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Author Topic: Oil Question...Again  (Read 1933 times)
"The Norm"
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« on: August 11, 2011, 09:37:10 AM »

I called my local oil distributor in search of 40WT oil and they recommended Castrol Assuron 40WT specifically for a DD. It is API CF-2 and has an ash content of .80. Would this be OK to use or should I stick to the Shell Rotella or Delo 100? It is $12.70/gallon. Just wanted to get some feedback before I purchase any.

Thanks !!!
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1989 MCI 96A3 - 8V92TA - 4spd Auto
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luvrbus
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« Reply #1 on: August 11, 2011, 09:59:18 AM »

You are better off with anything besides the Rotella in a 2 stroke  lol


good luck
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Life is short drink the good wine first
"The Norm"
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« Reply #2 on: August 20, 2011, 05:20:17 AM »

We'll I did the oil change and we took the bus on a short 200 mile trip. We used to leak oil no matter what (I figured typical Detroit). We arrived at our weekend destination point and set up camp. After a couple of hour I checked under the bus to see if the oil helped the leaks,,,and there were none. WOW!! The PO most have used 15-40wt. Thank you bus gurus for the threads that said to stick to straight 40wt! What a difference!
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1989 MCI 96A3 - 8V92TA - 4spd Auto
The conversion has started.
belfert
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« Reply #3 on: August 20, 2011, 01:50:35 PM »

I would recommend anyone that buys a used bus to change the oil right away.  You never know how many miles or month/years is on the oil.  For a 2 stroke you have no idea if the right weight oil was used.  I had the oil in my bus changed before I drove it 1,400 miles home.

It really isn't that hard to find 40 wt CF-2 oil.  Around here Mills Fleet Farm has a house brand made by one of the big oil guys right on the shelf.  If I had a 2 stroke I would run that before 15W40.
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Brian Elfert - 1995 Dina Viaggio 1000 Series 60/B500 - 75% done but usable - Minneapolis, MN
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« Reply #4 on: August 20, 2011, 02:14:20 PM »

Mine used to smoke to beat all and leak a lot of oil.  With the right stuff mine slowed both leaks and smoke.
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1984 Silver Eagle Model 10 6V92 Allison auto tranny
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Jerry32
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« Reply #5 on: August 20, 2011, 03:14:47 PM »

Yes the same here the bus had been on 15-40 and when I got it in SC I had williams chang to detroit 40 wt before the roadtrip home . now this thing hardly uses any oil at all. I used up all the detroit oil on achange and had to get Delo now  Jerry
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1988 MCI 102A3 8V92TA 740
luvrbus
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« Reply #6 on: August 20, 2011, 03:20:45 PM »

Jerry the DD brand oil is Mobil Delvac 1240 best oil you can use in a 2 stroke fwiw

good luck
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Life is short drink the good wine first
Van
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89' Silver Eagle 15/40 6V92MUI Boulder City,NV




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« Reply #7 on: August 20, 2011, 03:35:57 PM »

Clifford, It is getting so hot, I'm thinking of the 50 wt now lol. It was so hot one summer that straight STP ran out of the can (remember the cans?)  Grin Grin
« Last Edit: August 20, 2011, 03:37:37 PM by van » Logged

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TomC
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« Reply #8 on: August 21, 2011, 09:19:08 AM »

As a matter of fact, Detroit Diesel recommends sae50 weight in their 149 series used in hot mining operations.  If you have a block heater, 50 weight wouldn't be bad for very hot weather. Good Luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
luvrbus
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« Reply #9 on: August 21, 2011, 09:34:25 AM »

A matter of fact DD recommends 50w for any 2 stroke with ambient temps over 100F or water temp at 200F

good luck
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Life is short drink the good wine first
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