8" Pure Performance w/ 37's or 40's?? - Ford Powerstroke Diesel Forum
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Old 11-06-2011, 04:03 AM
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8" Pure Performance w/ 37's or 40's??

I have my suspension picked out and I am going with the 8" pure performance Coilover kit. I just wanted to get some feedback from you guys on which tires I should run. I definitely am going to buy toyo's with a 22" wheel so I am left with 37x13.5 or 40"x15.5 sizes.

I know the 40's would look great and a little more proportionate with the lift but I kinda think there is a lot more negatives to a tire this large and wide. Hard on mileage (truck is a daily driver), I imagine they would be very dangerous to drive in the winter with ice and snow and I am told they will hit the 4 link arm at full lock. I know I will have to crank the coilovers up to 10" to fit them.

Any imput from you guys that had 40's would be great or guys that had 37's and wish they went bigger.

Thanks
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Old 11-06-2011, 04:24 AM
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I think with an 8inch lift I'd go with the 40s. If you want the 37s for the economical reasons then why go with inches? Either way it sound like your about to have one sweet truck!
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Old 11-06-2011, 04:50 AM
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If you're going to do 8", go with 40's otherwise it's not going to look right IMO. Mileage is gone with a 4.5" lift and 35's, I think your screwed no matter what with an 8" lol.
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Old 11-06-2011, 06:09 AM
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My Vote would be for 6" Lift and 37's

Better for the trucks front Bearings, also cheaper now and later......

40's look nice,But thats the way i see them Mostly for show.....

My truck still has to Get the Job Done! Not just look Good doing it :~)
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Old 11-06-2011, 01:09 PM
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Ya was kinda thinking 37's might be too small for 8" of lift. Im coming from a 09 F150 with a 6" and just want to be bigger and meaner hence the 6.7L.

I don't tow much at all just put bokes in the bed. So being high with big tires is more for show and personal preference. My main thing about the 40's is safety in the winter. I do mostly hwy driving but worried about the sludh under the 15" wide tire.

Anyone have any experience running these in winter?
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Old 11-07-2011, 05:44 AM
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I ran 36x15.50x20 on my o8 with no issues . No rubbing, traction was awesome. I had Mickey Thompson MTZ's that was with a 6" lift and it looked amazing. 8" you need at least 40's. 37 look to small. I loved the look and performance of the 36's being 15.5 " wide best combo IMO
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Old 11-14-2011, 01:26 PM
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You can fit 37s on this truck with a leveling kit.

37s and 8" of lift will require you to have a flat-billed hat, black arm bands and white sunglasses and use the word "BRAH" excessively. Or at least a giant Metal Mullisha sticker on the back window.
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Old 11-14-2011, 01:30 PM
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8" and 37's look fine. I'd go that route. I'm completely happy with my setup and dont care to go bigger.
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Old 11-14-2011, 02:11 PM
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Lol well that all sounds cool but I will stick with my imagine for now. Never appreciated or had the coin for big trucks when I was younger and being 30 now I just dig these big trucks.

Still cannot decide on tire setup, would really like to have the large and in charge 40's but not sure if the are good for everyday driving and getting around.
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Old 11-14-2011, 03:24 PM
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i have 40s and my truck is a dd and i love it... truck still drives fine and i still get about 400 miles to the tank.. plus the looks i get while riding around town is pretty nice as well...lol
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