, 06:07 PM
CrzyMtnMan
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1996 ZJ 
 
Join Date: Jul 2010
Location: Salem, VA
Posts: 258
When the loud noise coming from the front end becomes soft and comforting.

1996 ZJ - That 2nd Oxygen sensor, yeah some serious butt connectors and heat shrink there, how is that for off road modification! - Still stock.
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post #9101 of 10763 Old 11-15-2013, 06:26 PM
970001zj
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1997 ZJ 
 
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Quote:
Originally Posted by comptiger5000 View Post
How long do you go between changes?
2-3 months

Quote:
Originally Posted by Scopez View Post
Run some seafoam in the brake booster line!
haha no

97 zj orvis/04 wj ltd
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post #9102 of 10763 Old 11-15-2013, 06:26 PM
CrzyMtnMan
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1996 ZJ 
 
Join Date: Jul 2010
Location: Salem, VA
Posts: 258
When you see all the fancy newer Jeeps with that sticker, " It's a Jeep thing you wouldn't understand." I just think to myself, driving my ZJ lives out that statement, no need for a sticker or even the comment.

1996 ZJ - That 2nd Oxygen sensor, yeah some serious butt connectors and heat shrink there, how is that for off road modification! - Still stock.
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post #9103 of 10763 Old 11-15-2013, 08:20 PM
comptiger5000
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1998 ZJ 
 
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Location: Rochester, NY
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Quote:
Originally Posted by 970001zj View Post
2-3 months

haha no
I meant number of miles, as that'll give a better idea of how significant the oil consumption actually is.
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post #9104 of 10763 Old 11-16-2013, 09:07 AM
970001zj
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1997 ZJ 
 
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Quote:
Originally Posted by comptiger5000 View Post
I meant number of miles, as that'll give a better idea of how significant the oil consumption actually is.
2,-3k or when it looks dark

and i use valvoline max life 5w-30 in the winter

i notice it usually needs some oil after high speeds ( 70+ )

97 zj orvis/04 wj ltd
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post #9105 of 10763 Old 11-16-2013, 09:24 AM
comptiger5000
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1998 ZJ 
 
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Location: Rochester, NY
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Quote:
Originally Posted by 970001zj View Post
2,-3k or when it looks dark

and i use valvoline max life 5w-30 in the winter

i notice it usually needs some oil after high speeds ( 70+ )
That's definitely a good bit of consumption then. I go through about a 1/4 - 1/2 quart in 6k between changes. Running it harder definitely goes through more, especially in hot weather. A good bit of mine goes through the PCV though (I've got a catch can on it and I end up with a good bit in there if I beat on it during the summer).

Definitely check out your PCV, etc. When my plenum started to go (just a small leak), I was burning a quart in 3 - 4k miles, which dropped dramatically after doing the plenum.
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