Tire Stagger

ZoomZ · 02-03-2020, 03:01 PM

Is there a general rule or a ratio on size difference between rear and front tires?

TIA

ZZ

tvfreakazoid · 02-03-2020, 04:46 PM

Quote:

Originally Posted by ZoomZ

Is there a general rule or a ratio on size difference between rear and front tires?

TIA

ZZ

What do u mean? How wide or the size of the wheels?

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OptionZero · 02-03-2020, 06:05 PM

the diameters must be within 3% of each other (i think thats the right number) or else the electronics will hate you

tvfreakazoid · 02-03-2020, 06:17 PM

I know on my audi s5, I have 255/35R19. If I go 20" wheels than I need to decrease my side wall height to 30. If u go 21" wheels than 25.
But this is what I read.

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crazy4oldcars · 02-03-2020, 07:47 PM

I think the OP is asking if there is a preferred proportion between width of the front and width of the back tires.
NISMO stock tires are 245/285, or the fronts are ~86% as wide as the rears.
Is there a point beyond which it adversely effects handling?

Kirk B.

cossie1600 · 02-03-2020, 07:48 PM

More front tires, better and quicker turn in, but easier for the back to step out

crazy4oldcars · 02-03-2020, 07:51 PM

Quote:

Originally Posted by cossie1600

More front tires, better and quicker turn in, but easier for the back to step out

So, I would surmise that more back tire would make the car tend to push more, or understeer?

Kirk B.

cossie1600 · 02-03-2020, 08:20 PM

Yes and more traction off the line

Rusty · 02-03-2020, 11:01 PM

I'm running 285/35-19 front and 345/30-19 rear. And track the car.

ZoomZ · 02-05-2020, 03:06 PM

Quote:

Originally Posted by crazy4oldcars

I think the OP is asking if there is a preferred proportion between width of the front and width of the back tires.
NISMO stock tires are 245/285, or the fronts are ~86% as wide as the rears.
Is there a point beyond which it adversely effects handling?

Kirk B.

Yes, this is my basic question. Thank you all so far.

zz

ZoomZ · 02-05-2020, 03:07 PM

Quote:

Originally Posted by OptionZero

the diameters must be within 3% of each other (i think thats the right number) or else the electronics will hate you

I was wondering about the widths. Sorry for the confusion.

OptionZero · 02-05-2020, 04:50 PM

for PERFORMANCE? you should read the track forum extensively

but in summary, the preference is little or no stagger, 275 or 285 square for naturally aspirated cars

add more power and the equation changes

ZoomZ · 02-06-2020, 03:14 PM

Ok, so the reason I'm asking is simple. I need two new tires for the rear but my fronts are fine. (will get measurements later).

Im stock wheels on 17 NISMO. 285/245. If I went with 295 on Rears, keeping fronts at 245, what are the the consequences, if any?

That's why I was asking for a ratio or standard formula. I know what the ratio is right now by doing simple math. However, does that formulation work the same way as I start going to slightly larger sizes? I'm guessing going to 295/255 eventually wont make a difference?

I will stick with the Bridgestone S001 for now and will change brand on all 4's when time comes.

Rusty · 02-06-2020, 03:25 PM

Quote:

Originally Posted by ZoomZ

Ok, so the reason I'm asking is simple. I need two new tires for the rear but my fronts are fine. (will get measurements later).

Im stock wheels on 17 NISMO. 285/245. If I went with 295 on Rears, keeping fronts at 245, what are the the consequences, if any?

That's why I was asking for a ratio or standard formula. I know what the ratio is right now by doing simple math. However, does that formulation work the same way as I start going to slightly larger sizes? I'm guessing going to 295/255 eventually wont make a difference?

I will stick with the Bridgestone S001 for now and will change brand on all 4's when time comes.

