Is it all right to mix engine oils?

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Jul 14, 2001 | 02:06 AM

WRS2K

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From: Kirkland

Is it all right to mix engine oils?

I think the dealership used 10/30, but I bought a quart of 5/30 oil by mistake. Is this all right for the engine?

Jul 14, 2001 | 06:52 AM

cdelena

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From: WA

no problem.

Jul 14, 2001 | 07:22 AM

Tedster

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From: Seattle

If you add half a quart of 5W-30 to your engine mostly full of 10W-30, you'll wind up with a bunch of 9.54W-30

Jul 14, 2001 | 10:03 AM

Utah S2K

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From: Ogden

No problem..........as previously stated

Jul 14, 2001 | 10:11 AM

xviper

Joined: Mar 2001

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Quote:

Originally posted by Tedster
If you add half a quart of 5W-30 to your engine mostly full of 10W-30, you'll wind up with a bunch of 9.54W-30 .

OK Ted, did you use a calculator to figure this out?

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