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#4682006 - 03/02/18 07:02 AM What figures are important?
Spetz Offline

Registered: 01/23/14
Posts: 365
Loc: Australia
Hi everyone,

I am not too familiar with UOA and just wondering if this is a sufficient enough test:

I run a car on a race track (non-competitively) and wanted to know how often to change the oil.
I use Shell Helix Ultra 5W40 on a 6A12 Mitsubishi motor with bolt ons.

I'd ideally run about 8 track days a year and would like to have annual OCI (which would result in about 1,000 miles total I would expect)
2003 Mitsubishi Diamante 6G74 3.5L. 5 Speed auto. 150,000 miles. Shell Helix Ultra 5W40 at 6k OCI

#4682020 - 03/02/18 07:33 AM Re: What figures are important? [Re: Spetz]
d00df00d Offline

Registered: 10/20/05
Posts: 11103
Loc: PA
Seems pretty barebones, but it should be okay for estimating OCI.
2011 Mazda RX-8 R3
Mobil Super 5w-20