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Wheel Offset Guide - 6G Celicas Forums

Topic #32534 351 posts Started by WannabeGT4
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QUOTE (trdproven @ Jul 29, 2009 - 11:23 PM) *
>we need to relook the offsets and widths again because even 7.5" with a 32 offset is still tucked in and my drop is 3.something inch drop. does anyone have a 9 or 9.5 inch wheel deep dish or staggered style preferred like a rwd car?

Id like to see that too. I want that for my future setyup.

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Your wheels should tuck under the fender - otherwise your fender would destroy the tire, or they would stick out and would require a stupid amount of camber to get them to fit.


If you think you can go out more, go buy a 5mm spacer. You can go up to 8mm before you will need to think about getting extended studs.


So your options are a 3mm spacer (+29), 5mm (+27) or 8mm (+24). All of which will probably require you to roll your fenders or raise your car up (or both).


1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
IMO, you could MAYBE squeeze a 9"-9.5" wheel in the back, but I just don't see it happening in the front without hitting something like the suspension or the fender. a 9.5" ET35 wheel vs. a 8" ET35 wheel will extend 19mm (an inch is 25.4mm) outward, and extend 19mm toward the suspension. The wheel will definately stick out past the fender (in the front, it may stick out a little in the back too) and it may also hit the shock tower.

I honestly don't understand the point of putting a wheel that wide on there, this car isn't a 240sx... If you want it to have a RWD deep dish look to it, just get a lower offset. for example 18x8 ET32 in the front, and 18x8 ET22 in the back. And pick a wheel design with a lip. Some wheels with lower offsets just angle the spokes so the spokes are still towards the front of the wheel, if that makes sense? rolling the fenders will probably still be necessary.

one more thing, you may notice a lot of these cars with flush and wide wheels are running skinny tires and stretching them onto the wheels. I think this can make the wheel appear wider than it is, so maybe consider going with like a 205/45/18 or something.

94 GT - Sold -------- 69 Pontiac Lemans - Sold88 Alltrac - Sold ---- 04 WRX - Sold00 GT-S - Sold ------ 91 Miata - project/drift car95 GT - Sold -------- 96 GT - New Daily Drive
They're not stretching the tires to make the wheels look bigger, they do it because otherwise the fender would hit the tire. Stretched tires look bad on anything other than Euro cars - like a nice MKII vw GTi.

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
No, they still look bad. Granted, not as terrible as on other cars, but I hate that look.



This post has been edited by SwissFerdi: Jul 29, 2009 - 2:06 PM

'97 ST\ Eibach \ KYB \ Kenwood \ Alpine \ Cusco \ OEM+[sold 10/18]'93 MX-5LE
Drool

You can't say that because the tires are stretched that you don't like this.



This post has been edited by 95CelicaST: Jul 29, 2009 - 2:14 PM

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
If it wasnt raining like a crazy I would go do a photoshoot of my car.

However, you will have to go with my word for now.

17x8.5 +31 running 215/45 up front. I could fit a 17x9 or 9.5 up front. I just dont want to hassle with testing right now.
17x9.5 +23 running 235/45 in rear. (Flush as hell, fender roll needed)

Camber is at 0 both front and rear.

I am on Tein S-Techs right now. Will be swapping to K-sports in the next month to get rid of my fender gap.




This post has been edited by Harold_Fastwaker: Jul 29, 2009 - 5:29 PM

:.....Flush Wheel Fitment Guide.....:
^ Any more shots?

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QUOTE (whatthe @ Jul 29, 2009 - 10:47 PM) *
>^ Any more shots?



I am going to do a shoot tomorrow with it so long as it does not rain again. So I will post up a new thread in the multimedia section.

:.....Flush Wheel Fitment Guide.....:
i know this is old... but would a 18 x 8 work better with a 37 offset or a 25 offset ? can anyone help me with this ? would a 19 x 8.5 be beter witha 45 offset ? helppp
+45 is a no no.

37 would be a safe bet, but 25 would be hella flush.


My vote is +25.

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
+25 for sure smile.gif

[b]My Build Thread|Flickr|My Blog
8.5 wide et25 in the front will be close to flush. But it will fall short in the rear. 8.5 in the rear needs et10.

:.....Flush Wheel Fitment Guide.....:
yeah but will 18x 8 .. +25 offset even fit on the celia ???? like if i order them will they fit and not come out too far ?
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QUOTE (Harold_Fastwaker @ Jul 29, 2009 - 5:55 PM) *
>If it wasnt raining like a crazy I would go do a photoshoot of my car.

However, you will have to go with my word for now.

17x8.5 +31 running 215/45 up front. I could fit a 17x9 or 9.5 up front. I just dont want to hassle with testing right now.
17x9.5 +23 running 235/45 in rear. (Flush as hell, fender roll needed)

Camber is at 0 both front and rear.

