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04-27-2022, 01:20 PM
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#1
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Senior Member
Join Date: Feb 2022
Location: Toronto
Posts: 436
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Tire Markings stamped after QA
I've been having troubles finding new rubber to replace existing the TT.
Just received 2 tires today, out of the USA. Both tires have a clear QA inspection stamp. They were backordered over a month.
The tire I received a few weeks ago, Cdn source, does not have the same type of inspectors stamp. There is a red and yellow dot on the tire instead.
I'm suspicious that the tires may be of different quality.
Would anyone here know how to read the situation?
The tires are Carlisle Radial Trail, 175/80R13 LRD
Tire with dots is a DOTAQJU 38/21
Two other tires are DOTAQJU 52/21 QC2322 & QC2323
Thanking you all in advance.
__________________
2012 Rockwood A122, 2017 2018 Kia Sorento 3.3 V6 AWD,
(2012 Subaru Forester with MT & the 2017 Sorento have gone to TV heaven))
Cheers and greetings  from a Toronto Canuck
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04-27-2022, 02:12 PM
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#2
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Kanadian Kamper
Join Date: Sep 2010
Location: Southern Ontario
Posts: 8,185
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I’m not seeing a closeup of the numbers I’m looking for.
I’m guessing the manufacturer dates are 38th week of 2021 and the other two are manufacturer date 52nd week of 2021.
USUALLY, and I repeat, USUALLY the manufacturer dates are found inside an oval with the four digits. These manufacturer date numbers inside the oval are OFTEN only found on one side of the tire.
I have no idea on the quality rating or coloured dots and their meaning.
__________________
Ken and Terry
2018 Sunseeker 2430S-CD, nicely modified and carried by a 2017 Ford E450 Sport
Former Georgetown 330TS owner for 10 years with more mods than I can count, pushed by our 2017 GMC Terrain
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04-27-2022, 02:36 PM
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#3
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,951
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Quote:
Originally Posted by Brandoni
I'm suspicious that the tires may be of different quality.
Would anyone here know how to read the situation?
The tires are Carlisle Radial Trail, 175/80R13 LRD
Tire with dots is a DOTAQJU 38/21
Two other tires are DOTAQJU 52/21 QC2322 & QC2323
Thanking you all in advance.
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All of these tires came from the same plant. There is no difference in them except for the week they were made.
We've talked about the manufacturer color dots before in this thread:
https://www.forestriverforums.com/fo...ml#post1009534
As far as the OP goes, you are fine, there is no difference. Just run the tires and enjoy camping. No worries.
__________________
 2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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04-27-2022, 02:42 PM
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#4
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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__________________
Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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04-27-2022, 04:14 PM
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#5
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Senior Member
Join Date: Feb 2022
Location: Toronto
Posts: 436
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Thank you all for the explanations and information.
I'll go dotty for a bit and then continue on with the good advice of "go camping".
Much appreciated . . . 
I was fearing news of a QA fail . . . This is great news!! 
__________________
2012 Rockwood A122, 2017 2018 Kia Sorento 3.3 V6 AWD,
(2012 Subaru Forester with MT & the 2017 Sorento have gone to TV heaven))
Cheers and greetings from a Toronto Canuck
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04-28-2022, 08:06 PM
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#6
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Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 2,146
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Sounds like same tires. Just for the heck of it, weigh them. Once years ago I got a Firestone from independent shop. Just marked as identical as the ones I had. On a coincidence, I picked up the thread bare one and carried it away for the tire guy. Carried the new one over and realized it was a good five pounds lighter. Clearly not the same as my Firestones except the stamped marking. Ask yourself who in the hell wants to forge copies of Firestones anyway???
__________________
Tom48
In Sunny So Cal /w
Now in 2005 Holiday Rambler Ambassador DP and The Hot Air Balloon RESTLESS
NO MORE Tricked out
2017 Sandstorm 250 T.H.
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04-28-2022, 09:20 PM
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#7
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Senior Member
Join Date: Feb 2022
Location: Toronto
Posts: 436
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Quote:
Originally Posted by Tom48
Sounds like same tires. Just for the heck of it, weigh them. Once years ago I got a Firestone from independent shop. Just marked as identical as the ones I had. On a coincidence, I picked up the thread bare one and carried it away for the tire guy. Carried the new one over and realized it was a good five pounds lighter. Clearly not the same as my Firestones except the stamped marking. Ask yourself who in the hell wants to forge copies of Firestones anyway???
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Good thought . . .
Tire Wgt
1 -- 8.35 kg
2 -- 8.35
3 -- 8.35
About 18.37 lbs . . .
Digital balance/scale here . . . My weight is tared out to anonymize me . . .  (nite snacking will be the givaway . . . 
I'm quite surprised at the consistency. . . 
NOTE - " -- " is spacing for columns . . . I couldn't find a way to insert and keep tab spacing
__________________
2012 Rockwood A122, 2017 2018 Kia Sorento 3.3 V6 AWD,
(2012 Subaru Forester with MT & the 2017 Sorento have gone to TV heaven))
Cheers and greetings from a Toronto Canuck
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04-29-2022, 07:00 AM
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#8
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,951
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Quote:
Originally Posted by Brandoni
The tires are Carlisle Radial Trail, 175/80R13 LRD
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Quote:
Originally Posted by Brandoni
Good thought . . .
Tire Wgt
1 -- 8.35 kg
2 -- 8.35
3 -- 8.35
About 18.37 lbs . . .
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Yep, that is pretty close to the published weights for these tires (rounded) on their website:
https://www.carlislebrandtires.com/o...dial-trail-hd/
__________________
2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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04-29-2022, 07:18 AM
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#9
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Senior Member
Join Date: Feb 2022
Location: Toronto
Posts: 436
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Quote:
Originally Posted by wmtire
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The weight would be 8.64 kg then . . . And that means I'd also be a heavier number on the scale . . .
No. . . I'm happy with the number I'm currently getting thank you . . . 
__________________
2012 Rockwood A122, 2017 2018 Kia Sorento 3.3 V6 AWD,
(2012 Subaru Forester with MT & the 2017 Sorento have gone to TV heaven))
Cheers and greetings from a Toronto Canuck
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