Amsoil 5W/30, 11500 Mi, Toyota Land Cruiser '99 4.7L V8

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Apr 24, 2004
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Chicago, Il
Here is the info on my last two tests. The first is over 9 months and 12,000 miles. Lots of short trips 3-5 miles (soccer mom had the truck). The second is 95% highway, long trips and 11,500 miles over a time period of 3 months. I inherited the truck and now use it for business. I drive 75 - 85 mph all of the time, tow a race car and snowmobile trailer both over 4000 lbs. I use Purolator Pure-One oil filters and change at the 5-6k mark. I moved to a purolator air filter from a NAPA on the second test. Universal averages are the third column but Blackstone says they are typically from the 5000 mark. It seems to look good.

Al 2, 3, 3
Cr 1, 0, 0
Iron 12, 14, 7
Copper 7, 12, 10
Pb 1, 2, 4
Tin 0, 2, 1
Moly 0, 0, 0
Ni 0, 0, 0
Mn 0, 0, 1
Boron 21, 22, 62
Si 15, 26, 18
Sodium 5, 5, 5
Ca 2130, 2075, 2259
Mg 700, 672, 223
Phos 832, 835, 754
Zn 1057, 1010, 897
SUS Visc @210 71.4, 72.3
Flash Pt 380, 405
Fuel Anti Freeze 0, 0
Water 0.0, 0.0
Insol 0.5, 0.4
TBN 2.6, 2.8

I filled this motor with GC and should see a result in Late January. There is 93,000 on this engine as of the last oil change.

Can anyone tell me how to post the PDF - it would take a lot less time.
 
Well the silicon is high, but doesn't seem to have hurt you. Decent report. Look at the filter/intake and especially the duct that goes from the filter to the manifold for leaks. Not sure why the copper is up.
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