Wheel Offset Calculator
- Thread starter MS3077
- Start date
My wheels are 18X7.5 +42offset. According to the wheel offset calulater compared to stock I'm:
Inner Clearance: 4mm MORE (.15inches)
Outer Position: EXTEND an extra 16mm (.62 inches)
I haven't noticed any rubbing or anything but I do plan on getting the Cobb or MS springs.
Do I need to consider getting new wheels?
Inner Clearance: 4mm MORE (.15inches)
Outer Position: EXTEND an extra 16mm (.62 inches)
I haven't noticed any rubbing or anything but I do plan on getting the Cobb or MS springs.
Do I need to consider getting new wheels?
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http://www.rims-n-tires.com/rt_spec...3 configuration&text2=18x8.0 with 40mm offset
Package will stick out 16 mm (0.6'') farther. Make sure that you have enough room under the fender. If not, consider narrower tires or higher offset.
Package will stick out 16 mm (0.6'') farther. Make sure that you have enough room under the fender. If not, consider narrower tires or higher offset.
My question is that too much? I mean it's only like 1/2inch.
18X8 +49offset sticks out the same distance...
Also my tires are 225/40/18's - wider & lower profile than stock which gives it more clearance.
Can anyone say YES or NO without a doubt?
Would really like to know as this could potentially cause me a massive headache in the future if it messes up my suspension, etc.. I don't have a problem forking over another 1k + for wheels if I really need to..
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So you're saying that with my set up I should be rubbing and it's too low?
The place I bought my wheels from said they fit fine. Do you think I should get a refund if my wheels aren't within specs of my car since they said they'll work? I think I'm going to go back there and tear them some new ass-holes!!!
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no and no, your good at stock ride height
the thing is all the posts have said not to go over 5 from factory offset, that means keep to 48ish and up, as you will significantly change the suspension geometry. read through some threads, I stayed with 48 as it's very close to stock. alot of places will tell you it's ok because thats the only wheel they can get in the style you like.
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Okay thanks!
To be on the safe side I still think I should be at a higher offset. Hopefully within the next 6-months I can get another set.
Just sucks that I pissed away 1k on wheels that aren't right for my car
I think I'm going to go with the: OZ Racing Ultraleggera Black Wheels: 18" x 8
I'm looking at an 18x8 with a 50mm offset and 235/40/18 tires. 2 questions are will they fit without rubbing at the stock ride height with no drop? and will they fit with lets say a 1.0" drop like the cobb sport springs?
Holy thread jack batman!
nautical2086
Member
- :
- 1999 Mazda Protege ES
still trying to find out what offset is the right one for me car.
nautical2086
Member
- :
- 1999 Mazda Protege ES
so what exactly is the offset? is it the measurement from one side of the wheel to the other side in mm?
What you described is the width of the rim. Widths of rims are in Inches (8" rim = 203.2mm)
Offset is the distance from the centerline of the wheel to the back of the hub in millimeters.
One thing to note is that the outer position of the wheel is dependent on both the offset AND the width. There is no single perfect offset that covers all widths of wheels for the MS3. The offset will be different for different width wheels.
nautical2086
Member
- :
- 1999 Mazda Protege ES
thanx for the help.
I disagee.
What you want to do is keep the centerline of the contact patch as close to stock as possible to do that with any width rim you need to stay as close to factory 52.5mm offset (Within 4mm imo). So 48-53 is the optimal range. The widest wheels that fit on these car is 8.5''. To keep them as far away from the fender as possible a 52-53 mm offset works the best. Any higher than 53 and it will hit the strut. So from 7-8.5 there is no reason to deviate from the stock offset imo.
Where are you getting this information from?
Please site creditable source/sources to support this claim.
I'm not saying you're wrong but I just honestly want to know for sure.
Is this just another theory or has it actually been proven?
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I have been trying to dig up a good article to back this up for you. My opinions are based off of reading up alot on wheels/suspension.
These articles do not really delve into offsets very deeply, however they are very informative. They show the effects of compromized Suspension geometry. Also you will notice that important things like roll center are affected by where the center of the contact patch is. So imo one should stay near factory offset so as to keep the center of the contact patch in the same spot.
Please read through these and I'm sure you will agree that suspension geometry needs to be considered when making any changes to your car.
http://www.sportcompactcarweb.com/tech/0506_sccp_making_it_stick_part_1
http://www.sportcompactcarweb.com/tech/0507_sccp_making_it_stick_part_2
http://www.sportcompactcarweb.com/tech/0508_sccp_making_it_stick_part_3
http://www.sportcompactcarweb.com/tech/0512_sccp_making_it_stick_part_4
http://www.sportcompactcarweb.com/tech/0605_sccp_making_it_stick_part_5
http://www.sportcompactcarweb.com/tech/0607_sccp_making_it_stick_part_6
These articles do not really delve into offsets very deeply, however they are very informative. They show the effects of compromized Suspension geometry. Also you will notice that important things like roll center are affected by where the center of the contact patch is. So imo one should stay near factory offset so as to keep the center of the contact patch in the same spot.
Please read through these and I'm sure you will agree that suspension geometry needs to be considered when making any changes to your car.
http://www.sportcompactcarweb.com/tech/0506_sccp_making_it_stick_part_1
http://www.sportcompactcarweb.com/tech/0507_sccp_making_it_stick_part_2
http://www.sportcompactcarweb.com/tech/0508_sccp_making_it_stick_part_3
http://www.sportcompactcarweb.com/tech/0512_sccp_making_it_stick_part_4
http://www.sportcompactcarweb.com/tech/0605_sccp_making_it_stick_part_5
http://www.sportcompactcarweb.com/tech/0607_sccp_making_it_stick_part_6
