Quote:
Originally Posted by Gasoline Fumes
Go ahead and experiment! I have 55-60 PSI in my junkyard tires.
I'm pretty sure I have more grip than the smaller original size tires at correct pressures.
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If you have cheap junkyard tyres then go ahead and experiment. Most of us have paid through the nose for our tyres and don't want to wear them out sooner than necessary.
If you fit wide tyres at a higher pressure you probably will have better grip than narrow tyres at recommended pressures. But wide wheels steal mpg and I thought that increased mpg was the whole point of the exercise.