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PT & WB (Twin Axle Pusher Unique Issues) If you have a unique issue with your PT or WB model coach and it can't be answered in one of the other forums here, then this is where you can list it....list your PT Parts here too.

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  #11  
Old 05-13-2019
DW SD DW SD is offline
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That sounds ominous.
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  #12  
Old 05-13-2019
badandy badandy is online now
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It just had those 3 on it?
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  #13  
Old 05-13-2019
badandy badandy is online now
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If an engine has been sitting a lot the condensation does things to aluminum and iron, like corrode them. Also, the way you draw the oil sample from the engine changes the results dramatically. All oil analyses seem to indicate that you are on the edge of complete destruction for some reason. I gave up on them years ago, but these were on engines I knew already, not ones I was considering buying.

How is the oil pressure? How is power going down the road?
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  #14  
Old 05-13-2019
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Quote:
Originally Posted by DougF View Post
Hi all just got test back on oil sample, does anyone have experience and is knowledgeable with the reports? They want to do a Analytical Ferrogram. Here is what the was in the report.

Suggest checking compression and for engine breather passing oil (blow-by) or similar diagnostics and monitoring engine fault codes. We recommend an Analytical Ferrogram be performed for this sample to clarify the type of wear and/or contamination present. Please contact Customer Service for additional test information. Cylinder region metals (pistons, rings, liners etc.) are at a SIGNIFICANT LEVEL; Please provide missing lubricant information. Manufacturer, product name, and viscosity grade are needed to properly evaluate lubricant properties. Action;

Looks like
Iron 63 ppm
Chromium 2
aluminum 20 ppm red

Any input or advice would be great.
From their questions it seems doubtful that they knew the oil sample was from a 2 stroke 92 series Detroit Diesel engine?

Running 15/40 oil may also have skewed the results and/or added to the amount of wear.

All in all, the chromium and iron don't look too unusual for a 92 series Detroit but the aluminum is near the upper limit (my aluminum is usually 1ppm or less than 1ppm). As mentioned earlier, a single snapshot oil analysis doesn't give you a lot to base the health of an engine on - good or bad.

What did the other 20 or so test result numbers show? Water, lead, tin, zinc, fuel, coolant etc, etc.....
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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  #15  
Old 05-13-2019
DougF DougF is offline
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I have attached report.
Attached Files
File Type: pdf 1983-BLUEBIRD-E-I-529078-Sev3.pdf (99.0 KB, 38 views)
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  #16  
Old 05-14-2019
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Quote:
Originally Posted by DougF View Post
I have attached report.
For comparison, here are some 6V92 oil analysis results that Shane Fedeli posted several years ago:

https://www.google.com/url?client=in...41n1hGUVdTLzQt
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1991 40' WLWB-WTB
Body Number F095567
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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  #17  
Old 05-14-2019
DougF DougF is offline
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What would be cause of high aluminum? I pulled sample from dip stick.

Now only reason I pulled sample to see if At had glycol in oil, which after talking to testing company they said they see no sign of glycol, they recommend to change oil run for another service interval and retest. What I have read is if I was having a piston problem wouldn’t I see Tim also? So like was said earlier this is just a snap shot. So I’m on the fence here and know I need to make a decision with the limited information I have at hand. Any wise input would be greatly appreciate.

Worst case I have to do an in frame?

Best case nothing major is wrong. Or any where in between

Thanks for everyone’s input, and time.
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  #18  
Old 05-14-2019
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Its been many years since i had an Oil sample tested.
But back then they wanted the engine hot and wanted a sample out of the drain plug.
I never heard of getting a sample from the dipstick tube.
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  #19  
Old 05-14-2019
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Buy a know Coach. You know it has the wrong oil in it now. How many other times has the wrong oil be run?
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  #20  
Old 05-14-2019
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FYI
https://www.blackstone-labs.com/info.../gas-sampling/
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