Results 91 to 97 of 97
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December 5th, 2011 04:09 PM #91
The extra pounding from stiff tires is not quite as bad as the extra pounding you get from using heavier mags or lowering springs... but yes, it causes extra stress.
Which is why the next step is to get better shocks.
One situation where over-inflation is bad is where you've exceeded the suspension's ability to control the tire and it skips or bounces under braking.
Tire Explosion - YouTube
^^^
That tire was rated for 90 psi. 300 before she blew. I think you will be okay with just four psi over the max sidewall pressure, but I cannot be responsible for telling you that it's okay to exceed the manufacturer's rating. Especially considering our rough roads here.
Ang pagbalik ng comeback...
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December 5th, 2011 04:39 PM #92
air in tires = cushion = absorb impact forces like accidentally driving into deep potholes
rock hard tires = almost no cushion = impact forces fully transferred to suspension and chassis
oh well...
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December 7th, 2011 11:34 AM #93"That tire was rated for 90 psi. 300 before she blew. I think you will be okay with just four psi over the max sidewall pressure, but I cannot be responsible for telling you that it's okay to exceed the manufacturer's rating. Especially considering our rough roads here.
It is not advisable to use more than the PSI requirement, it is for tire factor of safety (FOS). And more than 80% rated capacity is reserved for tire during abnormal situation, and for your personal safety!
Say, 90PSI rated capacity. 80% of it is 72PSI. Therefore, safest PSI is 72 and below...
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December 7th, 2011 01:06 PM #94
salamat sir niky.... the tire blew at 300psi (rated lang up to 90 psi) or more than 3x the maximum rating sa tires and the temperature is at 1181 degrees F pa!!! talaga palang sasabog yan...
try ko over ng 4psi...
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December 7th, 2011 01:51 PM #95
That's the best reason to NOT overinflate. But it depends on the tire and chassis in question. On passenger cars, we usually don't inflate to more than 30-40 psi. On some trucks, normal inflation pressures are around 100 psi. 40 psi to 50 psi for a cargo truck isn't really rock hard.
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As for "Factor of Safety", due to liability concerns, that FOS is already built into the sidewall maximum pressure. In other words, the maximum sidewall pressure is not the absolute maximum, but a low rating that should keep the tire from bursting under continuous usage conditions short of 50 degree Celsius heat with an overloaded vehicle.
Why is the sidewall maximum low? To prevent lawsuits and liability. If you actually stated the bursting pressure on the sidewall and somebody inflates to one psi over that and experiences a blowout, then the tire manufacturer is liable for it.
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Again, while I say I personally believe just four over is safe, I cannot guarantee it is, and if the tire is old or has damage, better not to risk it. Personally, I'd just get a tire that's rated at over 50 psi and use that instead, as it's also bound to be more durable than the one that isn't.
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December 11th, 2011 05:44 PM #97Now, we have cold weather. I adjusted my tire to +1.5Psi, so that I can still maintain +2 to +4Psi in between trips!
One dude told me it was Li-Ion. Another dude corrected him. AFAIK the Zenix gets the Li-Ion hence...
MG4 EV Standard vs BYD Atto 3 Dynamic vs Toyota...