synthetic oil
#4
JK Enthusiast
Join Date: Nov 2012
Location: Destin FL
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Many factors to add in to this question. I can add some information. My jeep does dd dutied and off road on weekends. I use synthetic and change it out on or around 5-6k. DD miles are low, 10 round trip on a long day. My work vehicles, 4-6l a month, I go 10-15k.
#5
JK Jedi
I was a professional ase certified mechanic for years, oil is a personal preference, the way up drive it will effect the oil....
Oil has 3 jobs to do:
1.) Lubricate
2.) Clean
3.) Disperse heat
This being said, if u drive ur jeep like it's a muscle car ur gonna need to change it before 3k, drive like a normal person u can get 6 (not recommended, from a professional standpoint) I wouldn't go ANY longer than that.
OIL COMPANIES made the "change ur oil every 3k"
AUTO MAKERS say "6k"
On my 3.8L I run full synthetic Castrol GTX with a Fram Tough Guard filter (my personal preference) and change every 2500 miles
Oil has 3 jobs to do:
1.) Lubricate
2.) Clean
3.) Disperse heat
This being said, if u drive ur jeep like it's a muscle car ur gonna need to change it before 3k, drive like a normal person u can get 6 (not recommended, from a professional standpoint) I wouldn't go ANY longer than that.
OIL COMPANIES made the "change ur oil every 3k"
AUTO MAKERS say "6k"
On my 3.8L I run full synthetic Castrol GTX with a Fram Tough Guard filter (my personal preference) and change every 2500 miles
#7
JK Jedi Master
You will find people who change synthetic at 3,000 miles, and people who change synthetic at 10,000 miles, (and more).
Calendar time is a factor, too. I change synthetic oil each April and October. I like to start the hot and cold seasons with fresh oil.
For me that works out to 6,000 miles on the oil.
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#8
Oil is very inexpensive, even synthetic. I change mine with Mobil 1 every 3k, couldn't imagine doing it every 6k. It's also a good time to grease anything that needs greased.
#10
JK Super Freak
Imo changin fully synth out every 3k is a waste specially if you are runnin good stuff with a good filter. Mobil . Rp . Amsoil . Motul. ide change it every 5k at minimum and 8k max. Or every 6 months or so. I usualy change before winter and before summer.