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    2020 6.2 AFM Delete???

    In fairness mine is a 2015.5 with the 8 speed and 6.2. It could be as simple as breaking code.
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    2020 6.2 AFM Delete???

    Hmm. I've been running your tune along with AFM delete for months now and it's great. Why would you recommend against the AFM delete you provided me?
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    2020 6.2 AFM Delete???

    The AFM can cause problems. A friend of mine has cylinder 7 causing problems on a 2015 5.3 and they are doing a tear down. Going 8 to 4 to 8 all the time can have its problems. Blackbear solves this along with more hp/torque, TCM mod, tip in acceleration fix. you name it. No brainer.
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    Ten Speed Transmission hard shifting

    The Mobil fluid change smoothed the clunking for two days. Now it's right back to clunking P to R and the 2 to 1. Don't see any leaks. Back to the dealer.
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    Leave AFM Off or On? Really any difference in MPG?

    Florida to TX road trip. AFE delete, BB tune for ECU and transmission, AFE CAI, Yukon DXL w/6.2. Averaged 75mph and 20.9. In fairness I did not mileage check when I filled up, however, this mileage is right in line with my results pre tune and stock air intake.
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    Ten Speed Transmission hard shifting

    I have the eight speed and there is a TSB regarding full transmission flush and and specifically Mobil 1 fluid replacement. I've heard a few anecdotal thumbs up on getting rid of the delayed P to R clunk and the 2 to 1 clunk. I'm going in next week and having it done.
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    Tuned in 2019!

    Got the first tune for my 8 speed 6.2 Yukon XLD. Guys, your work is fantastic and no BS. Tip in acceleration and shifts all the way to 6 grand is money. Transmission changes are good but hoping you can further refine for me, if possible. I just sent the new datalog to you and I know you'll do...
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    AFE Momentum GT

    Being in the city it has been brutal to try to get any Dragy runs; I have not had the room and safety to measure stock plus AFE CAI vs Black Bear plus CAI. There is no question that both additions has made the truck a completely different animal. Love it. Still have a bit of clunk in my low Park...
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    K&N 63-3082 vs AFE Magnum FORCE Stage-2 Pro 5R

    Picked up the 74110 from AFE directly, on sale for $383. Install went great. Ran it without the plug and with the plug. Better with the plug bc it kills the drone under light acceleration around 1600 rpm. Totally annoying with the plug out. Love the intake and just added BB tune. Different truck...
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    AFE Momentum GT

    Did the install last night on the 74110. First impression is good and it has more zing off the line. Chirped tires a couple times without trying and that usually does not happen. I ran it without the plug in the bottom and while I like the noise I didn't like a drone that kicks in around 1600...
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    AFE Momentum GT

    Just ordered the Black Bear Autocal and AFE 74110 dry filter. Will report back in a couple weeks or so after the install and file exchanges. Thanks 1sikryd for your input.
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    AFE Momentum GT

    I wonder if the sealed box without the port benefited from less heat despite less flow? Maybe I'll go that route as well. Going to add the Black Bear tune and most likely call it a day on my 15 YXL 6.2.
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    AFE Momentum GT

    Just got off the phone with AFE and discussed the difference between the fully enclosed box and the one listed on Black Bear with the crescent moon opening. He felt that the one with the half crescent moon opening is the way to go even if you need to remove and reinstall the small brace and use...

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