[V8] Oil Weight

[kyle leatherwood]

The oil leaks I would not be concerned about. Like most everyone has already 
said, most of the cars already leak oil and being in the automotive service 
industry I can tell you that very few vehicles spring new leaks due to 
changing from dyno oil to synthetic.  Yes, the "varnish" that may be coating 
older seals that the synthetic oil  cleans away is true. However if the seal 
leaks because that "varnish" is gone away, the seal was bad to start with, 
or it was just being held together by a temporary patch or band-aid, the 
"varnish" on the sealing surface.

However..... In the case of the V8 engines, I WOULD WORRY about the fact 
that they run very low tension rings on the pistons due to their unique 
block and piston design. Synthetic oil, due to it's unique molecular 
structure which coats surfaces much better than dyno oil (impregnates the 
metal pores better) can in some (certainly not all, those of you who have 
used it without problems) cases cause excessive oil blowby past the rings 
and cause the vehicle to use or burn more oil than some of us may like or 
leave the fun "blue cloud" behind us as we accelerate.

Just my 2 cents.

Thanks for the help on the coolant gauge/ fuel gauge question everyone!!!

Kyle


>From: Ron Wainwright <ron_01056 at yahoo.com>
>To: v8 at audifans.com
>Subject: Re: [V8] Oil Weight
>Date: Wed, 29 Nov 2006 13:00:11 -0800 (PST)
>
>
>Hey Allan that guy musta been a very very wise man ;-P
>But yah I wouldn't use it..Dyno oil for me!
>
>& I run 20/50W Castrol year round in all my V8's.
>
>  Ron
>90 CQ 2.6l 20vt 600whp stroker project
>& lots & lots of V8's :-)
>
>Date: Wed, 29 Nov 2006 14:50:27 -0500
>From: "Allan"
>Subject: Re: [V8] Oil Weight
>To: "Bill Hitzler" ,
>Message-ID:
><005201c713ef$9e7f8fe0$65010a0a at cnr6f737873d37>
>Content-Type: text/plain; format=flowed;
>charset="iso-8859-1";
>	reply-type=original
>
>Dont listen to that guy. Do your own research( Iwish I
>did) I was
>warned not
>to swap to synthetic, but I did anyway. My car ended
>up using 1qt every
>500
>miles before I got rid of it. DO YOUR OWN RESEARCH.
>You wont be
>sorry.Al
>----- Original Message -----
>From: "Bill Hitzler"
>To:
>Sent: Wednesday, November 29, 2006 2:12 PM
>Subject: [V8] Oil Weight
>
>
> >I started using Mobil 1 0w/40 about 20 months ago and
>have run it year
> > round ever since. Summers get up to 70-75 degrees
>while winter will
> > occasionally dip to about -25. My 1990 V8 with
>145,000 miles really
> > seems to like this oil and I do too. Don't worry if
>you've never run
> > synthetic in the vehicle before those concerns
>haven't been valid for
>at
> > least 20 years. Good Luck, William
> >
>
>
>
>
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