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Old 03-18-2019, 08:39 AM   #18
staples87
 
Drives: 2017 Camaro ZL1
Join Date: Aug 2018
Location: Bel Air, MD
Posts: 319
Quote:
Originally Posted by Rlhay2 View Post
Run them at OEM AFR levels (very rich) and the unburnt fuel should help keep them from overheating.
It's actually the opposite. The richer the fuel, the more the cat has to work. In turn that's going to generate more heat, clog them and take them out.
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