I will vouch for the bolt on spacers. I've been running 25mm bolt-ons w/ a 5 mil loose for a long while now and I've know many, many people both gaijin and Japanese been runing them. 4 out of 5 people I know out here w/ S chassi's, RX's or any FR platform for that matter run some kind of spacer and no one I've ever known ever had a problem.with them. There's also plenty of guys that run multiple spacers if need be and they don't have a prob. I'd be more confident in saying that those people that run spacers and have had a wheel fall off can be more attributed to people not rechecking their lugs after driving a while. Any wheel guy will tell you that with any wheel you put on, you should recheck the the lugs torque after your first drive, most I've known say 25-50 miles. BTW, all these cars are daily drivers and they're run hard all the time. Just don't stack a bunch of slap-ons on there.
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