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Synthetic Oil VS low zinc

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Old Jul 20, 2008 | 10:57 PM
  #1  
Jonathan Dyer's Avatar
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Synthetic Oil VS low zinc

With all the talk of poor oil quality recently as mandated by the smog police does synthetic oil become a better option than mineral oil?
Jon

JSD MOD 20/07/08
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Old Jul 21, 2008 | 09:14 AM
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Re: Synthetic Oil VS low zinc

Huh?
No, synthetic has even less zinc.
The only reason you need zinc in your oil at all is for flat tappet cams. Get a zinc additive and use it with whatever oil you choose.
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Old Jul 21, 2008 | 11:37 AM
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Re: Synthetic Oil VS low zinc

If you're worried about zinc content, use Rotella. It has a very high zinc content since it is targeted at diesel engines.
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Old Jul 21, 2008 | 12:33 PM
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Re: Synthetic Oil VS low zinc

Originally Posted by MN246
If you're worried about zinc content, use Rotella. It has a very high zinc content since it is targeted at diesel engines.
I second this comment, the Rotella synthetic oil is excellent and will give you very good results.
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Old Jul 21, 2008 | 11:20 PM
  #5  
Jonathan Dyer's Avatar
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From: Montreal, Canada
Car: '83 Berlinetta
Engine: 383 CI
Transmission: T56
Axle/Gears: 3.73, Eibachs, Tokiko Illuminas,
Re: Synthetic Oil VS low zinc

Originally Posted by Sonix
Huh?
No, synthetic has even less zinc.
The only reason you need zinc in your oil at all is for flat tappet cams. Get a zinc additive and use it with whatever oil you choose.

I had been wondering if a synthetic oil had any properties that would allow it to perform better than low zinc mineral oil for a flat tappet engine.

BTW Thanks bjankuski and MN246 for the Rotella recommendation.
Jon
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