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Volvo8873 · 10-12-2020, **(Subject: C13 )**

I drove a 2003 Freightliner Columbia day cab with a Cat C12 a couple times in my company driver days. Governed at 70Mph@1400rpm. Truck could never get out of its own way. Guessing rear ends were 3.02 maybe or 2.64? I don’t know...

GAguy912 · 10-12-2020, **(Subject: C13 )**

I appreciate all the information guys (so glad no one just bashed the f$%k out of the truck and engine) yes I’m getting some more information on the truck with the C15 found one with decent miles and decent price.

GAguy912 · 10-14-2020, **(Subject: C13 )**

Should I run the overhead on the C12 if I purchase it? What other small maintenance should be done that you guys can advise me to do?

Lonestar10 · 10-15-2020, **(Subject: C13 )**

Overhead and service any sensors or systems that would effect fuel management just like a cummins

GAguy912 · 10-19-2020, **(Subject: C13 )**

What’s the best engine oil for a CAT engine?

Rawze · 10-20-2020, **(Subject: C13 )**

(10-19-2020 )GAguy912 Wrote: What’s the best engine oil for a CAT engine?

If I owned one, I would be using Delvac in it + 10% mix of gear lube.

GAguy912 · 11-03-2020, **(Subject: C13 )**

Would any of y’all install the Amsoil dual bypass oil filter system on this C12? Is it a good thing to do?