m6onz5a > wrote in
:

> On Tuesday, November 7, 2017 at 1:48:52 PM UTC-5, The Real Bev wrote:
>> I grew up on 10-30 or 20-40. This is SoCal. No freezing, lots of
>> heat.
>> Synth oil is nice, but expensive. The concept of 0-20 oil,
>> although
>> the manufacturer suggests/demands it, is just alien. We never
>> freeze, we just have to worry about the oil thinning out when the
>> ambient is over 100F.
>>
>> I assume I'm worrying needlessly now, but I'd like to know why.
>>
>> --
>> Cheers, Bev
>> It's 95% of the lawyers making the other 5% look bad.
>
> Today's motors have tighter tolerances and need thinner oils to keep
> things lubricated.
>

sorry but its strictly to meet gas milage specs. I wont use 0 anything
unless its dam cold out. or the very select few that need it to run special
valve timeing stuff that need a specific oil to function. KB