I am on Tein S-Techs right now. Will be swapping to K-sports in the next month to get rid of my fender gap.




do you think i would need a fender roll if i have 9.5 35 offset in the rear?

Representing the Convertible Crew since 2008
SoundSlut -

Yeah they'll fit. You will probably want to roll your fenders, but aren't you on air ride? You might not have to then.

Like Harold said (BTW - favorite user ever. Whole wealth of info on fitment) an 8.5" wide wheel at +25 would be close to flush, and will fit fine in the rear.


I'm going with 16x9 +25 wheels and on paper they're going to fit perfectly with my fenders rolled flat.


Freddy -

There was a guy from the Netherlands (I think) that hasn't been on in a while, but he had a 9.5" +35 wheel and he said he had to do some fender rolling, but otherwise he was fine.

This post has been edited by 95CelicaST: Oct 6, 2009 - 5:16 PM

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
25 at 8.5 yes but +25 at 8 will be fine too then ? mainly becuz i am going to go with the 18"

This post has been edited by SoundSlut_dotcom: Oct 6, 2009 - 5:24 PM
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QUOTE (SoundSlut_dotcom @ Oct 6, 2009 - 3:23 PM) *
>25 at 8.5 yes but +25 at 8 will be fine too then ? mainly becuz i am going to go with the 18"


You'll have 6mm more clearance on the inside between the rim and the strut, as well as sit 6mm more inside the fender with an 8" wide wheel than an 8.5" wide wheel at a +25 offset.

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
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QUOTE (95CelicaST @ Oct 6, 2009 - 3:33 PM) *
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QUOTE (SoundSlut_dotcom @ Oct 6, 2009 - 3:23 PM) *
>25 at 8.5 yes but +25 at 8 will be fine too then ? mainly becuz i am going to go with the 18"


You'll have 6mm more clearance on the inside between the rim and the strut, as well as sit 6mm more inside the fender with an 8" wide wheel than an 8.5" wide wheel at a +25 offset.


so basically a 18 x 8 25 offset will fit and look good? or flush for that matter
Whoa, Whoa, Whoa, Hold your horses people. wink.gif

One thing that everyone forgets when talking about offset is that it is relative to the width of the wheel. 25mm on an 8 inch rim could be TOTALLY different than 25mm on another width of rim.

That being said, 25mm on an 8 inch rim is not a good idea for a lowered vehicle. The lower the offset number on the same width rim, the further it will stick out of the wheel well... From the measurements I was given by slowrider and jgreening a few years ago 40mm is recommended for lowered vehicles. 25mm will stick out almost an inch further and you'll almost certainly have clearance issues with the rear fender. I doubt you'll want to take a risk with your paint job trying to roll your fenders to get them to clear...

Someone mentioned air ride as well... How much larger/smaller are the bags compared to the normal spring/strut combo? If they're larger this is all a moot point and I'd recommend trying some wheels on before making a purchase.

Project ST204.5 99.88946% complete...
No one is saying that it isn't relative to wheel width, but do the math, a .5" reduction from a wheel will be .25" from each side of the centerline. .25" = 6.35mm, or just 6mm. Now, with an offset of +25 on an 8" wide wheel means that of the 203mm of width (8", keep up.), 126.5mm is behind the mounting surface, and 76.5mm is in front.

If you do the math on paper, and then measure your distance from your mounting area out to the fender and in to the strut you'll be able to see if it fits. Which it will.

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
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QUOTE (95CelicaST @ Jul 29, 2009 - 1:09 PM) *
>Stretched tires look bad on anything other than Euro cars - like a nice MKII vw GTi.



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QUOTE (95CelicaST @ Oct 6, 2009 - 5:13 PM) *
>I'm going with 16x9 +25 wheels and on paper they're going to fit perfectly with my fenders rolled flat.


haha you know if you put a 16x9 on a celica you'll have to stretch
I'll clarify when I get home. I'm not linking pictures from my cell phone.

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
This is what I am talking about when I refer to "stretch". There is a certain amount that is fine. Such as Harold's tires. My tires won't be stretched much.


This = bad



This = good

1991 MR2 - T-tops - Crimson Red - Gen3 3SGTE - Lots of moneyI'm not really an asshole, but I play one on the internet.**** Photobucket
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QUOTE (SoundSlut_dotcom @ Oct 6, 2009 - 6:38 PM) *
>so basically a 18 x 8 25 offset will fit and look good? or flush for that matter



It will be close to flush in the front. This would be your best bet. As for the rear, you need a spacer if you want +25 all around. 20mm spacer would make the rears flush. You will have crazy strut clearance with 8in wide wheels at this offset as well.




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QUOTE (WannabeGT4 @ Oct 6, 2009 - 6:55 PM) *
>Whoa, Whoa, Whoa, Hold your horses people. wink.gif

One thing that everyone forgets when talking about offset is that it is relative to the width of the wheel. 25mm on an 8 inch rim could be TOTALLY different than 25mm on another width of rim.

