I'm going to be converting my 4th gen to 5 lug soon. Resulting in the need for some new wheels. I'm having trouble deciding which offset to go with. I know stock is 55mm for a 6.5" wide wheel. When you go wider, one has to bump things out a little. For example, my current wheels are 7.5" with a 43mm offset and 225 tires (if they were 1-2mm out more they'd be rubbing).

My question is that I understand that when doing the 5 lug conversion the hubs sit in 1/2" closer. That would seem to automatically mean that my wheels now need to sit out 1/2", or around 10mm. Meaning, a once optimal 55mm offset for a 6.5" wheel is now 45mm?

I would like to have at least a 215 wide tire, with the option of going 225. So judging from my current set ups fitment (12mm different than stock) that would mean my new optimal offset for a 225 tire is 45mm - 12mm = 33mm? This line of logic, would lead me to believe that 33-38mm offset wheels will fit best.

Is this right? Help me out folks. Thanks in advance.

 

48+

 

Are you speaking from experience? I've been looking at wheels with 48+ and 50+ (I understand that having an offset close to stock is better), but I'm concerned that they would sit in too much and rub when turning.

 

Yes, I had a 5th gen (Not sure of the wheel well size/length difference on 4th/5th gens) dropped about 2+ inches (finger gap all around) on Tein SS, running 215/40/18 with 48+ offset.

I had no rubbing issues while turning. It only rub when I hit dips/potholes on the freeway. The upper inside of the wheel well would rub against the top of my tire every time I hit a dip/pothole.

Yup, closer to stock is better. The lower the offset is when the wheel sticks out more, which mean more rubbing issues.

It also depends on what you're dropped on and how wide you go with the tires. 215, you shouldn't rub at all, if you do, it'll rub like the way mines did.

With 225, you have more chance of rubbing. You might need to roll your fender, depending on your drop and how thick your tires are.

So let me know how much your drop is and the thickness of the tires you're getting.

edit: 45+ offset should work fine for you.

 

I'm dropped on Neuspeed Race springs, would like to fit 215 tires (and maybe some 225's). My question is that I've read that doing the conversion results in the hubs sitting closer in, which means it will also pull the wheels in as well. So I'm thinking a smaller offset, around 40+ (maybe smaller) will compensate. I want to be sure though.

 

I see what you're saying. 40mm offset should be good for you. Borrow some rims, try it out.

 

Is there anyone out there, that has done this conversion and can tell me a good offset to fit a 215 tire, on a slightly lowered 4th gen?
I know Joel has done it and is running some stock 55+ wheels, so maybe I shouldn't be too concerned about a 48+ or 50+ offset. Just want to be sure.

 

you can see in the pic that +55 sits in a little...but it's a 6.5" rim so I didn't worry about it much:

 

So what would you suggest for a 7" rim w/ a 215-225 tire? Do the hubs really sit around 1/2" closer in?

 

wow, it's amazing how much the 4th's really look like the 5th's when you put the stocks on it.

 

I think that you should be fine w/ a 225 tire, and a 40-45mm offset. I have a 5th gen w/ a tein flex kit on it w/ 18x8.0 48et rims. My tire size is 225-35-18. I have it dropped over 2'' all the way around. Now I rub on the front when I hit bumps in the road, but that is becasue of the over 2'' drop. You should be able to get into a 8.0'' wheel if you would like to bring the wheel out more, and stick w/ something alittle bit higher than the 40mm offset. It just depends on how aggressive of a look you want. I'm not sure how far up on the wheel size you would like to go either but that is one option for you.

 

I'm beginning to think around a 40mm offset is the safest fit, as long as doing the conversion does in fact bring the hubs in 1/2".