<VV> Oil, No Corvair

[Bill Elliott]

There are oil experts who say that you should use the lightest oil that you 
can keep sufficient pressure with.... there are guys running around in 
Ferraris that call for 10W-50 oil and running 0W-20.

But I think this is valid only if you can accurately measure the oil 
pressure and know that the oil you've selected in keeping sufficient 
pressure.

In modern cars, I think only the temperature at cold start is really 
critical... otherwise they are going to run pretty close to the same 
operating temps. So I think San Diego likely means that the 5W versus the 0W 
is okay, but not necessarily the 30 versus 40.

I doubt the 30 weight oil is going to cause serious issues, but were it my 
car, I'd put 40 in it.

Bill

----- Original Message ----- 
From: "Ron" <ronh at owt.com>
To: <virtualvairs at corvair.org>
Sent: Wednesday, March 17, 2010 00:38
Subject: <VV> Oil, No Corvair


> All you oil experts:
> My daughter sent a message as she's very concerned about her Chrysler 
> Crossfire (Of which I'm very envious).  She had the oil changed in San 
> Diego and they used Synthetic 5W-30 whereas the manual calls for Synthetic 
> 0W-40.  I say that it should be fine for the San Diego climate where it 
> never gets cold or hot and it may even be better.  Is this a valid 
> assumption or should I have said something different and does she have a 
> valid concern?
> Thanks,
> RonH
> _______________________________________________
>