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Thread: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

  1. #1
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    Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    I'm ready to buy these Motegi MR7 in a 17" size. I have a stock S14 SE. The rims are 7 inches wide and have a 40mm offset. I don't know what all of this means, but can you guys recomend a tire size and spacers IF i have to use them. I just want them flush with the fenders and also for there to be no rubbing.

    THANKS YOU SO MUCH!!!

  2. #2

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Rule of thumb:

    17x8 offset from +30 to +35mm in front.

    17x9 +38mm in rear. Can range from +30mm to +40mm

  3. #3
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    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    my rims are only 7 inches wide all around and the offset is ONLY +40mm will this work or WILL I need spacers

  4. #4
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    They won't be flush -- you'll need spacers. Something like 15mm should do the trick up front, probably something a bit more out back?

    Of course, you'll need longer wheel studs too.

    Asad

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by NismoLuv:
    my rims are only 7 inches wide all around and the offset is ONLY +40mm will this work or WILL I need spacers<HR></BLOCKQUOTE>

  5. #5

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by asad137:
    They won't be flush -- you'll need spacers. Something like 15mm should do the trick up front, probably something a bit more out back?

    Of course, you'll need longer wheel studs too.

    Asad

    <HR></BLOCKQUOTE>


    wheel studs arent NEEDED. but they will improve the look of the car dramatically.

    from what i've heard about longer studs, they arent a good idea... if you buy the proper spacers, you wont need longer studs anyways... the proper studs being those with studs on them to attach to the wheels, and holes to lock down onto the wheel studs on your car.

  6. #6

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by T.Y.:
    Rule of thumb:

    17x8 offset from +30 to +35mm in front.

    17x9 +38mm in rear. Can range from +30mm to +40mm
    <HR></BLOCKQUOTE>

    from what i've played around with, it seems to me that every .5" difference in the wheel, there should be about a 10mm difference in offset to maintain the same fender/wheel line.

    i've got some 15x7 +8 offset wheels, and they match up close to exactly the same as my wheels that are 15x7.5 with +18.

  7. #7
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Well, using the definition of offset, for every inch of extra wheel width, you need 12.7mm more offset to keep the centerline of the wheel at the same position. This will make the outside edge of the wheel stick out an extra 0.5" from where it was before.

    So if you want to keep the outer edge of the wheel at the same position you need an extra 25.4mm of wheel offset for a 1" wider wheel, or 12.7mm for a 0.5" wider wheel, which is close to your 10mm value.

    Asad

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by SileightyManiaSPL:

    from what i've played around with, it seems to me that every .5" difference in the wheel, there should be about a 10mm difference in offset to maintain the same fender/wheel line.
    <HR></BLOCKQUOTE>

  8. #8
    **DONOTDELETE**
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    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    OK so from what I gather ON my 17x7 wheels I would need 20mm spacers of the stock ones to make them fit the same, but what abnout the offset of the wheel being 40mm already? Sorry I'm confused do spacer lower the relative offset of rims or increase them. Also are they safe?

  9. #9
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Spacers lower the offset. So a 10mm spacer on a +40 rim makes the offset equivalent to +30.

    Asad

  10. #10

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by NismoLuv:
    OK so from what I gather ON my 17x7 wheels I would need 20mm spacers of the stock ones to make them fit the same, but what abnout the offset of the wheel being 40mm already? Sorry I'm confused do spacer lower the relative offset of rims or increase them. Also are they safe?<HR></BLOCKQUOTE>

    yeah youre right. but you have to be careful of what size tires youre using... because if you use a wide enough tire, then using a 20mm spacer might not work.

  11. #11

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    I would recommend going with 225/45/17 tires and 15mm H&R spacers up front and 20mm H&R spacers in the rear. That is what I am working on with my s13, although I know the s14 has a lil more room, but your offset is actually 2mm lower than mine, so I believe that would work. Be prepared to dish out for those H&R's though...and remember to stay away from universal type spacers.

  12. #12
    **DONOTDELETE**
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Thanks for all the help guys, but would the Unviersal spacer from sononde like PDM not work, or are they unsafe? Also with 15 or 20 mm sapcers will I need longer studs? One last question what is the stock S14 16" rim offset?

