SiSOffRoad Forums  

Go Back   SiSOffRoad Forums > Tech & Fab > Tech Board

Reply
 
Thread Tools Display Modes
Old 09-12-2016, 10:40 AM   #1
Hydra
 
Hydra's Avatar
#heathen
 
Join Date: Sep 2008
Location: Middlebury, CT
Posts: 5,142
Hydra is an unknown quantity at this point
Default 4.7 HO Gobbles Oil

I purposely pour oil into the gas for the majority of my vehicles, but I've never had a Jeep eat oil like my Overland. From a quick search it seems really common, but I'm not seeing smokey start-ups, not seeing any leaks. My only thought was maybe the PCV valve was clogged up??

Anyone have any thoughts? If it's inherit to these motors I guess I can live with it... but I'd lke to minimize the amount of spare oil I need to carry around if I can
__________________
dirty30
Hydra is offline   Reply With Quote
Old 09-12-2016, 07:49 PM   #2
Pedro
 
Pedro's Avatar
4 prompt service, blow me
 
Join Date: Feb 2008
Location: Denville, NJ
Posts: 12,675
Pedro is an unknown quantity at this point
Default

Are you using synthetic?
__________________
P8R

2016 Rhino JKU Sport S - Nitto Tire - Fueled by Enthusiasts - 6 Speed Manual to grow penis length
2014 Granite Crystal WK2 Limited - Nitto Tire - Fueled by Enthusiasts - 8 Speed Automatic for speed


OG KOT #4736 Semper Sky Rock Racing/Standardbred Racing Designs 15.5 HP Turbo-Cool Craftsman, 6 Spd w/ crawl box, fat turf treads, Custom paint, and a red onzie
Pedro is offline   Reply With Quote
Old 09-13-2016, 11:57 AM   #3
Hydra
 
Hydra's Avatar
#heathen
 
Join Date: Sep 2008
Location: Middlebury, CT
Posts: 5,142
Hydra is an unknown quantity at this point
Default

Quote:
Originally Posted by Pedro View Post
Are you using synthetic?
Yarr
__________________
dirty30
Hydra is offline   Reply With Quote
Old 09-13-2016, 08:27 PM   #4
Pedro
 
Pedro's Avatar
4 prompt service, blow me
 
Join Date: Feb 2008
Location: Denville, NJ
Posts: 12,675
Pedro is an unknown quantity at this point
Default

That'll do it. Did you switch or the previous owner? Classic JeepForum argument. One kid literally told me he buys ten qts of synthetic at a time because he burns 4 qts in between changes yet still feels the better protection is worth it.......
__________________
P8R

2016 Rhino JKU Sport S - Nitto Tire - Fueled by Enthusiasts - 6 Speed Manual to grow penis length
2014 Granite Crystal WK2 Limited - Nitto Tire - Fueled by Enthusiasts - 8 Speed Automatic for speed


OG KOT #4736 Semper Sky Rock Racing/Standardbred Racing Designs 15.5 HP Turbo-Cool Craftsman, 6 Spd w/ crawl box, fat turf treads, Custom paint, and a red onzie

Last edited by Pedro; 09-13-2016 at 08:32 PM.
Pedro is offline   Reply With Quote
Old 09-14-2016, 02:17 PM   #5
Hydra
 
Hydra's Avatar
#heathen
 
Join Date: Sep 2008
Location: Middlebury, CT
Posts: 5,142
Hydra is an unknown quantity at this point
Default

Really? Dino oil to synthetic will cause that much? I guess I'll wait till next change and go back.
__________________
dirty30
Hydra is offline   Reply With Quote
Old 09-14-2016, 07:22 PM   #6
Pedro
 
Pedro's Avatar
4 prompt service, blow me
 
Join Date: Feb 2008
Location: Denville, NJ
Posts: 12,675
Pedro is an unknown quantity at this point
Default

Not usually, but on a higher mileage engine it can. that same kid brags about how he floors everywhere and beats EVOs in races..... So there's that.

I don't buy the whole synthetic is better jargon. For a jeep 4.7 it's useless in my opinion. Just change the Dino oil every 3k miles or six months like it calls for. I'm just a big "Use what the dealer recommended" kinda person. They tested that engine and built it to use 5-30 conventional, that's what I'm using.

Synthetic is probably causing some burning, but could be other reasons too going along with it
__________________
P8R

2016 Rhino JKU Sport S - Nitto Tire - Fueled by Enthusiasts - 6 Speed Manual to grow penis length
2014 Granite Crystal WK2 Limited - Nitto Tire - Fueled by Enthusiasts - 8 Speed Automatic for speed


OG KOT #4736 Semper Sky Rock Racing/Standardbred Racing Designs 15.5 HP Turbo-Cool Craftsman, 6 Spd w/ crawl box, fat turf treads, Custom paint, and a red onzie
Pedro is offline   Reply With Quote
Old 09-15-2016, 08:57 AM   #7
CumminsJeep
 
CumminsJeep's Avatar
Napa Know How
 
Join Date: May 2008
Location: Hackettstown, NJ
Posts: 11,944
CumminsJeep is an unknown quantity at this point
Send a message via AIM to CumminsJeep
Default

Synthetic will definitely do it in those. They typically have valve seal issues as well later on in their life which will add to the cause. My best luck with oil has always been with Valvoline Max Life High Mileage in a 10w-30 for my Jeeps
__________________
97 XJ - Living on within SIS
97 TJ

NAPAKNOWHOW
CumminsJeep is offline   Reply With Quote
Old 09-16-2016, 10:19 AM   #8
Hydra
 
Hydra's Avatar
#heathen
 
Join Date: Sep 2008
Location: Middlebury, CT
Posts: 5,142
Hydra is an unknown quantity at this point
Default

Thanks dudes. I don't mind so much that it's burning oil, but at $10 a quart I'd rather not. I'll replace the PCV valves just for gigs
__________________
dirty30
Hydra is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 08:13 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.