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Discussion Starter #1
Thinking about picking up some new wheels for my GTV-6 and not too sure about sizing. Have read a lot of threads but am having a tough time understanding it. one of my big questions is about wobble bolts?? never heard of them. Found some OZ ultralegerras pretty cheap locally, but not sure if they will fit:

wheel specs:
17X8
Offset: 35mm
Backspacing: 5.91"
Bolt Pattern: 5-100
Rec. Tire Size:225/45-17
Weight: 18.0lbs.

I know Serpent and Centerline make some wheels for the GTV-6 but wanted to go with something a little different (however they do have some nice ones)... Unless someone has some nice after market wheels for sale that will fit?? Thanks for any input!!
 

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With wheels you wanna be sure

There are plenty that would argue, but you have forgotten an important factor. Hub diameter. Correspondingly, you need to know the wheel centerbore (and the other stock measurements - below).

GTV6
195/60-15 (6" rims)
5x98 PCD
58.6 hub diameter.

Here's a comparo chart:
Tire Wheel Size Chart

A couple of calculators to help:
Wheel Offset Calculator

Tire Size Calculator - Discount Tire Direct

Just so you know, I run 7x16's in the summer on my GTV6 (38mm offset) and I lost 6mm backspacing. I rub a little on full lock turns and it's a bear to steer at parking speeds with the 225 rubber (no pwr steering). 8" will lose twice the back spacing and will presumably rub worse.
Also, your Rec. Tire Size:225/45-17 will be way too big.

You can use 5x100, here's how. http://www.alfabb.com/bb/forums/suspension-brakes-wheels-tires/1359-what-kinda-wheels-does-your-alfa-have-46.html#post873536 Kinda' wish my rear wheels were more like 27mm offset.
 

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Hi gtv6ma88,

The 17x8 wheel might work but your recommended tire size is to tall and to wide for the front. As for using wobble/variation nuts your wheels must be hub centric, either correct centerbore or use hub centric rings.
Hub Adapters and Spacers
Contact me, I have the rings and variation nuts and can help you get it done right.
 

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Discussion Starter #4
So it sounds looks like these wheels arent going to work....

Charlie,

I have a black GTV-6 currently with speedlines and i want to preserve the tires because they are so expensive. I LOVE the all black type 4s on the champagne GTV-6 on the pictures page... Do you offer them all black or are those painted aftermarket??
 

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Discussion Starter #6
Thats them! i didnt realize they were discontinued. As long as there is no damage i am intrested for sure! Do they still have tires mounted?
 

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Hi - just bought gtv6 with type 4 16" black. What is rim width? appears to be either 7 or 8 but not sure how to measure.

Car has 205/45/16 @ 23.2 and only has about 3" ground clearance which doesn't work on my country gravel driveway. A CRITICAL PROBLEM. I NEED AS MUCH CLEARANCE AS I CAN GET - AT LEAST 1 OR 2 INCHES.


Maximum diameter for gtv6??? Noticed your chart recommends 205/50/16 (24.1 - essentially same as orig 195/60/15 @24.2) would 205/55/16 fit (24.9)? 215/55-16 (25.3)? I assume an inch of diameter translates to an inch of ground clearance?? Or 225/50/16 (24.9 -but clearance on turns & rear??) or 225/55/16 @ 25.8 (width an issue??)

Normally I would maximize handling - but MUST have ground clearance above all else. First 45 series tire I have had on a car - seemed quite harsh on 600 mile drive home so I may prefer 50 or 55. Just weekend pleasure sport driver - don't push it hard.

Thanks - quite a nice GTV 3.0.
 

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One inch in diameter will only give you half an inch extra clearance

I have OZ wheels - 17x8 et 35 with 225/45R17 rubber. Like ToonR, some scrubbing but not enough to worry...
 
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Hi All,

I'm looking at 17 x 7.5 wheels with a 5 x100 PCD, ET 35. Will the 5x 100 squeeze on do you think, versus the standard 5 x98? Probably 215/45 tyres to go with. I'd be happy to stick with 16's, but can't find any wheels this size that I like.

I seem to be pushing the limits on over all size for rubbing. I've got 16 x 7 Momo Stars on there currently, with a Zender body kit that rubs a tiny bit at the front on full lock reverse. Not a regular occurrence so no biggy.

