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Old 07-19-2010, 09:31 AM
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weight of 20" tire and wheel vs 17" tire and wheel

Does anyone know how the weight of the srt8 wheel and tire compares to the weight of the chrome clad 17" wheels and tires?

edit:sorry for the stupid typo in the title
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Old 07-19-2010, 11:53 AM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

I weighed them awhile back and posted it somewhere. The difference is very minimal....

I will try to find it and post again.
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Old 07-19-2010, 06:13 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

the reason i wanted this information was to determine if the 20's slow down the acceleration and decrease fuel economy. while fuel economy isnt a huge concern because it is a 5000lb brick with a 5.7L in it im just trying to take everything into consideration.
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Old 07-19-2010, 06:21 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

^^ I would like to know too. I think for this very reason I will not get 22's...and would be very interested to know how much damage 20" srt reps would do to the performance/fuel when compared to the stock 17"s?? + rep for first ACCURATE answer
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Old 07-19-2010, 06:24 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

while weight is a factor, i think most of the fuel econ loss is people changing tire sizes and not recalibrating or making other adjustments.
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Old 07-19-2010, 06:27 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

^^ true that...BUT let's assume that there are no other variables...overall diameter of the 20" tire is close to stock 17"s (less than 3% lets say)...anyone know the exact weight difference? Either SRT's or reps will work, IIRC the reps are 1 pound heavier than the stock SRT's?
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Old 07-19-2010, 06:41 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

stock 17" w/goodyear SRa-60 pounds
rear SRT 20x10 w/nitto 420s-72 pounds

Im guessing the 20x9 with 255-45-20 Nitto 420s at 68-70


one 20x10 SRT wheel(oem) 32 pounds
one 20x9 SRT wheel oem-26 pounds

There ya are...weighed on a bathroom scale
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Old 07-19-2010, 09:48 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

thanks for the info scott

and according to tirerack the 245/65-17 sra is 32 lbs which puts the wheel at 28lbs.

have you ever heard of people running 20x9's on all 4 corners? if i go this route i think id like to have the 255's on all corners and that would be a little narrow for a 10" rim.
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Old 07-19-2010, 09:54 PM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

oh yes....there aare lots of guys running 20x9's all around. Its up to you bro. I like the 255-45 on 20x9s...but most guys do the 275-45
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Old 07-20-2010, 09:48 AM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

i have 4 - 20x9 viper reps. i run 255/50 Parada SpecX.
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Old 07-20-2010, 10:50 AM
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Re: weight of 20" tire and wheel vs 17" tire and wheel

thanks Scott! just what I needed to see
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