Quote:
Originally Posted by 5senna5
The interference with the tire is further up as it actually makes contact with the outer lower edge of the spring perch. There’s no way to modify that area like grinding on the strut tab for wheel clearance. Running a 5mm space would move it out far enough, but then you’re dealing with not enough thread for proper lug purchase. Longer bolts would be needed which negates using them on the front with little hassle. In short, it just doesn’t work on a practical level.
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Quote:
Originally Posted by AZ_1LE
It's not really that they're too tall, it's more a combo of putting a 305 tire on a 10" wheel which is going to create a lot more sidewall flex, plus a wheel that has an offset to close to the strut. This is why the 1LE wheels work with 305's on regular ZL1's, the wider wheel plus more offset allows the setup to clear the strut (barely, as long as you don't max out the camber).
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No it's too tall, it rubs on the spring perch (which is above the tire) not the strut (which is inboard of the wheel/tire). a 305/30/19 setup works with a lower offset wheel as long as you grind the strut down or run a spacer, the rubbing on the spring perch would still be an issue on the 19s if the tire was taller. The ZL1 1LE wheels/tires setup works on a regular ZL1 because like I said the tire is shorter than the 305/30/20s, you still may need to do the strut mod to get max camber out of that setup (I'm not 100% sure on this). Either way I think the best option is to go to 19s regardless of what tire you want to run, but I know that isn't the best option for some people.