Reply to "Larger diameter wheels. Upgrading wheels and tires. Resizing wheels and tires. Modernizing wheels and tires. Campy clones, etc."

The front & rear wheel arches & chassis of each Pantera model are designed for tires of specific diameters.

In this picture 6018 had 18" front tires (245/35ZR18) 20" rear tires (325/25ZR20). It has an Amerisport front spoiler. The lower rear control arms are level with the road, notice how well the rear tires are centered in the rear wheel arches with the control arms set that way. The front end has been lowered until the chassis is level. Since the difference in tire diameter front to rear is 1.65" (less than 2") the front tires are not centered in the front wheel arches, the tops of the wheel arches overlap the tops of the front tires. But I don't think anyone would accuse 6018 of looking too high, which is why I'm replying to your post.

If the back tires had been a little larger in diameter, closer to 27" OD, they would have filled the rear wheel arches even better than the 325's did, the rear of the car would have been higher, to level the chassis would have required raising the front of the car. That would have centered the front tires in the front wheel arches better. And the diameter of both sets of tires, front & rear, would have filled the wheel arches relatively evenly. After that, you have to consider wheel off-sets, not only for suspension geometry & rubbing concerns, but for cosmetic concerns too. You want both sets of tires to be inset from the edge of the fenders about the same. Otherwise it looks wrong. Looking at the side view of 6018, the front tires are inset more than the rear tires.

Regarding wide bodies, the ideal cosmetic "stance" of Group 4 replicas are similar to narrow body Panteras. BUT ... GT5 & GT5-S Panteras need front & rear tires which are closer to 24" diameter front & 24.5" diameter rear, because that's how the wheel arches were designed. But its not possible to find modern tires in such small diameter. So with the GT5 & 5-S don't lock yourself into the frame of mind looking for the widest tires, balance that with tire diameter. You're gonna want front tires in the 24.5" to 25" diameter range, and rear tires that are 1/2" larger in diameter than the fronts.

-G

6018

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