« Reply #15 on: March 05, 2018, 09:18:46 AM »
The size of the oil sump is EVERYTHING.
Bigger the sump, longer the drain interval.
Truck engines have big sumps and long drain intervals. Bus engines have shallow pans, much shorter oil change interval.
Then you can brag/complain about howmuch oil it takes to change the oul?
Happy coaching!
Buswarrior
LOL I have 2- 8v92TA Military spec engines in the shop those suckers have 12 gal oil pans the standard for a bus or truck with a 8v92 was 7 gals 5 gals difference between a military truck engine and regular truck or bus engine that is a bunch
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