super swamper sx - Ford Bronco Forum
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post #1 of 16 (permalink) Old 12-05-2016, 07:40 PM Thread Starter
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super swamper sx

I have super swamper sx 36 inch on my bronco,
Everything is fine except that they seems a little hot after 15-20 minutes at around 60-65 mph.They are warmer than my BFG.
I run then at 25psi with 10 ounces of bb in each mounted on 15x10 wheels.
I have read an article in a old four wheeler that the sx like to develop cracks around the sidewall at high speed.
Is this true?
Thanks,
Marc
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post #2 of 16 (permalink) Old 12-05-2016, 07:47 PM
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Seems to me, any tire at high speed, with 25 psi, will get hot and crack.
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post #3 of 16 (permalink) Old 12-05-2016, 08:10 PM
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If your off-roading, then air down and enjoy the added traction but if your road driving... inflate to sidewall stamped/recommended pressure.
I haven't run them a lot but have a set of 33's on the ol' lady's '78. The super swamper is a stiff and heavy tire so running under-aired, I would expect some odd behavior.

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post #4 of 16 (permalink) Old 12-05-2016, 08:18 PM
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when you say high speed, how fast are we talking? bias ply tires aren't meant for racing, but you can safely travel the speed limit on them and above without any trouble, I did with my IROKs and never ran over 25 PSI in them.

Could be that they had some production issues with the old SX, but who knows. Couldn't hurt to email interco and see what they recommend.
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post #5 of 16 (permalink) Old 12-05-2016, 08:31 PM Thread Starter
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max speed was 75 mph on gps when triyng them
longest trip in one time was 1.5 hour with at least 20 minutes at 65 mph.
The max psi on sidewall is 30.
Its my first time with swamper, the sx are super stiff, at 10 psi they dont bulge under the '79.
the interco model is sam-56 or s-205.
Marc
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post #6 of 16 (permalink) Old 12-05-2016, 10:06 PM
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Are they radial or biased ply? Biased are hard as a rock at any pressure.
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post #7 of 16 (permalink) Old 12-05-2016, 10:42 PM Thread Starter
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steel belted bias, i think Interco dont offer steel belted bias anymore.
I bought these tires ''used'' but they where mounted but the project was never finished.
I only paid 600 cdn or 452usd for the set.The american racing mags where included too.I cannot lose at this price.
The casting marks are still in the middle thread and the depth is 22/32.



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post #8 of 16 (permalink) Old 12-05-2016, 10:50 PM
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They make both biased and radial, biased are stiffer for serious off road use as they are more puncture resistant and do not deflect when spinning through rocks and mud.
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post #9 of 16 (permalink) Old 12-06-2016, 08:07 AM
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what's the date code on them?
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post #10 of 16 (permalink) Old 12-06-2016, 09:42 AM Thread Starter
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from memory 2009
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post #11 of 16 (permalink) Old 12-07-2016, 05:11 AM
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I liked wheeling the sx's but I've had the tread separate from the carcass at high speed.


This happen 3 different time on bias 38x14.5x15
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for the love of mud. F.O.T.M. July 2015.
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post #12 of 16 (permalink) Old 12-07-2016, 04:39 PM Thread Starter
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this is exactly what I don't want to happen. Even if I have a full size spare tire, I really don't want to go through this. I will probably find something else.
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post #13 of 16 (permalink) Old 12-07-2016, 06:39 PM
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The set I picked up for the ol' lady's '78 are the Super Swamper Radial TSL's. Supposedly better for on-road use and still strong performance off-road.
At least, that's what I read. When I got 'em, I thought she wanted to go hit the mud-bogs but shortly after learned that she was just crap talking with her friend who's old man had been hitting the mud pits and she wasn't really into it. Women =

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post #14 of 16 (permalink) Old 12-09-2016, 12:03 AM
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The one set of sx that I had on my bronco II I never noticed them getting hit but they had horrible cracks towards the side walls and was never a real big fan of them. I have always had good luck w/ bfg on the road and really liked the old good year wrangler MTR's
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post #15 of 16 (permalink) Old 12-09-2016, 07:55 AM
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Roger that . Couldn't agree more . I have had BFG AT and Good year Wrangler MTRs on all my Land /Range Rovers an they had survived the Mountains of Spain ,Ukraine and Romania, and the autobahns in between from the UK , and the Sahara desert and Atlas mountains and the jungles of Thailand without one puncture . They wear well aren't too noisy and the BFG AT are also great on snow when needed.

Just putting a set of Cragars 17 on the Bronco with 285/75 BFG AT KO2s . Our roads in Uk and Spain can be a little narrow so this reduces the width of the car by 4" and brings the flush with the fenders/ wings form the 33x 12 on 10" rims .

I DONíT KNOW IF LIFE IS PASSING ME BY OR TRYING TO RUN ME OVER !!
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post #16 of 16 (permalink) Old 12-22-2016, 04:58 AM
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Not on my Bronco but I have the KO2's on my JK. These tires are really good on and off the road. No complaints whatsoever.
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