i30 Owners Club

18" wheel offset?

dean086 · 15 · 5360

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Offline dean086

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Hey guys

First post and fairly new to the forums. Got a set of 18 x 7.5"Mazda 3 wheels. Tried them on my FD Slx. all seems to sit well with no rubbing etc.one thing i realised the offset is +52.5 and I am just wondering if these will cause any other troubles due to the offset. Centre bore size is the same as originals 67.1 and tyres are 225/40/18 and within correct load rating.
Any comments are appreciated. Thanks.
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Offline Shambles

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Quote
First post

...

Any comments are appreciated

It's not your first post :P
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Offline dean086

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You are right. Lol. First post this year :P
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Offline rustynutz

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Offline dean086

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 :head_butt: I'm definitely going crazy tonight lol. Now we got that sorted, any thoughts on the wheel offset?
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Offline Just Rick

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not sure whether it will cause mechanical problems,but could cause some legal ones,by changing the wheel offsets you have changed the original tracking of the car,I know in rolling radius you are only able to change it by 3%,but I'm sure that you are not permitted to change the tracking of the vehicle,I'm no expert only passing on what I have heard and read,others here may be more offay with MV Reg's
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Offline baroudeur

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Hey guys

First post and fairly new to the forums. Got a set of 18 x 7.5"Mazda 3 wheels. Tried them on my FD Slx. all seems to sit well with no rubbing etc.one thing i realised the offset is +52.5 and I am just wondering if these will cause any other troubles due to the offset. Centre bore size is the same as originals 67.1 and tyres are 225/40/18 and within correct load rating.
Any comments are appreciated. Thanks.

Try this calculator

http://www.1010tires.com/Tools/Wheel-Offset-Calculator

Standard Hyundai wheel offsets re

R15 185/65 (5.5J x 15 5x114.3 d67.1 ET47.0)
R15 195/65 (5.5J x 15 5x114.3 d67.1 ET45.0)
R16 205/55 (6.0J x 16 5x114.3 d67.1 ET51.0)
R17 225/45 (7,0J x 17 5x114.3 d67.1 ET56.0)

Looks like you will need  56 offset and lock stops
« Last Edit: March 24, 2013, 16:27:56 by baradeur »


Offline Surferdude

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Hey guys

First post and fairly new to the forums. Got a set of 18 x 7.5"Mazda 3 wheels. Tried them on my FD Slx. all seems to sit well with no rubbing etc.one thing i realised the offset is +52.5 and I am just wondering if these will cause any other troubles due to the offset. Centre bore size is the same as originals 67.1 and tyres are 225/40/18 and within correct load rating.
Any comments are appreciated. Thanks.

Try this calculator

http://www.1010tires.com/Tools/Wheel-Offset-Calculator

Standard Hyundai wheel offsets re

R15 185/65 (5.5J x 15 5x114.3 d67.1 ET47.0)
R15 195/65 (5.5J x 15 5x114.3 d67.1 ET45.0)
R16 205/55 (6.0J x 16 5x114.3 d67.1 ET51.0)
R17 225/45 (7,0J x 17 5x114.3 d67.1 ET56.0)

Looks like you will need  56 offset and lock stops
Just on clearance. Fit them to the car, lower it, move it backwards and forwards a few meters to settle the suspension and try them on full lock, both ways. make sure they don't rub epsecially at full lock. Then you need to drive the car. And satisfy yourself it won't do anything unpredictable under emergency braking/ swerving.

Personally I'm against altering offset from the recommended but the difference in this case doesn't seem like much. Others may disagree and I'm not advocating you do it. It's just that sometimes I know people like to "try" things. So the above guidelines should give you something to work on.

Also, make sure the tyres are not poking out beyond the guards. That's a sure attention getter for the police.
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Offline komaterpillar

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take a look at this thread from when i fitted 18's to the wifes car

https://www.i30ownersclub.com/forum/index.php?topic=13838.msg151976#msg151976

the wheels i fitted were +45mm offset and there is no dramas with rubbing at full lock without the rack spacers fitted. although your new wheels are +52.5 offset so they will sit 7.5mm further in (closer to the car) you may get rubbing on full lock, but i reckon it will be minimal wich could then be rectified by the hyundai rack spacers fitted to the sr's


Offline dean086

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Thanks. it gives me an idea. i did try them on one side to see how they looked and there was no scrubbing on front, but i am going to have to put all four on and double check once i give them a good clean. then if all drives well ill have to do something about removing the mazda badge in the centre. will keep you updated. here's a pic from when i test fitted them. what you think?
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Offline Surferdude

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Look pretty good actually.
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Offline rustynutz

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 :whsaid:

One of our other members fitted 18" x 7.5"  rims and has had no problems.....No idea what offset they were though.  :undecided:

https://www.i30ownersclub.com/forum/index.php?topic=8578.msg101553#msg101553


Offline komaterpillar

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nice work mate, they looks really good  :goodjob2:


Offline beerman

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Thanks. it gives me an idea. i did try them on one side to see how they looked and there was no scrubbing on front, but i am going to have to put all four on and double check once i give them a good clean. then if all drives well ill have to do something about removing the mazda badge in the centre. will keep you updated. here's a pic from when i test fitted them. what you think?

Ebay is your friend for the centre caps.
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Offline Asterix

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Thanks. it gives me an idea. i did try them on one side to see how they looked and there was no scrubbing on front, but i am going to have to put all four on and double check once i give them a good clean. then if all drives well ill have to do something about removing the mazda badge in the centre. will keep you updated. here's a pic from when i test fitted them. what you think?

That's looking really great, hope they will give you no problems... :goodjob2:
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