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Series I Tech Garage The place to discuss anything technical about the RX-8 that doesn't fit into any of the categories below.

Type of Oil Do You Use?

Old Jan 12, 2005 | 04:39 PM
  #26  
aggietiff28's Avatar
Mean Green Keeny Machine
 
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From: NRH
Castrol GTX 5W-20. But the dealer uses Motorcraft 5W-20 which is a synthetic blend. Supposedly I don't need to change my oil but every 5,000 miles (but I am not sure I agree with that).
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Old Jan 13, 2005 | 09:02 AM
  #27  
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From: Chattanooga, TN
I used Penzoil 5w-20 early on but found that Castrol leaves less soot crap on the pipe tips, so I have been a Castrol user for 7k miles and like it a lot.
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Old Jan 13, 2005 | 11:08 AM
  #28  
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Do all dealers use Motorcraft 5W-20 (synthetic blend)?
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Old Jan 13, 2005 | 12:00 PM
  #29  
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From: Lincoln, Nebraska
Our dealer does, I even e-mailed Mazda because of the synthetic blend caption and they said it was fine.
Les
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Old Jan 14, 2005 | 12:12 AM
  #30  
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Penzoil 5w-20
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Old Jan 14, 2005 | 01:50 AM
  #31  
Mr. Ed's rx-8's Avatar
no more 8
 
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From: Mid-Cities area, TX
castrol here
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