need help with tire pressure on boat - Colorado Fishing Forum

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Old 06-16-2012, 02:58 PM   #1 (permalink)
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Default need help with tire pressure on boat

got some new tires size 530x12c . manual says recommended cold tire inflation
is 80 psi . ain't that to much air because when the tire gets hot don't it expand more. can someone tell me the right pressure for it.

530x12c
load range c
capacity 1045 pounds of load
4 ply
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Old 06-16-2012, 03:05 PM   #2 (permalink)
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Default Re: need help with tire pressure on boat

all tires are different if it calls for 80lbs that will probably give you the best wear
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Old 06-16-2012, 03:08 PM   #3 (permalink)
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Default Re: need help with tire pressure on boat

thanks walleye seeker
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Old 06-18-2012, 08:34 AM   #4 (permalink)
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Default Re: need help with tire pressure on boat

I always run trailer tires at max PSI. Also, remember most ST tires have a speed rating of 65 MPH.
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Old 06-18-2012, 09:57 AM   #5 (permalink)
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Default Re: need help with tire pressure on boat

I've been trailering a boat both in state and alot of other states for 30+ years now-probably do about 10,000 miles a year on average. And I always drive the speed limit unless road conditions are poor.

I go 70-75MPH all the time. And I've never had a problem. I've had one flat in all those years.

I change out tires as soon as the tread looks worn-about every two years.

So what gives with the speed rating? And by the way, I have trailered boats passing me on most every trip-I'm guessing they're going 80+.

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Old 06-18-2012, 10:10 AM   #6 (permalink)
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Default Re: need help with tire pressure on boat

Good info here:
http://www.discounttire.com/dtcs/inf...rTireFacts.dos
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Old 06-19-2012, 07:12 AM   #7 (permalink)
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Default Re: need help with tire pressure on boat

The pressure is stamped on the tire. I dont think 80 is correct-
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Old 06-19-2012, 07:45 AM   #8 (permalink)
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Default Re: need help with tire pressure on boat

you might be right Slayer, mine say 50 cold my old ones said 60 cold
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Old 06-19-2012, 12:06 PM   #9 (permalink)
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Default Re: need help with tire pressure on boat

Mine say 80 psi-they're also 5.30x12. Called Load Star from BPS-good so far.

I think maybe the smaller tires have a higher recommended psi rating.
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Old 06-19-2012, 01:51 PM   #10 (permalink)
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Default Re: need help with tire pressure on boat

I'm not really sure about boats but I know my RV and Truck tires are kept at the vehicle/trailer stated pressure, regardless of what the tire states. I've always exceeded the life of any tire I had put on so take it for what it's worth. If it were me, I would try to ask whomever makes the trailer/boat and see what they recommend.

All the best.
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