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Wanted: LS1 cats
Does anyone have a spare set of LS1 catalytic converters sitting around? I think my cats are causing my pinging issues and I'd like to try swapping them out to see if they are really the problem. I'll even swap out some gutted cats just to test and see if the pinging goes away.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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