Determine offset, and how to fit new wheels.

[mrmarbles]

So I just snagged these new wheels from a local forum for super cheap. After a quick test fit (After I already bought them) they wheels poke out about an inch or so front and back.

I have some JIC Magic coils and some RUCA's, so I've already dumped the car on stock SE's. I don't know if I can make these fit or not. I can post a picture later if needed.

Is it possible to make this fit at all, with a roll, pull, and camber? Or will I need overfenders? If anyone has had the same issues let me know what you did, and how you got this wheel to fit!

15x8 offset unknown.

So I figured I'd do some measuring and math.

From the face that of the bolt pattern that to the hub to the inside of the wheel is 3 inches. From the same face to the outside lip is 6 inches. Taking into account that the wheel size is actually from tire placement to tire placement, not lip to lip, the measurements should actually be 2.5 inches, and 5.5 inches, to make it an 8 inch wheel.

converted to millimeters, thats 203.2 mm wide, 63.5 mm to the inside, and139.7 mm to the outside.

With those measurements, that means I have a *NEGATIVE* 38.1 mm offset.

If offset were zero... (203.2/2 = 101.6) Actual measurements...(101.6 - 63.5 = 38.1)and (139.7 - 101.6 = 38.1)

Does this even make sense? I was told the wheel was an American Racing wheel. It is 15x8. Who makes a 15x8 -38 wheel?

[mrmarbles]

I did more calculations real quick. Even measuring entire width (9 inches) and keeping full measurements for offset, it turns out to be -38.1 mm. How the hell am I supposed to run this?

Also, here are a few pics.

The pic on the add.

Someone else running supposedly the same wheels. I don't think the offset is the same if he tucked it under the fender with that slight of a pull.

[simmode1]

I dunno man... the offset on thos two set of wheels look pretty similar to me. The black hatc was able to fit them by running stretched tires with what looks like maxed out camber.

You've got some work ahead of you! I'd say first, stretch something like 195/55/15's on and go from there. It's gonna be badass when you finish though...

[Kalypso]

its not that complicated...

the last step is too measure the surface of your hub out horizontally to the lip of your fender.

... or better yet... just mount the wheels and see what happens.

or you can do what sim says... and

go to zilvia and read their wheel fitment thread (and rimtuck also) . im sure you'll be fine, sticking out one inch will actually look sick, get a fender puller and do damage

I hope you're ready for how sick your car is gonna look.


Modified by Kalypso at 1:45 AM 10/28/2009

[mrmarbles]

I already measured out to the lip. I also test fitted. It pokes out at least an inch. I just don't know how far a stock fender is able to be pulled.

And I don't want to run a crap ton of camber. This is my daily. I don't want to go through tires every 3 months.

But I gotta do what I gotta do to look sick.

PLUS! I painted the wheels today. Purple with a painted silver lip. I think it looks SICK. I'll post pics up later for sure.

[Kalypso]

you can definitely pull fenders one inch...

rent a fender roller and do it, little by little.

the trick is to start high up and massage outwards as you move down.

[simmode1]

PLUS! I painted the wheels today. Purple with a painted silver lip. I think it looks SICK. I'll post pics up later for sure.

OMG yes, plz post pics. Also, I was thinking if you decided not to got thru with pulling the fenders, depending on your car color, those wheels would look dope slammed with some old school ZG flares...

[mrmarbles]

Flares were my first thought actually. But my car is too stock and too slow to pull off over fenders or flares.

I think I'm going to pull the fenders, slam it some more, and find a decent lip. I'll be flossin.

[mrmarbles]

I also found these on rimtuck. 15x8 and -30 offset. thats basically 1/3 of an inch less than what I'm poking out. So I'll just need a SERIOUS pull, anyone know where I can rent a fender roller to get this done?

[simmode1]

At first, I thought "Is that what he calls a serious pull? That's pretty mild, IMO." And then I noticed the front fenders... Yeah, I dunno man. Looks like theat guy went overboard. Use even smaller tires and you'll have an easier time, I think.

Schertz, TX is nearby San Antonio right? There's gotta be some performance shop or somebody on CL around with a fender roller... I vaguely remember someone renting one out in the NICO classifieds...

[mrmarbles]

Yeah, Schertz is NE San Antonio. I found a buddy that has a roller, and another that has a heat gun. I'm starting to get a little scared about pulling the fender that far. I don't mind the rear, I can pull that. Pulling the front that hard scares me though.

So I tried to find stock 240s with those zg flares, cause I love the look of em.



Found this in the definitive pic thread here on nico. Don't know the wheel size, but he's running a 30 mm spacer. And from the test fit, it looks like the same amount of poking out.

If anyone finds any other pics of a stock or nearly stock s13 with flares that can pull it off, post em up. I'm starting to lean more toward those zg flares. Also, if anyone knows a decent place to get them and which ones I need to get, let me know.

[Kalypso]

there are sites where you can rent fender rollers... (rollmyfenders.com ? ) im not sure... once again im lazy.

RUCA's are the shyt...

rotating tires is also not a serious problem,and camber isnt a bad thing

15 x 10 - 45 ( 50mm rear / 20 mm - front overfenders )


Modified by Kalypso at 7:32 PM 10/28/2009

[mrmarbles]

I'm not afraid of camber, but I really don't want to go through tires every 3 to 6 months cause I have excessive amounts of it. I have RUCA's, and I'm still running a decent amount of camber on my stock wheels, just cause I hated the feeling of rear sidewall once I started to even the camber out.

I do love the look of overfenders, but I'm not going to spend a ton of money on them. and i dont want to cut up my fender and weld or rivet them in all for 100 dollar wheels.

I really think those are the only options. A nasty roll and pull, overfenders, or fender flares.

I'm really starting to love these though. Like simmode posted earlier. ZG flares for an S30.

[simmode1]

http://www.bings.ca/index.php?...ild=8

Scroll down and you'll see the flares...

[one love drifting]

hey do myou know what those rims are called because i have the same type of rims but with a difrent bolt pattern.... i could never find out what there called but it would help to know

heres my car with those rims... i had to roll the fenders for sure cause of the crazy offset on them..

[mrmarbles]

Looks pretty good man. I was told they were old American Racing wheels. I don't know if I believe that or not. There's no brand casting or anything, and I don't have any center caps. I guess it'll remain a mystery.

In the mean time, here is what I ended up doing.



It sits lower all around now. I've been meaning to get some new fenders and redo the fronts right. Cutting out the excess fender and whatever. Enjoy.

[keith0486]

looking good needs to be a tad lower to pull off the look tho.