No worries. It might not lubricate as well as the synthetic, but it will certainly will not do any harm.

 

Yep, by topping it off, albeit w/ conventional oil, she did you a favor. At least she didn't continue driving it and then get home and say something like this:

"Honey, the little red oil light thingy came on in the S2000 this morning. Nothing happened so I just kept driving. I just love hitting red line in that car. Hope it's okay".



The only thing that I've heard about mixing convertional and synthetic is that you have to consider ALL of the oil as convetional, and treat it as such, meaning change it at 3,000 miles (filter too).

Warren

 

[QUOTE=chinba82,Jan 7 2007, 06:23 PM] I just found out today that

 

Car is ruined.
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You'll be fine. Cars did just fine before synthetics came along.

 

Sweet, my wife would have no clue how to even check the oil level.

I don't use synthetic at all, no worries. It's a Honda, you could run vegetable oil in it and it would be a-okay!

 

As long as it is the same viscosity (10W 30 etc) then you should be fine.

 

I'm reading about "home-oil-mix" on BITOG all of the time.
People that mix a 5W-30 with a 10W-40 to create a 7.5W-35 or simular.
To get the best mixed results you should use the same brand and type.

In this case brand-type-whatever is a NON ISSUE.
IMO

There is no mention at all in the manual to change dino oil every 3000 miles because its dino, btw.