NB (1998-2005) NB Miata discussion within. In 1998, Mazda released the second-generation MX-5, production code NB, for the 1999 model year.

What oil do you use?

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Old Aug 15, 2011 | 03:18 PM
  #21  
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Originally Posted by Doppelgänger
Mobil1 isn't true synthetic read up on it. True synthetics are RedLine, Royal Purple, AMS Oil, Motul and Rotella, to name a few.



I run Rotella synthetic. Never had a problem.
add German Castrol 0w30 to the list of true synthetics. But its the only true synthetic made by Castrol.
Old Aug 17, 2011 | 11:35 AM
  #22  
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T6 5w40 makes my car happy.

I've used diesel oil in several older vehicles and they seem to like it but can be sluggish until warm.
Old Aug 17, 2011 | 02:04 PM
  #23  
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Originally Posted by djp0623
Rotella T6 5w-40 synthetic. I run this in everything, miata, echo, xterra, and next oil change the avalon
Same here...Miata, Mazda2, XTerra, and all the bikes.
Old Aug 17, 2011 | 02:21 PM
  #24  
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Mobil 1 0w-40 in the engine and valvoline 75w-140 in the diff with Royal Purple in the tranny.
Old Aug 17, 2011 | 03:35 PM
  #25  
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AMSoil everywhere, I don't remember the weights.
Old Aug 17, 2011 | 07:16 PM
  #26  
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i run t6. i hate mobil 1
Old Aug 23, 2011 | 08:30 AM
  #27  
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Mobil 1 0w-40 in the engine
Redline for tranny and diff
Old Aug 29, 2011 | 08:44 PM
  #28  
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M1 0-40
Old Aug 29, 2011 | 09:50 PM
  #29  
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M1 10-30
Old Aug 30, 2011 | 01:28 PM
  #30  
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Rotella T

Redline for the diff.



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