trying to decide on wheel sizes

nogoodname · 06-12-2009, 11:07 PM

go for 12 inch

remember that the G35 BBK's are not the same as the Z's BBK's...it's bigger bow

nogoodname · 06-12-2009, 11:08 PM

Quote:

Originally Posted by Argos

ohh and another question i have is why , on the rear tire aspect ratio , do people get a smaller size ....wont that mess up the look/drive ? ie - 30 vs 25

front -255-30-20
rear - 305-25-20

thats a good question, it's always like that..i got no answer...lol

every person that got rims on the G always got that...i was wondering the same thing as you

Argos · 06-12-2009, 11:24 PM

i think i will go for a 12 or at least 11.5 (usually like to go a half inch smaller to guarantee no rubbing) on the back , now i gotta start looking all over again took me two weeks to find ones i liked and in my price range , im kinda picky when it comes to my car , im sure u know exactly what i mean

, any good wheels sites to check out ?

nogoodname · 06-12-2009, 11:34 PM

i mainly just look at what the vendors got.

the forgedstars are pretty nice, they have a nice colour for any colour Z.

like piano black for a white z or a murdered out Z

titanium for blue and tone tone for greys.

360 rims are risky to get, that company almost went under......sevas rims have a bad rep.

modular concepts have nice rims, CF ones also

Argos · 06-12-2009, 11:39 PM

i wanted something with a deep lip and that mesh style , the BBS are nice but i dont even know if they make the sizes im now looking for plus i didnt wanna pay 6g's for rims

nogoodname · 06-12-2009, 11:42 PM

what colour is ur G by the way??

don't get the GT-30's....those have lips but the rims have been over used...too common and it's ugly to me....looks like toothpicks from hub to the rim....ha

Argos · 06-13-2009, 12:04 AM

lol , i got the dark grey color with the light grey/white interior , touring package and navi package no sport

nogoodname · 06-13-2009, 12:08 AM

nice, PG on Frost.....PG is the best one...

Argos · 06-13-2009, 12:31 AM

yea i love it , im just worried about the interior , never had suede before , plus since its such a light color , i find myself obsessing about who i let sit inside , haha . BTW now all u guys got me looking at are the BBS Lm's or the HRE 590r both really really expensive wheels

nogoodname · 06-13-2009, 12:37 AM

HRE are quite expensive, i dont even bother looking at them.

search for some volks rims, more affordable

Caravanshaka · 06-13-2009, 11:28 AM

Quote:

Originally Posted by Argos

ohh and another question i have is why , on the rear tire aspect ratio , do people get a smaller size ....wont that mess up the look/drive ? ie - 30 vs 25

front -255-30-20
rear - 305-25-20

The reasoning behind this is the second number in the tire size is going to be the sidewall height as a ratio of the width.

So, 255/30/20 = 26" diameter and 775 revs per mile
and 305/25/20 = 26" diameter and 776 revs per mile

The rear tire is nearly identical in overall diameter to the front, even though the sidewall height number is smaller.

if you want to compare tire sizes, use Tire size calculator

nogoodname · 06-13-2009, 11:32 AM

yea, it's height/width ratio

but if the fronts are 20in and the rear aswell.......i dont get how 255-30-20 ,305-25-20 are the same diameter...unless the wider tires are a bit taller

Argos · 06-13-2009, 12:15 PM

i kno the width is in millimeters but the diameter is in inches , that always messes me up , but i still dont understand why the hell people get a smaller aspect ratio for the rear

nogoodname · 06-13-2009, 12:29 PM

plug the values on the calculator, those sizes give the same diameter but the rear travel one mile more.......i dont get that....we really need tire tire sizes & offsets 101 here

