Let me clarify that this what in a Travel trailer forum and we were talking about trailer and D and E rated tires. That;s why your seeing such high pressures being quoted.
For the record I have found 62 psi to be a good general pressure on my 88 454 burb unloaded. with 235 85 15 Michelin with E rating.
It's a bit of a harsh ride and that conciderably higher pressure then GM recomended on the stock tires at empty. But those rating were WAY under inflated for these tires.
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Grim-Reaper
70 Pontiac LeMans Sport Convertible, worlds longest resto in progress
Looking for 71-72 2wd Blazer or Jimmy Project
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