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Prolong



Counterpoint: I have an '87 Escort I bought brand new in ... '87.  I've
never put synthetic oil in it, nor engine treatment stuff.  I changed the
oil about every 2700 miles.  At 110K very hard-driven miles (including
about 35 tires, new brakes, broken rack from rack-and-pinion steering, two
broken wheels at different times, two broken springs at different times,
and even three broken motor mounts at one time), compression is still
within factory-spec for NEW.  

You don't need synthetics, and you don't need to drive it gently.  You just
need to change that thar oil.

Fringe
'97 2.8L (12V) stickshift A4Q (17K miles, near end of treadwear on TWO sets
of tires, already broken/replaced one wheel.  I've gone easy on this one.)

George_Earle@chordiant.com wrote:
>Snake oil or not, I have used Slick 50, and Mobil 1, Duralube and Mobil 1,
>and now Prolong and Castrol Syntex (Castrol advertises the same qualities
>
>as Prolong et al--Mobil 1 is the patent owner of all synthetics) in all my
>high power, turbo cars since 1985;  13 years.
>
>I have had 3 Mitsu Starion turbo cars, 1 Audi V8 (still own), and 1 Dodge
>Stealth Twin Turbo AWD (still own).  I took one of the Starions to 140k
>plus before I sold it--that one I replaced the turbo, NOT because of oil
>deprivation or coking, but because they weren't built back then with turbo
>bypass valves and eventually the turbine blades were bent back that it
>threw off its balance causing the turbo to stop.
>
>I have 80k plus on the V8.  I have 155k on the twin turbo Stealth (has
>bypass valves).  No turbo problems yet.  If anything's gonna eat oil for
>lunch, it's turbos.
>
>Maybe it's maintenance and the synthetics, although I am religious about
>oil levels, I'll go to 4k to 5k miles between changes (remember it's
>synthetic, and i only use Wix or Fram filters).
>
>I think it's both the synthetic oil and the friction additives.
>
>But I ain't changing with my experience, snake oil or not.
>
>Shoot, if electronic engineers can make a 0.1 micron transistor, why can't
>chemical/ petrol engineers make better oil?