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Exact Tire Pressure


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  • 3 months later...
  • 1 year later...

Tyre pressures are usually on a sticker inside the door or inside the fuel flap. As said, it's probably better just to follow what the manufacturer recommends. Although if you're running, aftermarket wheels or a different size of tyres from standard, the manufacturer standards don't apply. 

If you put a couple of extra psi in from standard, it can help to increase fuel mileage but at the expense of grip. Conversely, if you let the pressure down a bit, you will have better grip but less mileage. 

Putting more air in the tyres makes it easier to do huge burnouts too 😊

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All very good thoughts through experience, I would only like to add that in the summers I would recommend to keep the tire pressure a couple of PSI down than recommended specially if you have a long drive planned as in the summers the tires tend to add a 2-3 PSI while long hot drive.

Just my 0.02 cents.

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  • 4 months later...
7 hours ago, roburton said:

Just want to add another tip. The chalk method is another way to know the perfect pressure for your tires. Just google about it.

You can also “calculate” your tire pressure with the chalk method. This involves coloring a section of your tire with chalk to see how much tread is making contact with the ground. Start by finding a flat road surface. Concrete is actually the best choice, but you can also do this on asphalt. Make a mark with soft chalk that goes all the way across your tread. Then, gradually drive your truck forward about 50 feet and then backwards 50 feet.

Analyze the chalk on the tire. If the chalk is only worn off on the center of the tire, reduce the tire pressure slightly and go through the process again. With the adjustment, you should see the chalk wear off more broadly. Keep making tiny adjustments in the tire pressure until the chalk wears off evenly and all the way across the tread.

You will have to complete this process for each of your four tires. Once you’ve found the right street pressure, add 10% to all four tires. Then, measure the tires and add pressure to balance them. As explained above, you need to measure from the wheel to the ground. Start by balancing the profiles of the front tires with each other. Then, balance the front tires again with the rear tires. Always adjust the tires with the smaller profiles by adding air.

If you go through the process correctly, you end up with the ideal tire pressure. But, this method is tedious and there’s a reasonable chance that you will make a mistake.

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