Quote:
Originally Posted by bad72amx
A tune cannot affect oil consumption unless it causes mechanical issues. That said, I don't think 1/2 quart would worry me in 4k miles. If your concerned, get on level ground, change your oil, idle for a few minutes, shut off and check, drive 4k miles, and check the exact same way again. That 1/8 inch difference between full and half on the dipstick could be as simple as difference in procedure.
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oh YES tune CAN affect consumption....if ya usin the wrong oil and ya boosting a lot more and running the engine harder your tune sure as hell can cause consumption to increase without any other inherent mechanical issue