That being said, 25mm on an 8 inch rim is not a good idea for a lowered vehicle. The lower the offset number on the same width rim, the further it will stick out of the wheel well... From the measurements I was given by slowrider and jgreening a few years ago 40mm is recommended for lowered vehicles. 25mm will stick out almost an inch further and you'll almost certainly have clearance issues with the rear fender. I doubt you'll want to take a risk with your paint job trying to roll your fenders to get them to clear...

Someone mentioned air ride as well... How much larger/smaller are the bags compared to the normal spring/strut combo? If they're larger this is all a moot point and I'd recommend trying some wheels on before making a purchase.



Cool your jets champ. smile.gif et40 looks like **** no matter how you run it. Go look at my post in this thread on my wheel fitment. I have no rubbing issues what so ever and have my Camber set at 0.

The whole, lowered cars use this offset and stock height use this is a bunch of crap. I may actually make a proper fitment guide tonight on wheel sizes and what is actually flush. (Flush does not mean, still sinks inside the fender, that would be sunk.)


As for soundslut, we already know the width and offset. Therefore, we do not have to randomly guess what would be flush.



Now. As for Fender rolling. The fronts are pretty much rolled for you from the factory. You can crush the plastic in a bit if needed, but I found they were rolled enough to not cause any issues. The rears need a good roll. I flattened the lip and that is all. I DID NOT pull my fenders at all to make my wheels fit.

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QUOTE (freddy121389 @ Oct 6, 2009 - 6:06 PM) *
>do you think i would need a fender roll if i have 9.5 35 offset in the rear?



Yes. Just roll the inside lip, dont worry about pulling the fender though.

:.....Flush Wheel Fitment Guide.....:
I used measurements from two people's cars and deduced the best offset/width combonations from the information they provided. If 40mm offset on an eight inch rim is what clears with no modification that's what I'll suggest. If you think it'll work even though it sticks out almost a whole inch than what has been proven I hope you're sure cause I'd hate for him to be out several hundred dollars.

No need to be a douche about it either. I don't have a whole lot of time anymore to read the forums and last I looked at this thread a few months ago the relation to wheel width wasn't being considered in some peoples suggestions.

Considering the stretch of the sidewall, how much comfort do you want to give up to get a flush rim. The more you stretch an already lower profile tire the more harsh the ride will be... it's very possible to fit all sorts of offsets with tires having sidewalls stretched to the max. I'm pretty sure the people I got my info from weren't using anywhere near that stretched of a tire.

This post has been edited by WannabeGT4: Oct 6, 2009 - 7:42 PM

Project ST204.5 99.88946% complete...
so was going to buy some H&R spacers on friday, 10mm on each wheel, currently have an offset of ET38 on a 17x7 rim, you think this going to ok? effectively the offset would become ET28, i'm lowered on Tein S.Techs so its not on a mega drop
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QUOTE (Tom_SS2 @ Oct 6, 2009 - 8:53 PM) *
>so was going to buy some H&R spacers on friday, 10mm on each wheel, currently have an offset of ET38 on a 17x7 rim, you think this going to ok? effectively the offset would become ET28, i'm lowered on Tein S.Techs so its not on a mega drop



you will have plenty of space for the wheel to sink inside the fender. You will be about 18mm shy of being flush.

This post has been edited by Harold_Fastwaker: Oct 6, 2009 - 8:07 PM

:.....Flush Wheel Fitment Guide.....:
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QUOTE (WannabeGT4 @ Oct 6, 2009 - 8:28 PM) *
>I used measurements from two people's cars and deduced the best offset/width combonations from the information they provided. If 40mm offset on an eight inch rim is what clears with no modification that's what I'll suggest. If you think it'll work even though it sticks out almost a whole inch than what has been proven I hope you're sure cause I'd hate for him to be out several hundred dollars.

No need to be a douche about it either. I don't have a whole lot of time anymore to read the forums and last I looked at this thread a few months ago the relation to wheel width wasn't being considered in some peoples suggestions.

Considering the stretch of the sidewall, how much comfort do you want to give up to get a flush rim. The more you stretch an already lower profile tire the more harsh the ride will be... it's very possible to fit all sorts of offsets with tires having sidewalls stretched to the max. I'm pretty sure the people I got my info from weren't using anywhere near that stretched of a tire.




What I am say is try fitting a et53 9in wide wheel on our car as noted by your original calculations. It wont even come close to bolting up because the tire will have to go through the strut.

Yes, I realize your calculations are so people still have plenty of clearance for their sunk wheels. That is fine, in my world, it looks dumb. So in about 20 minutes I will post up the flush offset calculations.


As per low profile tires. I am running 45 series all the way around. I am not trying to be a douche. I am pointing out that the original calculations, which I realized are yours now that I went and looked are not right through and through.

:.....Flush Wheel Fitment Guide.....: