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Hi....I'm getting the "oil change due" message on the DIC. Can I add GM Engine oil supplement to the synthetic fluid I'm running for a couple of hundred miles to clean up the combustion surfaces, or am I wasting my time/money?
Hi....I'm getting the "oil change due" message on the DIC. Can I add GM Engine oil supplement to the synthetic fluid I'm running for a couple of hundred miles to clean up the combustion surfaces, or am I wasting my time/money?
TIA
GM OES goes in the oil for increasing the ZDDP amount...and that GM OES is a pretty well balanced formula that works with "synthetic" lubs as well.
Yeah....I know what you mean. But, on my 70 LT1, I used to run it for 3-400 miles just before I changed the conventional oil. It (EOS) is a great additive for sure, I used it as assembly lube building engines.
I thought I would put the question out there to see what answers came.....I didn't know if there would be a problem adding it to synthetic oil....