So, I'm helping out my friend with a 2016 Silverado 5.3L. He was having problems with one of the lifters. Rather than replace the lifters he decided to do an AFM delete. Everything was going well until we got to the timing chain. We put a pin in the tensioner and guide hole to keep tension on the chain as has been suggested but it didn't work. The chain came off the crank sprocket, and we can't figure out how to get it back on. We can feel it grab one or two teeth on the sprocket but that is all. Is there a way to get it back on without pulling the oil pump and dropping the pan? I tried getting a look with a borescope but couldn't get the right angle on the camera to see anything. Someone suggested it might be possible to loosen the oil pump so we can see it from underneath. Will that work or is there another way?

 

I've seen a few guys on here who've done the AFM delete on their newer Chevys and report a nice power gain, but I've also heard from some others who've done it and ended up with some weird ECU issues. I've been thinking about doing it myself on my 2022 Silverado but I'm not sure if it's worth the risk of messing up the engine management.

 

The only reason we?re doing this is because he had bad lifters. Initially we were just gonna do the lifters but somehow one of the injectors stopped working after replacing the lifters. We removed the passenger side injectors only to find 2 of them had broken off in the head. Since we now have to pull the head he figured do the full AFM delete. The ECU has been retuned without AFM. I?m pretty sure you?d need to do that on yours. If the lifters didn?t go bad we would have left well enough alone.

 

I've got an AFM delete kit for my 2022 Silverado LT, it's been running great since I installed it, no more hesitation when accelerating. I opted for the kit from a reputable aftermarket brand, made sure it was designed for my specific engine variant, and followed the instructions carefully - no major issues so far.

 

I've been running my 2022 SS with an AFM delete for a few months now and I gotta say, the performance benefits are pretty noticeable. It's worth noting that you'll need to retune your engine for optimal performance, but the results are worth the extra work.