Transaxle oil testing results

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  #1  
Old 06-15-2006, 08:23 AM
bwilson4web's Avatar
Engineering first
Thread Starter
Join Date: Oct 2005
Location: Huntsville, AL
Posts: 5,613
Wink Transaxle oil testing results

Hi folks,

The detailed analysis is available at:

http://hiwaay.net/~bzwilson/prius/pri_toil.html

This includes charts for:

1) viscosity change over miles
2) wear material change over miles
3) additive material change over miles

Feel free to offer any comments or suggestions. I claim no special knowledge, just the results of six oil samples, two baseline and four used samples.

My Amsoil ATF experiment continues but it looks like the next change interval should be between 12-17,000 miles. At my current rate of driving, we're looking at nearly 7-10 months of ordinary driving.

Bob Wilson
 
  #2  
Old 06-15-2006, 05:40 PM
philmcneal's Avatar
04 prius 350,000km
Join Date: Sep 2005
Posts: 517
Default Re: Transaxle oil testing results

awesome, sounds like the NHW11 can run forever if you keep changing its fluids!
 
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