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trying to decide on wheel sizes

just got my 370z about two weeks ago and im looking at , some "petrol vengeance" wheels , i was looking at getting 20x8.5 in the front and 20x10 in

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Old 06-12-2009, 06:51 PM   #1 (permalink)
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Default trying to decide on wheel sizes

just got my 370z about two weeks ago and im looking at , some "petrol vengeance" wheels , i was looking at getting 20x8.5 in the front and 20x10 in the rear , do u guys think it will have an aggressive enough look , with the 370's wide rear flare out ? i dont want them too look to sunken in . or should i just start looking for 20's that come wider than 10 inches ? and if so can u guys throw out some suggestions of brands ?
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Last edited by Argos; 06-12-2009 at 07:10 PM.
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Old 06-12-2009, 07:54 PM   #2 (permalink)
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The main factor for fitment are the offsets. Can you list the offsets that you are considering?

8.5 front is a little weak, the stock RAYS wheels with the sport package are 9 inch wide in the front...I would suggest going with that width in front if you can.
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Old 06-12-2009, 08:37 PM   #3 (permalink)
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ummm what do u mean by offsets ?
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Old 06-12-2009, 08:49 PM   #4 (permalink)
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offsets are where the hub of the wheel is located on the rim....... right???

9-9.5 fronts and 10-10.5 rears.....something like that
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Old 06-12-2009, 08:57 PM   #5 (permalink)
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so what would be a good offset, i want the wheel as close to flush with the rear and front bumpers as possible , if i get 10.5 in the rear and 8.5 in the front (the rims i want only go 20 x 10.5 and 8.5 ) so i gotta get 8.5's in the front
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Old 06-12-2009, 09:00 PM   #6 (permalink)
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Quote:
Originally Posted by Argos View Post
ummm what do u mean by offsets ?
offset, please explain

this will explain offsets...if you do a search a couple people have posted calculators to give you a tool to calculate what offsets you want with what width wheels. Once the wheel width changes, the optimum offset changes as well.
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Old 06-12-2009, 09:06 PM   #7 (permalink)
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the rears can go up to 12...... get 9.5 fronts

20X9.5____255-30-20
20X12_____305-25-20


that looks super good.....i dunno about offsets though
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Old 06-12-2009, 09:11 PM   #8 (permalink)
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stock sizes are
fronts 18 x 8.0 with 225/50R18
rears 18 x 9.0 with 245/45R18

and for Sport with the BBK's
fronts 19 x 9.0 with 245/40R19
rears 19 x 10.0 with 275/35R19
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Old 06-12-2009, 10:29 PM   #9 (permalink)
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and stock offsets on the sport package are:

front +47
rear +30

for reference, I ordered forgestars in the following sizes:

19x9 +24 offset front
19x10 +20 offset rear

this will bring the wheels out to be a little more flush with the fenders
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Old 06-12-2009, 10:36 PM   #10 (permalink)
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^^ with ur specs, his should be

8.5 fronts (i prefer 9.5 but it's his Z) with +30

and rears 10.5 with +14


something is off here....lol


you try this with ur specs of 19x9 +24 offset front & 19x10 +20 offset rear
the stock specs are too sunk in.

Wheel Offset Calculator
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Old 06-12-2009, 10:43 PM   #11 (permalink)
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go 10in front and 11 out back
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Old 06-12-2009, 10:50 PM   #12 (permalink)
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Quote:
Originally Posted by nogoodname007 View Post
^^ with ur specs, his should be

8.5 fronts (i prefer 9.5 but it's his Z) with +30

and rears 10.5 with +14


something is off here....lol


you try this with ur specs of 19x9 +24 offset front & 19x10 +20 offset rear
the stock specs are too sunk in.

Wheel Offset Calculator
Rear with 10.5 should be +26 mm if you want to match the 19x10 +20
front with 9.5 would need +18 mm if you want to match the 19x9 +24..+20 would probably be pretty safe

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Old 06-12-2009, 10:59 PM   #13 (permalink)
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wait a second, let me try again

for same outer postion

8.5 fronts would need +18 and inner clearance would be 12mm more....no lip probably

9.5 fronts would need +30 and inner clearence would drop 12mm

10.5 rears would need +26
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Old 06-12-2009, 11:01 PM   #14 (permalink)
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lol it wasn't this complicated when i got my zenetti's for my g35 , i just went out and ordered 20x8.5 and 20x10 , iv been looking around and not many brands have 20 inch rims over 10.5 widths
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Old 06-12-2009, 11:06 PM   #15 (permalink)
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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
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