37 Package

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imzoomintoo

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I see a number of threads on perch collars and wheels sizes. I just brought home a White Raptor with 37 Package. I'd like to swap out the wheels for a 20" keeping the 37" tire, 20"x10" actually, they offer offsets of 15 and 18 I believe...Would I need a perch horror to fit and if so what size would you recommend? ( I did do a search but there all over the place )
 

So-Cal-Al-52

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Changing wheel size does not affect the overall height. So a 37" tire on 17's will be the same height as a 37" tire on 20's. I assume if you stay positive offset you will be fine. Also depends on what brand 37 tire you run, some are 1"-1.5" taller than others. If you have a 37 package you are already clearing 37's, the 10 wide will be the issue if the offset is to great or goes negative.

I assume you realize that if you go 20" wheel you are buying new tires. Can't run 20's and "Keep" the same tires. You may find some answers in Gen 3 aftermarket wheels thread. 100's of pictures of different wheel and tire combos.
 

New recaros

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Let’s see, most people don’t use their trucks rock crawling or blazing across the desert. If your truck is a payment pounder, going to 20” wheel improves driving performance. I have switched a few times, I found I like the 20” wheels for paved curvy roads much better, but I travel ruff dirt roads also. There the 17” shine, incredible the difference for bump absorption. I am staying with the 17” but see a clear case for use of 20” wheels.
 
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