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Fire rings D17 diesel
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ryan(IN) View Drop Down
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Joined: 11 Sep 2009
Location: Bluffton,IN
Points: 789 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ryan(IN) Quote  Post ReplyReply Direct Link To This Post Topic: Fire rings D17 diesel
    Posted: 28 Aug 2025 at 7:20am
Does anyone happen to have a set of fire rings that MACK made laying around?  I regret never getting a set from him before he passed.
ryan
1984 8070 FWA,1979 7060,1975 7040,1971 190,1960 D-17D,1957 D-14, 196? D-19G, 1975 5040,1971? 160,1994 R62
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55allis View Drop Down
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Joined: 30 Jun 2020
Location: Griswold Iowa
Points: 1104 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 55allis Quote  Post ReplyReply Direct Link To This Post Posted: 28 Aug 2025 at 3:47pm
Use hylomar on the whole gasket, did that on my d19 diesel and never had a problem with it for the last couple years.
1955 AC WD45 diesel with D262 repower, 1949 AC WD45
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ryan(IN) View Drop Down
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Joined: 11 Sep 2009
Location: Bluffton,IN
Points: 789 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ryan(IN) Quote  Post ReplyReply Direct Link To This Post Posted: 28 Aug 2025 at 4:06pm
Did you use the spray? I’ve heard of it but usually use copper coat on head gaskets.
ryan
1984 8070 FWA,1979 7060,1975 7040,1971 190,1960 D-17D,1957 D-14, 196? D-19G, 1975 5040,1971? 160,1994 R62
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55allis View Drop Down
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Joined: 30 Jun 2020
Location: Griswold Iowa
Points: 1104 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 55allis Quote  Post ReplyReply Direct Link To This Post Posted: 28 Aug 2025 at 5:02pm
Originally posted by ryan(IN) ryan(IN) wrote:

Did you use the spray? I’ve heard of it but usually use copper coat on head gaskets.

Yes I did, it’s like $40 bucks on Amazon for a 16oz can
Here’s a link to where I got it..
https://www.amazon.com/Hylomar-HUBRA01-Polyurethane-Sealant-Aerosol/dp/B0086AJ75U

Another plus is you can supposedly reuse the gasket if you ever pull it off again.
Haven’t had to pull the head I put it on again so I don’t know if that’s true.
1955 AC WD45 diesel with D262 repower, 1949 AC WD45
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randy View Drop Down
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Joined: 12 Sep 2009
Location: Illinois
Points: 1218 		Post Options Post Options   Thanks (0) Thanks(0)   Quote randy Quote  Post ReplyReply Direct Link To This Post Posted: 30 Aug 2025 at 6:57pm
Does anyone remember what Mack had the fire rings made from? I got a set but i cant remember.
CA WD WD45 D17 D17 Diesel 7060 8050 8070
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NEVER green View Drop Down
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Joined: 28 Feb 2013
Location: MN.
Points: 8667 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NEVER green Quote  Post ReplyReply Direct Link To This Post Posted: 31 Aug 2025 at 8:21am
   SealTec out of IL will make you any size ring you desire.
2-8050 1-7080 6080 D-19 modelE & A 7040   R50       
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ryan(IN) View Drop Down
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Joined: 11 Sep 2009
Location: Bluffton,IN
Points: 789 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ryan(IN) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2025 at 5:10pm
I know he made them thicker than stock. But not sure what he made them of. 
ryan
1984 8070 FWA,1979 7060,1975 7040,1971 190,1960 D-17D,1957 D-14, 196? D-19G, 1975 5040,1971? 160,1994 R62
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JC-WI View Drop Down
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Joined: 11 Sep 2009
Location: wisconsin
Points: 34372 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2025 at 10:34pm
" I regret never getting a set from him before he passed. "
That makes two of us.

Don't think I would reuse an old head gasket on a diesel...
He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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55allis View Drop Down
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Joined: 30 Jun 2020
Location: Griswold Iowa
Points: 1104 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 55allis Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2025 at 11:31pm
Here is some of his own words…
I’m not for sure if that’s what he made them all out of but we was dealing with a copper head gasket.
1955 AC WD45 diesel with D262 repower, 1949 AC WD45
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Joined: 27 Dec 2023
Location: Rock City Il
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ABablerNIL Quote  Post ReplyReply Direct Link To This Post Posted: 26 Sep 2025 at 9:05pm
Originally posted by NEVER green NEVER green wrote:


   SealTec out of IL will make you any size ring you desire.

   Think we’re going to have to go this route. Have a wd45 diesel that can’t seem to keep her head down with ARP studs to boot. D-17d engine repower.
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Joined: 28 Feb 2013
Location: MN.
Points: 8667 		Post Options Post Options   Thanks (0) Thanks(0)   Quote NEVER green Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 2025 at 8:53am
Originally posted by ABablerNIL ABablerNIL wrote:

Originally posted by NEVER green NEVER green wrote:


   SealTec out of IL will make you any size ring you desire.

   Think we’re going to have to go this route. Have a wd45 diesel that can’t seem to keep her head down with ARP studs to boot. D-17d engine repower.

   For some reason he will want INSIDE diameter, then measure  used compressed  gasket, I think I went 40,000 thicker then the gasket.
2-8050 1-7080 6080 D-19 modelE & A 7040   R50       
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Joined: 27 Dec 2023
Location: Rock City Il
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ABablerNIL Quote  Post ReplyReply Direct Link To This Post Posted: 28 Sep 2025 at 8:18pm
Thanks for the info!
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