Caravanshaka · 06-13-2009, 05:06 PM

That's the key, aspect ratio:

think of it as the sidewall height = (aspect ratio) x (width)

both wheels are 20 inch, so you want the same sidewall height on each to achieve the same overall diameter

for a 255/30, height = .30 x 255 = 76.5
for a 305/25, height = .25 x 305 = 76.5

hope that helps

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06-12-2009, 11:07 PM	#16 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	go for 12 inch remember that the G35 BBK's are not the same as the Z's BBK's...it's bigger bow

06-12-2009, 11:24 PM	#18 (permalink)
Argos Base Member Join Date: Jun 2009 Location: Miami Posts: 81 Drives: 09 nissan 370z Rep Power: 16	i think i will go for a 12 or at least 11.5 (usually like to go a half inch smaller to guarantee no rubbing) on the back , now i gotta start looking all over again took me two weeks to find ones i liked and in my price range , im kinda picky when it comes to my car , im sure u know exactly what i mean , any good wheels sites to check out ?

06-12-2009, 11:34 PM	#19 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	i mainly just look at what the vendors got. the forgedstars are pretty nice, they have a nice colour for any colour Z. like piano black for a white z or a murdered out Z titanium for blue and tone tone for greys. 360 rims are risky to get, that company almost went under......sevas rims have a bad rep. modular concepts have nice rims, CF ones also

06-12-2009, 11:39 PM	#20 (permalink)
Argos Base Member Join Date: Jun 2009 Location: Miami Posts: 81 Drives: 09 nissan 370z Rep Power: 16	i wanted something with a deep lip and that mesh style , the BBS are nice but i dont even know if they make the sizes im now looking for plus i didnt wanna pay 6g's for rims

06-12-2009, 11:42 PM	#21 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	what colour is ur G by the way?? don't get the GT-30's....those have lips but the rims have been over used...too common and it's ugly to me....looks like toothpicks from hub to the rim....ha

06-13-2009, 12:04 AM	#22 (permalink)
Argos Base Member Join Date: Jun 2009 Location: Miami Posts: 81 Drives: 09 nissan 370z Rep Power: 16	lol , i got the dark grey color with the light grey/white interior , touring package and navi package no sport

06-13-2009, 12:08 AM	#23 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	nice, PG on Frost.....PG is the best one...

06-13-2009, 12:31 AM	#24 (permalink)
Argos Base Member Join Date: Jun 2009 Location: Miami Posts: 81 Drives: 09 nissan 370z Rep Power: 16	yea i love it , im just worried about the interior , never had suede before , plus since its such a light color , i find myself obsessing about who i let sit inside , haha . BTW now all u guys got me looking at are the BBS Lm's or the HRE 590r both really really expensive wheels

06-13-2009, 12:37 AM	#25 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	HRE are quite expensive, i dont even bother looking at them. search for some volks rims, more affordable

06-13-2009, 11:32 AM	#27 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	yea, it's height/width ratio but if the fronts are 20in and the rear aswell.......i dont get how 255-30-20 ,305-25-20 are the same diameter...unless the wider tires are a bit taller

06-13-2009, 12:15 PM	#28 (permalink)
Argos Base Member Join Date: Jun 2009 Location: Miami Posts: 81 Drives: 09 nissan 370z Rep Power: 16	i kno the width is in millimeters but the diameter is in inches , that always messes me up , but i still dont understand why the hell people get a smaller aspect ratio for the rear

06-13-2009, 12:29 PM	#29 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1764	plug the values on the calculator, those sizes give the same diameter but the rear travel one mile more.......i dont get that....we really need tire tire sizes & offsets 101 here

06-13-2009, 05:06 PM	#30 (permalink)
Caravanshaka I shake Caravans Join Date: Apr 2009 Location: north Dallas Posts: 9,517 Drives: everyone crazy Rep Power: 42	That's the key, aspect ratio: think of it as the sidewall height = (aspect ratio) x (width) both wheels are 20 inch, so you want the same sidewall height on each to achieve the same overall diameter for a 255/30, height = .30 x 255 = 76.5 for a 305/25, height = .25 x 305 = 76.5 hope that helps