Oil Gaurd Analysis
2000 Jeep Wrangler TJ
2.5L OHV I-4
Schaeffer 15W-40 Blend
Purolator PP Oil Filter 40017
Current Miles 46,473
Miles on oil 5,779
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 last interval w M1 10W-30 3K miles
2nd Column is latest interval w Schaeffer
Copper 3 6
Iron 29 20
Chromimum 1 1
Aluminum 3 0
Lead 1 0
Moly 79 60
Phos 1041 -
Zinc 947 -
Mag 62 -
Cal 2939 -
Anti Freeze % 0 0
Fuel Dilution % 0 0
H20 % .2 .0
Silicon 5 4
Cst 9.65 14.5
SAE 30W 40W
Sulfur 35 -
Oxd % 21 11.6
Nit % 23 1.2
TBN - 7.5
Overall I'm very well pleased with how this oil performed this spring @ summer. Will be doing the same routine next summer. For fall @ winter I mixed up 3qts Schaeffer 10W-30 @ 2 1/4qts 15W-40 Blend.
2000 Jeep Wrangler TJ
2.5L OHV I-4
Schaeffer 15W-40 Blend
Purolator PP Oil Filter 40017
Current Miles 46,473
Miles on oil 5,779
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 last interval w M1 10W-30 3K miles
2nd Column is latest interval w Schaeffer
Copper 3 6
Iron 29 20
Chromimum 1 1
Aluminum 3 0
Lead 1 0
Moly 79 60
Phos 1041 -
Zinc 947 -
Mag 62 -
Cal 2939 -
Anti Freeze % 0 0
Fuel Dilution % 0 0
H20 % .2 .0
Silicon 5 4
Cst 9.65 14.5
SAE 30W 40W
Sulfur 35 -
Oxd % 21 11.6
Nit % 23 1.2
TBN - 7.5
Overall I'm very well pleased with how this oil performed this spring @ summer. Will be doing the same routine next summer. For fall @ winter I mixed up 3qts Schaeffer 10W-30 @ 2 1/4qts 15W-40 Blend.