  13. #13

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Universal spacers would work with longer studs, but you would literally have to stack them. You would most likely have handling issues like wheel shimmy and such, and some would argue that it is just plain dangerous as well as annoying. You are better off either buying rims with the proper offset or getting some H&R's.

  14. #14
    **DONOTDELETE**
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Is there something I am missing about the H&R spacers, Do they come with built in stud extentions or why are the better then universal ones? Sorry for all the questions

  15. #15
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Some of the H&R spacers bolt to the hub and have their own studs, but some are just spacers sorta like the universal ones. I think they have the correct hub bore, though, so you shouldn't have as many problems with wheel shimmy and whatnot as with the universal ones.

    Oh, btw: I know of one guy who had a problem with bolt-on wheel spacers (I don't know if they were the H&R ones, but they were similar in design) -- the spacer came loose while he was driving his car down the freeway, and the car was totalled.

    BTW, I think Don (at PDM) will make you some custom hubcentric spacers.

    Asad

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by NismoLuv:
    Is there something I am missing about the H&R spacers, Do they come with built in stud extentions or why are the better then universal ones? Sorry for all the questions <HR></BLOCKQUOTE>

  16. #16
    **DONOTDELETE**
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Okay after having a long conversation with my tire guy@ Just Tires he said that a 20mm Spacer is a must, also that the tires on a 7" wide rim should be 215/45/17 TO 235/45/17. Also the lug nuts will not work on extended wheel studs. A couple more questions, can I squeeze a 245/45/17 tire on this rim? Also with hubcentric spacers the studs shouldn't be longer than stock correct? Thanks

  17. #17
    **DONOTDELETE**
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Okay from tire rack I found that the best size is 225/45/17 or 235/455/14 both fit a 7" wide rim and also havce 833 revs which is close to the 835. Now on to the spacers, H&R makes some for about 100 dollars a pair are these the huubceentric ones? Will I need longer studs. Here's a link to the spacers http://www.optauto.com/webstore/basket.asp?in=yes Anyone know where I can find them instock?
    Thanks again H& R spacers

  18. #18

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Can I ask a question here?

    There seems to be a lot of talk about spacers lately and I keep thinking that the main reason people want them is for improving the look of the car. Fair enough.

    But are there other advantages that are noticeable to adding spacers...such as increasing the track? Is this something that you would actually feel as an improvement?

    Also, what are the disadvantages to increasing the track of the car? I imagine that the steering angles would be out of whack (the angle of the one wheel to the other during a turn). Is this the case? Also, does it stress the bearings excessively due to the longer moment arm it places on the hub assembly?

    I ask since I was really looking hard to match the stock offset of my rims when I bought my winter wheels/tires (based on the recommendation of many tire and wheel shops)
    and now it seems as if most people here on Freshalloy just play with their offset like it doesn't matter at all.

    Any thoughts?

    Ryan.

  19. #19
    Guest

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>Originally posted by 96S14:

    But are there other advantages that are noticeable to adding spacers...such as increasing the track? Is this something that you would actually feel as an improvement?
    <HR></BLOCKQUOTE>

    Yes, it'll increase the track...but there are downsides as well...


    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>
    Also, what are the disadvantages to increasing the track of the car? I imagine that the steering angles would be out of whack (the angle of the one wheel to the other during a turn). Is this the case?
    <HR></BLOCKQUOTE>

    There are some steering issues...I noticed when I put wider, lower-offset wheels on my car that I got a lot more bump-steer than I used to have. Just means I need to pay attention a little more

    <BLOCKQUOTE><font size="1" face="Verdana, Arial[/img]quote:</font><HR>
    Also, does it stress the bearings excessively due to the longer moment arm it places on the hub assembly?
    <HR></BLOCKQUOTE>

    Theoretically, yes. I'm not sure if this is actually a problem on our cars though.

    Asad

  20. #20

    Re: Rim/Tire/Offsets/Spacers HELP AGAIN PLEASE

    Thanks Asad,

    Your usual well thought out and helpful answers are appreciated.

    Ryan.

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