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Discussion Starter #1
Hello,

Sorry for having to start a new thread, but I just hope that someone could help me determine whether such a wheel will fit the Mazda3 Sport GT.

As stated in the subject, the rims are 18x7.5" with a bolt pattern of 5x114.3 and an offset of +42. I just picked up my car today so I am a newbie to everything about this car. I saw a set of used rims with these specs on the internet and I am considering it. I think these rims were for a late model Nissan 240SX.

Do you guys think that it will fit without any mods? Or do I have to add some spacers? or would it rub with no hope of installing them on the 3?

Any help would be greatly appreciated!!!

Thanks in advance!
 

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The MZ3 oem are 17x6.5-52.5mm

Given that 1 inch = 25.4mm:
(25.4/2)+(52.5-42) = 12.7 + 10.5 = 23.2mm closer to the fender
(25.4/2)- (52.5-42) = 12.7 - 10.5 = 2.2mm closer to the shock.

The 2.2mm closer to the shock is very likely not an issue but being about an inch closer to the fender may be a problem. It also depends on the tires size.

I have similar concerns on my sedan, I will try to figure out today the current oem fender clearance...
 

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Discussion Starter #3
Thanks very much for your help!

The seller has 225/40/18 on those rims right now. But the tire brand i have never heard of. So I will see if he could sell it without the tires.

Just one more concern... how is the factory warranty affected by changing the wheels on my car?
 

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tire rack shows a 18*7.5 42 offset 225*40*18 to be a correct fitment
www.tirerack.com
 

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I'm in the same boat, I have a set of 16x6.5 Nissan Altima alloy wheels...
 

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Discussion Starter #9
PhilGood said:
I'm in the same boat, I have a set of 16x6.5 Nissan Altima alloy wheels...
Does it have the same bolt pattern as the Mazda3? Did you test fit them and see if they fit?
 

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They have the same bolt pattern. The dealer lost my wheel lock key so I can't get my wheel off to test fit until they drill the wheel lock out!
 

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now the rack lists 215/40/18 as the correct fitment..there are very few (expensive) tires made in that size hmm.
iv had good luck with 205/40/17 khumo 712 on a 98 civic
i used toyo t1s previously on the civic,they were noisy,expensive ..not worth twice the price of th khumo !
 

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to bring this back up to question, i was looking at that miata tire calculator and it seems like 225/40/18 would be .1% too slow on the speedometer reading, while the size that tirerack recommends is 2.2% too slow...so wouldnt it be a wiser choice to go with the 225/40/18 tire size?

also....since its been a while since this topic was brought up, would these specs fit on our mazda3s sedan:

18x7.5 wheel w/ 5x114.3 bolt pattern, i dont know where it says the offset on wheelmax; but if you could suggest what it SHOULD be please do so!... these rims will be accompanied by 225/40/18 tires. just wanted anyones input on this.
 

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so what is this offset ppl are talking about carbonz? does it matter when picking a rim? because the wheelmax website doesnt list the offset but just the bolt pattern and size of hte rim.
 

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To get the offset from Wheelmax you have to call them. Also, Wheelmax does usually use well-known name brand tires in their packages. If you are going to buy from them I would do it over the phone. Ask them about your tire brand choices and what offsets are available in the wheel you want. If you are going with an 18x7.5 I would suggest a +48 or +45 offset. Wheelmax will give you a total package price over the phone with no obligation to purchase. Call and get a price quote and then shop around.
 

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cool thanks man! =D...+48 or +45 offset eh? thank u!
 

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I've already bought some 18X7.5 with +42mm....still waiting for my car tho :( I'll have pics as soon as the car gets here.
 

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I've already bought some 18X7.5 with +42mm....still waiting for my car tho :( I'll have pics as soon as the car gets here.
 
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