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recommended tire pressure on 20 inch rims

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I have 20 inch rims for both front and back of LP640 with 245/30R20 / 345/20R25 tires. Any recommendation on correct tire pressure should be? thanks.
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Something in the mid 30's will work well. I normally like a 2 lb spread front to rear with something like 36 front 34 rear.

Unfortunately the 20 inch setup is a significant handicap in performance and driving feel to appease aesthetics. The extra weight and rolling diameter plays havoc on the suspension making it better for cruising the boulevard rather than for any enthusiast driving.
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