308 with 355 wheels?

You would need really wide spacers for them to work. I don't recommend doing this to a 308. I had a 355 and a 308 in the shop the other day and tried to fit one on for the 308 customer, it was not even close.

 

I'm pretty sure that the 355 and 360 offsets are pretty similar and they both need monster spacers to run on a 308. I don't know if there is anything wrong with monster spacers or not from a safety or stress on the hub point of view. What about unsprung weight?

Birdman

 

Too wide a spacer is not good for the suspension geometry of the car. You will get a alot of bump steer, the scrub radious will change , and you will put heavy loads on the outer portion of the wheel bearings. I would stay away from doing things like this to any car. Yes they look great, but its not worth the sacrafice in ride and saftey.

 

I have a picture of a 328 with 3 piece versions of the 355 challenge wheels but I can't reduce the photo. If you want to see that, let me know.

 

Check your email for the pics. I'll try again to post pics here.

 

That's true if the spacer is used to move the centerline of the wheel. If the centerline end-up where the factory intended, then the loads and geometry are unchanged, and that is really the case here. The spacer is just used to get the offset of the wheel to match what the car is designed for.

The 355/360 rear wheels are pretty wide. To get them on you NEED to replace the rear springs with a set of 2.5" ID aftermarket springs, and even them it's really tight.

I put 550 wheels on mine and the rears are 10.5"...but to get them to work I had to move the lower shock mount. in a bit, no spacer needed though. The fronts needed a 25mm spacer to get the offest ride as OEM is 11mm and the 550 wheels are 46mm....I think the front 355/360 are about 46 too, but I'm not positive.

 

Let's try this. This car belongs to Dave's buddy.
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Found it:
http://www.carclassic.com/stock.asp?StockID=102822