Any advice gratefully received. Marty Moose, how much rubbing is 'not enough to worry'?

Thank you,
 

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Hi All,

I'm looking at 17 x 7.5 wheels with a 5 x100 PCD, ET 35. Will the 5x 100 squeeze on do you think, versus the standard 5 x98? Probably 215/45 tyres to go with. I'd be happy to stick with 16's, but can't find any wheels this size that I like.

I seem to be pushing the limits on over all size for rubbing. I've got 16 x 7 Momo Stars on there currently, with a Zender body kit that rubs a tiny bit at the front on full lock reverse. Not a regular occurrence so no biggy.

Any advice gratefully received. Marty Moose, how much rubbing is 'not enough to worry'?

Thank you,
215/45/17 are too big for the car. Plenty of people have fitted these sized wheels, but the overal diameter is significantly larger than the original wheel/tyre combination.
I can't comment about rubbing, but the car's performance and speedo accuracy (<<< BAHAHAHAH!!! :tongue_smilie: ) will suffer because of the larger diameter tyre.

You can get wobble nuts SERPENT AUTOSPORT Accessories to help you use 100 PCD wheels, but make sure that the centre bore is correct as it will be the only thing accurately locating the wheel on the hub.
But some people will try and tell you otherwise.
 
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Well actually if you use the links that ToonR has above, using 195/60-R15 OEM size against 215/45-R17 then the diameter is only +0.41 inches and circumference +1.27 inches and speedo is +1.09MPH for the 215 tyre. That is close enough that no reasonable lawman is going to pull you up on that. (And yes Duk, I get your point about accuracy - mine is about 10kph lower than actual speed above 30kph. Still don't understand that..)

I run 225 so it adds a bit more again (and I drive knowing that) but I think any real hit to performance is in the weight of the larger rims rather than the size of the rubber per se. But mine is not a track car and looks factor into the whole package for me so I am happy to wear whatever performance hit there is. the number of comments I have had about the wheels on my car since putting them on has reinforced my view that I have made an acceptable trade off. If it was a track beast only, I might take a very different view of the situation...

In terms of scrubbing, it is only when the front suspension is under high compression (ie big bump/rebound after big dip) - I could do with drop spindles and bigger front bars but yet to find the money or a real need to spend it. No scrubbing on the rears.

Actually, now I think of it, originally I did have to trim the inside of the front zender fiberglass to get turn clearance but that was easily and cleanly done...
 

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Hub Measurement

Hi All,

More on this.

I've narrowed down my search to some mesh style wheels that are 16 x 7 ET 35 so should fit ok. Here in Australia, Simmons mesh wheels were a common period upgrade. Simmons have started reproducing these, but are quoting $1,000.00 a wheel

These DOTZ wheels are PCD 5 x 100, so I could use variation (wobble) nuts. The hub measurement on these is 60.1. Am I stretching things on the hub, especially when combined with the wobble nuts? Too many variations?

I can't find hub rings that go 60.1 to 58.6. The site I'm looking at the wheels on says GTV6 hub is 58.1 and has rings for that, but the are many references here to 58.6.

Thanks for the advice as always.

I've had the car for around 6 weeks. So far I've:

Fixed air con
Replaced stereo
Painted the front badge surround red. Only red on the car. I had to have some.
Met the cars new mechanic. Had a short black, while we talked through the car. Very Italian. Major service and inspection. No issues requiring attention. Phew.

I want to get the wheels sorted,and then stop spending money for a while.
I'm getting feedback from the finance director that she doesn't have an expensive toy, and maybe she should take up vintage Italian shoe collecting..

Cheers All,
 

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Sticking with 5 x 98

After all that, just taking the easy path.

Thanks Daz, I really like your wheels, but need them in 16's which is no go, hence going with the below.

16 x 7, 5 x 98. Get the hub to fit and I'm good to go.

I'll put up before and after shots once the new ones are on.

Thanks All,
Craig
 

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Tire rack had a couple that fit the Fiat 500X - 5 on 98 and acceptable ET. The hub bore is a bit small - you could probably grind/sand them by hand to make it fit. I made up a 1/4" spacer and use them as lug centric versus hub centric. 16X7.5 if I remember correctly.

I posted a thread on them when I mounted them up last fall. You can search on my name and find it. I mention tire sizing as well because that is important too. and they were $800 ish for the set including tires.

Mark
 
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