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Engine Oil and Coolant 1980 NTC-400 ?

Posted By Dishington Friday, January 11, 2019 5:30 PM
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Dishington
 Posted Friday, January 11, 2019 5:30 PM
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I'm about ready to change engine oil and coolant. What can I use?http://forums.aths.org/Uploads/Images/e6da25b4-7774-4d91-a935-c7d4.jpg My owners manuel is warning me : Anti freeze formulated with methoxy propanal or propylene glycol IS NOT RECOMMENDED WITH IH ENGINES. Thanks, Eric
FredD
 Posted Saturday, January 12, 2019 1:35 AM
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I went thru this with my 1989 Mack and NAPA tried to talk me into some of the new pink stuff but I went with the regular old green that has been around for a long time. The Mack dealer told me that is what he would use. I think the green container from NAPA said it should be used on any engine up thru 1992.
As far as oil I would use Rotella or the other brand (can not remember name now) in the blend recommended for the area where you live.
Good luck.


Fred

Ahhh, there's nothing like the smell of diesel fumes in the morning.

1989 Mack MH 612
Geoff Weeks
 Posted Saturday, January 12, 2019 2:26 AM
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If you are going to change the coolant, you need to add a "precharge" of SCA's (Wixcool, NAPAcool etc) based on the total coolant capacity.
The engine should have a coolant filter also, If you are using liquid SCA's then a plain filter for the 1st time, one with additive at subsequent oil change intervals.
The SCA's provide a "barrier" on the liners to prevent liner cavitation (pin holes).
Any of the major truck oils are fine.
POWERSTROKE
 Posted Saturday, January 12, 2019 2:58 AM
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FredD (1/12/2019)

As far as oil I would use Rotella or the other brand (can not remember name now) in the blend recommended for the area where you live.
Good luck.


is MOBIL DELVAC 1300 what you were trying to remember? Chevron Delo is good too. But I run Rotella in almost everything I own.
junkmandan
 Posted Saturday, January 12, 2019 3:35 PM
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Delo 400, 15W40 .
Dishington
 Posted Saturday, January 12, 2019 5:23 PM
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Thanks for the advice. Also, I eventually found my engine block heater. And yes, this coolant system has a filter. Thanks guys! My goal is to have this Cabover pretty cleaned up in one year. I'd like to attend a truck show. What is a good one to go to? Hopefully not too far from WA. Thanks
Two-Books
 Posted Sunday, January 13, 2019 2:02 AM
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Brooks Oregon

For governments who try to tax themselves into prosperity is like standing in a bucket and trying to lift themselves up by the handle.
FredD
 Posted Sunday, January 13, 2019 2:54 AM
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POWERSTROKE (1/12/2019)
FredD (1/12/2019)

As far as oil I would use Rotella or the other brand (can not remember name now) in the blend recommended for the area where you live.
Good luck.


is MOBIL DELVAC 1300 what you were trying to remember? Chevron Delo is good too. But I run Rotella in almost everything I own.


It was Delo I could not remember.

Fred

Ahhh, there's nothing like the smell of diesel fumes in the morning.

1989 Mack MH 612
D2Denny
 Posted Monday, January 14, 2019 3:43 PM
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Dishington:
If you haven't already purchased your antifreeze I highly recommend the new style OAT antifreeze. It will greatly simplify your cooling system maintenance. Green antifreeze and coolant filters are last century technology. A coolant such as "Final Charge" is approved by all engine manufacturers and is backwards compatible in older engines. You won't have to worry about checking or adding SCA's ever again. You can remove the coolant filter and all the lines and eliminate a source of coolant leak. Google Final Charge for info straight from the horses mouth. While you have the coolant drained from the engine, if you can't verify that the radiator hoses and heater hoses have been replaced in the last year or two I'd go ahead and put on new and while your in the area the same goes for the belts. I know its an extra couple of hundred bucks but its cheap insurance. Its no fun trying to fix something on the side of the road specially if its preventable with a little extra work.

Dennis
Geoff Weeks
 Posted Tuesday, January 15, 2019 6:08 AM
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Filters do more than hold SCA's in fact you don't need nor never have needed a filter for SCA's. I would not run an engine I cared about without a filter. Keep the filter!
I don"t see enough benefit in the new coolants to change.

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