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Old 04-14-2008, 05:52 AM   #1
chockwald
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Default Recommended oil grade for Detroit Diesel 6V92 TA?

Just purchased a 1982 Newell with the DD 6V92 TA. The prior owner used Rotella T 40wt. Would Rotella T 15w-40 be better, just as good, or should I stick with the 40wt?
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1982 Newell 36’ DD 6V92 TA
2002 Thunderbird Retro
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Old 04-14-2008, 10:55 AM   #2
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Detroit Diesel ONLY recommends 40 wt CF-2 oil for their two-stroke diesels. Newell recommends, at least in the '90's model 8V92's, Mobil 1 synthetic oil in 15w-40 grade. If your engine has always run on 40 wt oil, I would stick with 40 wt CF-2. I would NOT run multi-grade dino oil in a DD two-stroke.

It can be hard to find so I would get extra (in diesels, extra means 10+ gallons).
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Old 04-14-2008, 03:16 PM   #3
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Thank you very much!
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Clarke and Elaine Hockwald - FULLTIMING!
http://whatnewell.blogspot.com
1982 Newell 36’ DD 6V92 TA
2002 Thunderbird Retro
Cannondale Tandem
Cannondale Bad Boy
Cannondale F600
2 Terra Trike Tadpoles
Intense 5.5 mountain bike
ALBUM: http://newellshowcase.com/thumbnails.php?album=213
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Old 04-14-2008, 04:12 PM   #4
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You are welcome Clarke. For more information on what Detroit Diesel says about diesel oil specifications for their two-strokes, click here.
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8V92 DDEC-2, HT740
PT Cruiser GT with Remco Transmission Pump
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Old 04-14-2008, 05:11 PM   #5
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Thanks....it is hard to come by, and was told by the guy at a local truck stop that 15w-40 would work OK, but I did some of the reading you referred me to, and actually pulled out the Detroit Diesel Operator's handbook, and it specifically says to use 40wt, and to only use 15w-40 in below freezing conditions. I found an online site and ordered 10 gallons of Rotella T 40wt.......
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Clarke and Elaine Hockwald - FULLTIMING!
http://whatnewell.blogspot.com
1982 Newell 36’ DD 6V92 TA
2002 Thunderbird Retro
Cannondale Tandem
Cannondale Bad Boy
Cannondale F600
2 Terra Trike Tadpoles
Intense 5.5 mountain bike
ALBUM: http://newellshowcase.com/thumbnails.php?album=213
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