[FC] 'Extended Life' motor oils

[Dennis & Debbie Pleau]

I also switched to Mobil 1 on my last oil change and have quite a few new 
leaks.  I didn't even think of blaming the oil.  I'm due for an oil change, 
so I'll go back to dino juice and see if that helps.  I't much easier than 
a reseal.

dp

At 10:35 AM 3/3/2004 -0500, Dale K. Dewald wrote:
>At 21:19 03/02/04 -0500, Steve Turner wrote:
>
> >Thanks for the info on spark plugs.  I have wondered about the 'best' for
> >our Corvairs too.  Also what about the use of the 'extended life' oils for
> >our older cars?  Such as the Valvoline etc.  Thanks in advance for the
> >info.  Steve
>
>Hello Steve,
>
>My nonscientific experience:
>
>I had tried to use synthetic oil (Mobil 1) in my wife's 65 Monza 110/4 but
>the rear main seal, a pushod tube and oil pan gaskets began
>leaking.  Valvoline Maxlife had just been introduced and was advertised to
>stop leaking gaskets, so I tried it.  The seal conditioner in this oil must
>have worked because the rear main and oil pan gaskets stopped leaking.  I
>had to replace the pushrod tube O-ring because it had been damaged.   I
>thought it was curious that the (not severely) damaged O-ring did not begin
>to leak until I changed to synthetic.
>
>I have since switched to Vavloline Maxlife in almost all of my Corvairs and
>it has slowed or stopped several minor leaks.
>
>Dale Dewald
>Hancock (UP) MI