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Old 09-07-2018, 06:28 PM   #1
dps0609
 
Drives: 2013 ZL1 Camaro- 620 RWHP
Join Date: Feb 2017
Location: Houston, Tx
Posts: 8
315/35/17 MT ET Street S/S are really small?!

I just swapped my rear wheels and tires.

I went from the stock wheels with 315/35/R20 NTO5R's to a 17" Drag Star with 315/35/R17 MT ET Street S/S's.

While the car was on the lift the new wheel and tire combo looked really small so i measured.

The New wheel/tire combo was about an inch shorter than my front wheels which are stock with 285/35/R20 BF Goodrich tires and about 1.5 inches shorter than the 315/35/r20 wheels that came off the car.

I'm still waiting to take it off the lift to see what it looks like on the ground but am I wrong in thinking that the tires should be closer in size to the Nittos?

Kind of freaking out rn.

Best,

D
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Old 09-07-2018, 06:35 PM   #2
dps0609
 
Drives: 2013 ZL1 Camaro- 620 RWHP
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Location: Houston, Tx
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car is a 13 zl1
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Old 09-07-2018, 07:01 PM   #3
JB'sZL1

 
Drives: 2013 ZL1 and 2019 Ram Laramie
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3" diameter difference.
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Old 09-07-2018, 07:08 PM   #4
CFD


 
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May throw some codes.
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Old 09-07-2018, 07:46 PM   #5
chuckie669

 
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https://www.camaro5.com/forums/showthread.php?t=62838
Using this guide
Zl1 has a stock Rear 305/35-20 = 28.4" tall, 11.0 wheel
You used the ss spec which should be in tolerance 315/35-20 = 28.7" tall, 10.5-11.0 wheel

A 315/35/17 is 25.68"tall as others stated so it will definitely look small and most likely trigger light.

I wish I had the answer, but I'm not sure what is available in a 17 searching my phone
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Old 09-08-2018, 08:49 AM   #6
dps0609
 
Drives: 2013 ZL1 Camaro- 620 RWHP
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Update: Wrong tires were ordered. I was under the impression that 315 was the height.

You live you learn I guess.
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Old 09-13-2018, 12:43 AM   #7
WYKDZL1
 
Drives: Ashen gray zl1camaro
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You should be running a 305/45/17 MT ET Street
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Old 09-13-2018, 07:28 AM   #8
Nb1081
 
Drives: 10 2ss/rs
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For future reference

The first number in tire size is the width the 2nd is the height which is a percentage of the width in your case its 35% and the last is obviously rim size
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