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Like many others I'm forced to change from 185R 14 tires as none of the 'name' brands make them any more. I've decided to go the way of 195/75 14 replacements and want to know how best to determine the ideal pressures to run them.
Will this be the same as 185R 14's, or will it depend on the particular tire chosen? (probably Michelin). Also will the relative increase be the same with increased load (as a percentage increase) or is there some expert formula by which this is calculated?
The reason I wonder is that I sometimes load my wagon right up, and with the changed aspect ratio I thought maybe the pressure would need to increase.
Any help much appreciated.
BTW I'm aware european 185R 14 tires are available but experience of these in the past has been very much 'you get what you pay for' and I've also had several sidewall failures - even on well known brands - but the set of Michelins have been totally trouble free for nearly 50K miles.
Paul 1990 245 B230
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