Oil Gaurd Analysis
2000 Jeep Wrangler TJ
2.5L OHV I-4
Schaeffer 3qts 10W-30 @ 2 1/4 qts 15W-40 Blend
Napa Gold Wix Oil Filter 1773
Current Miles 53,125
Miles on oil 6,652
Oil was in use for about 6 months and was normally brought up to operating temp. Oil temps range from 180-220 degrees.
Onroad driving uses a K@N FIPK cone filter setup and for offroading the stock factory airbox and paper filter are used.
1st Column is w M1 10W-30 3K miles
2nd Column is last interval w Schaeffer 15W-40 5779 miles, 3rd Column is latest interval
Copper 3 6 6
Iron 29 20 29
Chromimum 1 1 0
Aluminum 3 0 5
Lead 1 0 0
Moly 79 60 76
Phos 1041 - -
Zinc 947 - -
Mag 62 - -
Cal 2939 - -
Anti Freeze % 0 0 0
Fuel Dilution % 0 0 0
H20 % .2 .0 .0
Silicon 5 4 14
Cst 9.65 14.5 11.1
SAE 30W 40W 30W
Sulfur 35 - -
Oxd % 21 11.6 12.1
Nit % 23 1.2 2.5
TBN - 7.5 7.1
I'm satisfied with this combo in the TJ. Almost 7K miles and still a TBN of 7. Me figures I could go probably 10K miles on this combo. What do you guys think?
2000 Jeep Wrangler TJ
2.5L OHV I-4
Schaeffer 3qts 10W-30 @ 2 1/4 qts 15W-40 Blend
Napa Gold Wix Oil Filter 1773
Current Miles 53,125
Miles on oil 6,652
Oil was in use for about 6 months and was normally brought up to operating temp. Oil temps range from 180-220 degrees.
Onroad driving uses a K@N FIPK cone filter setup and for offroading the stock factory airbox and paper filter are used.
1st Column is w M1 10W-30 3K miles
2nd Column is last interval w Schaeffer 15W-40 5779 miles, 3rd Column is latest interval
Copper 3 6 6
Iron 29 20 29
Chromimum 1 1 0
Aluminum 3 0 5
Lead 1 0 0
Moly 79 60 76
Phos 1041 - -
Zinc 947 - -
Mag 62 - -
Cal 2939 - -
Anti Freeze % 0 0 0
Fuel Dilution % 0 0 0
H20 % .2 .0 .0
Silicon 5 4 14
Cst 9.65 14.5 11.1
SAE 30W 40W 30W
Sulfur 35 - -
Oxd % 21 11.6 12.1
Nit % 23 1.2 2.5
TBN - 7.5 7.1
I'm satisfied with this combo in the TJ. Almost 7K miles and still a TBN of 7. Me figures I could go probably 10K miles on this combo. What do you guys think?
