TwinTurbo.NET: Nissan 300ZX forum - 94 TT Amsoil UOA.
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Subject 94 TT Amsoil UOA.
     
Posted by Tanley on September 07, 2013 at 3:50 PM
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Message So I've seen a few posts on running Amsoil and just wanted to post the oil properties from a recent UOA. My 94 TT has 112,000 miles on it now, all stock. Oil was last changed in August 2012. Mileage was 109,000 at the change and 10W-30 Signature Series was used with an OEM Nissan filter. The viscosity came back slightly lower than it should be, so it may have begun breaking down towards the end of the year but the TBN was still pretty high.

On the fence about the one year drain interval now.

I'm not a chemist or oil guru but the viscosity seems too low for my liking. Almost 5W-30 territory.

Thoughts?

     
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