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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Wheels & Tires Forum [GEN 1]
MT's vs AT's, 17's, 18's vs 20's discussion
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<blockquote data-quote="Augster" data-source="post: 1987377" data-attributes="member: 19867"><p>Yea, 12ish PSI. I've had them down to even 8ish! There was certainly alot of "rolling" the tire sidewalls, but I guess the stiffer sidewall kept the bead!</p><p></p><p></p><p></p><p>I like 'em! And I really don't notice the shorter sidewall in terms of ride cushioning; when the trail gets rocky rough, the 2.5 radial inch difference in tire squish (37 on 17s versus 35 on 20s) hasn't made the trail runs that much more unbearable: the rocky/washboard trails are still gonna be rough within the cab. It's the longer travel of the suspension over a stock F-150 that reduces the transferred vertical wheel movements to the chassis that helps smooth out the trail the most. With that said, the next set of tires will be 37's so that'll reduce the difference to a mere 1.5 radial inches</p><p></p><p></p><p></p><p>I was referring to width of the wheel! OEM rims are 8.5" width, and OEM style tires are 11.2" width. I currently have 20x9+1mm rims and the Grapplers I have are 12.5" width. That extra +1 inch on the tire along with the half inch wider rim definitely fills the wide flares batter now, and I can't wait until I stuff 37's.</p></blockquote><p></p>
[QUOTE="Augster, post: 1987377, member: 19867"] Yea, 12ish PSI. I've had them down to even 8ish! There was certainly alot of "rolling" the tire sidewalls, but I guess the stiffer sidewall kept the bead! I like 'em! And I really don't notice the shorter sidewall in terms of ride cushioning; when the trail gets rocky rough, the 2.5 radial inch difference in tire squish (37 on 17s versus 35 on 20s) hasn't made the trail runs that much more unbearable: the rocky/washboard trails are still gonna be rough within the cab. It's the longer travel of the suspension over a stock F-150 that reduces the transferred vertical wheel movements to the chassis that helps smooth out the trail the most. With that said, the next set of tires will be 37's so that'll reduce the difference to a mere 1.5 radial inches I was referring to width of the wheel! OEM rims are 8.5" width, and OEM style tires are 11.2" width. I currently have 20x9+1mm rims and the Grapplers I have are 12.5" width. That extra +1 inch on the tire along with the half inch wider rim definitely fills the wide flares batter now, and I can't wait until I stuff 37's. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Wheels & Tires Forum [GEN 1]
MT's vs AT's, 17's, 18's vs 20's discussion
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