Quote:
Originally Posted by MatthewAMEL
Gotta be honest, I find a 26mm spacer alarming. I've never heard of anyone tracking anything close to that.
You haven't had any issues?
How much do those things weigh?
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In this case I don't see any issue... I'm also a ME so also have some formal training on these kinds of assemblies.
I think there can be issues in some cases, so I do see your point. If you add a lot of extra offset vs stock and use much larger/wider/heavier wheels and tires with a lot more grip... like putting 265 width autox tires on a 90's Honda Civic, yes you may have issues due to more leverage as well as more stress on the wheel studs.
On the Camaro application the offset is about the same as a ZLE and the wheel studs are seeing similar loads, also the spacers retain the centering function so the wheel studs won't see shearing loads.
The spacers weigh about a lb or so, it's not much and the overall weight of the wheel/tire/spacer combo is still a lot less than stock.
Also, APEX sells this setup and recommends it, they aren't going to do that without assessing their potential liability.
I do think you have to be careful... We recently almost had an incident, a wheel broke off of an old VW Scirocco running slicks probably 4x as wide as the stock tires. The car almost flipped, gas leaked, the wheel/tire nearly hit a GT4 in grid. In this case the stock rear axle broke! So yeah, modifying old 90's econoboxes can be sketchy as no part of the car was ever intended to see the stresses of big tires and more power.