[V8] Oil Weight

[Scott Simmons]

I used to run 15W40 in cars year-round here in KS but decided to switch 
to a lighter weight for the winter when highs will reach the low 20s. 
:)  Again, I have no first-hand knowledge and I hate passing on hear-say 
or gossip, but too thick of an oil on a really cold day has been known 
to make timing belts jump a tooth.  I take everything I hear with a 
grain of salt, but that came from a trusted source.  But that's on the 
same level as "makes seals leak," so *shrug*

As far as intervals for change, some of the newer Porsches were 
recommending 15,000 per oil change, and 20,000 for the filter.  That's 
nice that they trust their engines that much.. but.. uh... no way.  I 
change at least every 3-4 months because a) it's easy to do and b) it's 
the best thing you can do for your car. 

~Scott Simmons

bblake1055 at aol.com wrote:

>I've been running Amsoil 15-40 in all 5 of my V8's over the past 10 years and have never had a problem. I am in the Richmond Virginia area and seldom gets below 20 degrees
> 
>Mileage ranges from 86,000 on the 93 to 185,000 on the 1990.  I used to run Mobil 1 and switch to amsoil about 5 years ago.  I try to change it about every 10,000 miles
> 
>Bob Blake
> 
>90 V8
>91 V8
>92 V8
>93 V8
>93 V8 5-speed 
> 
>