I've a friend who was looking at buying roush gauge cluster. He found a couple on ebay but what i'm trying to figure out is, if you get one with higher miles than your car will the ecu automically reset it or will he have to find one with similar miles to his?? I've been told that if his car has 20,000 miles and he buys a cluster with 50,000 miles it will read 50k.??Anyone know for sure. Thanks
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