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Old 06-15-2021, 04:56 PM   #1
Mini-Skoolie
 
Join Date: Jun 2019
Location: St. Louis
Posts: 67
Year: 1984
Coachwork: International Harvester
Chassis: S1753
Engine: V8 6.9L
Coolant Type

Hey, I Have A 1984 International S1753 And I'm Having Trouble Finding Out Which Coolant I Need. In The Past, Before I Did Research, I Used Final Charge 50/50. Now Knowing That I'll Need A Specific Type, I Want To Use What's Best For My Motor. If Anyone Can Help I'd Appreciate It.

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Old 06-15-2021, 05:23 PM   #2
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Location: Near Flagstaff AZ
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I think Motorcraft VC-5, or equivalent, is the OEM spec...but I may be mistaken?
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Old 06-16-2021, 12:48 AM   #3
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Join Date: Aug 2019
Location: Auburn, WA
Posts: 682
Year: 2000
Coachwork: IC / Amtran
Chassis: 3000 / 33' Flat Nose
Engine: IC T444E / Allison MT643
Rated Cap: 72 Kids / 48 Adults
I'm not sure how many variants of anti-freeze there were in 1984, but I'm betting it was green.

My first call would be to the dealer.

I Googled International S1753 and Napa came up, I clicked on coolant / heaters, selected 1984 and this is what I got.

https://www.napaonline.com/en/search...4?referer=vclp

But, I'm not sure how backwards compatible the extended life coolant is??

This is from Stockwise Auto:
https://www.stockwiseauto.com/presto...al&Model=S1753
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Old 06-16-2021, 09:11 AM   #4
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Join Date: Nov 2014
Location: NM USA KD6WJG
Posts: 783
Year: 1991
Coachwork: Bluebird
Chassis: All American RE 40 FEET
Engine: Cummins 8.3
Quote:
Originally Posted by rossvtaylor View Post
I think Motorcraft VC-5, or equivalent, is the OEM spec...but I may be mistaken?
What Ross said. Also you may need the VC-8 additive.
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