Long as you are within the 3% of height difference. If you are going with 245/40-19, 295/30-19, You're close at 2.7% Once you get to the 3% difference. Your dash lights will light up.

tvfreakazoid · 02-06-2020, 04:41 PM

Quote:

Originally Posted by Rusty

Long as you are within the 3% of height difference. If you are going with 245/40-19, 295/30-19, You're close at 2.7% Once you get to the 3% difference. Your dash lights will light up.

If u go slightly wider like he wants to 285 to 295, that should be fine. Now if he goes any wider than 295 than he would need wider wheels.
At least that's what I've read.
I have 255 all around stock. Going to 265 is good. But going 275 is not.

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02-03-2020, 03:01 PM	#1 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 761 Drives: 17' 370Z Nismo Rep Power: 40617	Tire Stagger Is there a general rule or a ratio on size difference between rear and front tires? TIA ZZ Last edited by ZoomZ; 02-03-2020 at 03:04 PM.

02-03-2020, 06:05 PM	#3 (permalink)
OptionZero A True Z Fanatic Join Date: Apr 2011 Location: Sacramento Posts: 3,237 Drives: 15 370Z Nismo 6MT Rep Power: 214100	the diameters must be within 3% of each other (i think thats the right number) or else the electronics will hate you God-Speed, Rusty, Hotrodz and 1 others like this. __________________ OptionZero Build Thread

02-03-2020, 06:17 PM	#4 (permalink)
tvfreakazoid A True Z Fanatic Join Date: Jan 2009 Location: kommie kali Posts: 1,238 Drives: 2015 Audi S5; 6spd. Rep Power: 10324	I know on my audi s5, I have 255/35R19. If I go 20" wheels than I need to decrease my side wall height to 30. If u go 21" wheels than 25. But this is what I read. Sent from my SM-G965U1 using Tapatalk __________________ Mudders milk

02-03-2020, 07:47 PM	#5 (permalink)
crazy4oldcars Enthusiast Member Join Date: Aug 2016 Location: SE Texas Posts: 448 Drives: '16 Nismo Tech Rep Power: 28413	I think the OP is asking if there is a preferred proportion between width of the front and width of the back tires. NISMO stock tires are 245/285, or the fronts are ~86% as wide as the rears. Is there a point beyond which it adversely effects handling? Kirk B. tvfreakazoid and ZoomZ like this.

02-03-2020, 07:48 PM	#6 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 30	More front tires, better and quicker turn in, but easier for the back to step out Hotrodz likes this.

02-03-2020, 08:20 PM	#8 (permalink)
cossie1600 A True Z Fanatic Join Date: Jun 2009 Location: californee way Posts: 5,380 Drives: 370, Leaf Rep Power: 30	Yes and more traction off the line

02-03-2020, 11:01 PM	#9 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,228 Drives: 2011 Nismo GM 6M Rep Power: 2684438	I'm running 285/35-19 front and 345/30-19 rear. And track the car. ZoomZ likes this. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

02-05-2020, 04:50 PM	#12 (permalink)
OptionZero A True Z Fanatic Join Date: Apr 2011 Location: Sacramento Posts: 3,237 Drives: 15 370Z Nismo 6MT Rep Power: 214100	for PERFORMANCE? you should read the track forum extensively but in summary, the preference is little or no stagger, 275 or 285 square for naturally aspirated cars add more power and the equation changes ZoomZ likes this. __________________ OptionZero Build Thread

02-06-2020, 03:14 PM	#13 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 761 Drives: 17' 370Z Nismo Rep Power: 40617	Ok, so the reason I'm asking is simple. I need two new tires for the rear but my fronts are fine. (will get measurements later). Im stock wheels on 17 NISMO. 285/245. If I went with 295 on Rears, keeping fronts at 245, what are the the consequences, if any? That's why I was asking for a ratio or standard formula. I know what the ratio is right now by doing simple math. However, does that formulation work the same way as I start going to slightly larger sizes? I'm guessing going to 295/255 eventually wont make a difference? I will stick with the Bridgestone S001 for now and will change brand on all 4's when time comes.

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