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Posted

Hey everyone, new here. I’m looking to bump a bit more horsepower out of my 2016 L83 Silverado. I want to cam it and do an AFM delete while I’m at it. I live in Davis county Utah and want something that will be emissions compliant and still give me a bit of an upgrade. I’ve tried doing some research on the matter but all the options quickly become convoluted and I’m wondering if anybody out there has some recommendations or can point me in the right general direction. Thank you 

Posted

If all you are worried about is tail pipe emissions, most mild camshafts when tuned correctly will still pass emissions if you are running the factory cat converters. It's not very hard for most good tuners to calibrated the engine to run with good fueling. These trucks have 3 cats, if you installed headers with hi-flow cats, good luck passing most emissions.

 

And any good tuner can turn off all the AFM codes so that you don't have check engine lights for the parts removed. The key on the newer vehicles is that all codes MUST be turned off prior to any work ever being done. If a code is not turned off and you remove the parts, it can only be disabled by the self check of the computer, so that would mean it would need to be re-installed and run through drive cycles to clear it.

 

I'm a little out of the loop on what is out there for the GEN 5 engines but with the older 5.3's, if you wanted a tame camshaft that still drove like stock with it being easy to tune, the specs were 212/218 or smaller. Everything is called a "stage" now, so like a stage 1 or 2 for those camshafts.

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