Quick will it fit

370Zena_33 · 06-17-2019, 07:38 PM

Why do you suppose it's the wrong way of doing it, is there a downside to taller tires?

jchammond · 06-17-2019, 08:56 PM

Quote:

Originally Posted by 370Zena_33

Why do you suppose it's the wrong way of doing it, is there a downside to taller tires?

Speedometer will read 3mph slow @75mph & you’re only closing gap by 1/2” over oem Nismo height tires in rear

May get the 4x effect

Ride would be smooth; but wouldn’t be as tight in the curves

Each is own/ I’ve seen 28’s on lowered Z’s look good

370Zena_33 · 06-17-2019, 10:26 PM

According to this website it says I wont lose any mph and it's pretty dead even with 255/45 and 285/40 https://tiresize.com/calculator/

jchammond · 06-18-2019, 02:39 AM

Quote:

Originally Posted by 370Zena_33

According to this website it says I wont lose any mph and it's pretty dead even with 255/45 and 285/40 https://tiresize.com/calculator/

Speedometer reads off the sensors on rear diff cover...they read the toner ring or stub shaft/ so regardless of differential gears- the speedometer will read correct,,,but diameter change affects them.
26.9” is dead on

Taller rubber & they’re slow; shorter rubber & they’re fast...it’s just the way it is

You’d put less miles on your Z

jchammond · 06-18-2019, 02:45 AM

Quote:

Originally Posted by 370Zena_33

According to this website it says I wont lose any mph and it's pretty dead even with 255/45 and 285/40 https://tiresize.com/calculator/

If they were those sizes on 18’s you’re correct

Also, if you dd your Z & live up North with terrible weather,snow,etc...the extra ground clearance may help ~ if you’re getting A/S tires...otherwise I’d have to agree with OptionZero about improper way you’re filling gaps

elhombre · 06-18-2019, 07:39 AM

Quote:

Originally Posted by jchammond

If they were those sizes on 18’s you’re correct

Also, if you dd your Z & live up North with terrible weather,snow,etc...the extra ground clearance may help ~ if you’re getting A/S tires...otherwise I’d have to agree with OptionZero about improper way you’re filling gaps

I live in CT and drove my car one winter, it was lowered on ARK GT-S springs with 18'' tires and it was a tank lol

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06-17-2019, 07:38 PM	#1 (permalink)
370Zena_33 Base Member Join Date: Oct 2013 Location: Charlton,ma Posts: 13 Drives: 2012 Nissan 370z Rep Power: 12	Why do you suppose it's the wrong way of doing it, is there a downside to taller tires?

06-17-2019, 10:26 PM	#3 (permalink)
370Zena_33 Base Member Join Date: Oct 2013 Location: Charlton,ma Posts: 13 Drives: 2012 Nissan 370z Rep Power: 12	According to this website it says I wont lose any mph and it's pretty dead even with 255/45 and 285/40 https://tiresize.com/calculator/