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Everything posted by newdude
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2022 refresh 5.3L ECOTEC3 V8 *W/O DFM*
newdude replied to Street Queen's topic in 2019-2021 Silverado & Sierra
Manual mode (or L as GM indicates it) is the only way to disable AFM/DFM without a defeat device/tune. You have to set it to L5 on 6 speeds, L7 on 8 speeds and L9 on 10 speeds, so lock out the highest gear. If you set it to L6/L8/L10 it will run AFM/DFM as if it was in Drive. -
Good Transmission Builder in Indiana
newdude replied to dseef03's topic in 2014-2019 Engine, Driveline, & Exhaust
6L80s get expensive depending on what's damaged internally. Just priced one at work that had the typical pump failure and converter failure. Converter, pump parts, all valve bodies, 1-2-3-4/3-5-R clutch, all necessary parts it was more than a new GM reman was. Less labor for replacing as well so if its cost comparisoned rebuild vs. reman, the reman can beat the rebuild quite often. GM trans gets you a 3yr/100k warranty as well. Hard to beat that. The problem with the GM ones? 4-6 weeks backorder. No matter which route you go, make sure they put a new trans thermostat on p/n 86774933. -
2022 refresh 5.3L ECOTEC3 V8 *W/O DFM*
newdude replied to Street Queen's topic in 2019-2021 Silverado & Sierra
AFM/DFM function at anything over 8mph, and in the case of DFM, from 700-2675rpm. So on a flat road doing 80mph, DFM could totally shut down a couple cylinders if the parameters are met. DFM can shut anything from 0 to up to 6 cylinders off, 17 different total operational schedules. 80mph could be achieved on 5 or 6 cylinders. AFM which was 4 cylinders only, at 80mph yea, probably wouldn't deactivate. -
The ECM p/n's for 2021 and 2022 LTD are the same, both the ECM for functioning DFM and the ECM for YK9 DFM disabled. No reason the Pulsar LT shouldn't work. 2022 refresh are all new ECM #s and they are on the VIP (Global B) electrical platform with all its new encryption bits.
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Possibly failed lifter 55000 miles
newdude replied to Payton34's topic in 2014-2018 Silverado & Sierra Troubleshooting
Could be faulty coil, plug or injector. Or. Could be that 87 you put in the tank that triggered the issue. -
1 - 1999-2018 trucks, GM has listed 1000lbs tailgate capacity when evenly loaded/spread on the gate (no loading ramps as it doesn't spread the load evenly). No # has been published for the 2019+up trucks yet. 2 - Legally, no. Truck is rated for what its rated. 2021 GM re-certified the 2.7T using SAEJ2807 towing rules and increased its towing weight to 9000lbs. So legally, you'd have to trade for a 2021+newer 2.7T (or other engine). 3 - Mostly looks. Get new UCAs if you level. 4 - Not sure what you mean? There's loads of stuff out there for these trucks. Tonneaus, window visors, hood deflectors, wheels, mud flaps, steps, etc. If you are talking performance wise, cat back exhausts and intakes are available for the 2.7T, but the ECM is still locked up so no tuning. 5 - 2.7T likes to fail EVAP purge pumps for some reason. 8 speed can shift funny sometimes. Leaf springs may be noisy.
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2022 Silverado LTD with Borla Cat Back
newdude replied to jkdallas's topic in 2019-2021 Silverado & Sierra Mods
LTD is the same as 2019-2021. All of the Chevy Performance and the GM/Borla exhaust are the same P/Ns, even for the 2022 refresh trucks. The refresh trucks is new front clips, new interior on LT and new vehicle electronics platform. Everything underneath is un-changed. -
Show us your 2022 refresh Silverado/Sierra
newdude replied to mafd2's topic in 2019-2021 Silverado & Sierra
Without a doubt, the two best colors GM added to the lineup on Silverado. Sweet trucks! -
Oil cooler hose leak not covered by gmpp
newdude replied to Mikey999's topic in 2015-2020 Suburban/Tahoe & Yukon/Yukon Denali
Good to hear! -
2022 refresh 5.3L ECOTEC3 V8 *W/O DFM*
newdude replied to Street Queen's topic in 2019-2021 Silverado & Sierra
Not a new body, but in my old body 2019 5.3 with AFM off, I lost no more than 1mpg going off my average mpg per tank. -
2022 LTD = 2021.
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Oem exhaust tip 84722771
newdude replied to Maurice Jaramillo's topic in 2019-2021 Engine, Driveline, & Exhaust
Yes, different tips for different engines. 84722771 shows as being for the 4.3 and 5.3 which are 2.75" exhaust. Won't fit a 2.7. 2.7 would use 84722774 (with the bowtie in it), 84722777 (without the bowtie) or 84521821 (black with bowtie). -
Cel dod delete
newdude replied to Willard Burnight's topic in 2014-2019 Engine, Driveline, & Exhaust
Yep, as Cam said, full mechanical DOD delete you need it tuned. If you are talking leaving the mechanicals alone and just turning off DOD, a shop can do it tune style where they go in and just turn off DOD, or you can use an OBD device like a Range. The only problem with the Range is, if NJ does an OBD emissions inspection, you will need to drive around for a week with the Range removed so the truck can run the readiness monitors, otherwise you won't pass. The tune the ECM method would make it so that didn't happen. -
Any real hp/ tq gains from catback systems?
newdude replied to dieselfan1's topic in 2019-2021 Silverado & Sierra Mods
Eh. Sound mostly, if there are any power gains, its almost always at an RPM you don't see on the daily at lik 5500-6000rpm. Butt dyno, I had zero difference in power or MPGs after adding my Corsa and the GM CAI to my 2019 old body. I have before and after dyno #s from when I had it tuned, those bits made near zero impact. Long tube headers with high flow cats and a tune? Yes, you'd see gains. -
Only if your truck were to somehow have a special policy/special coverage. This would have to be verified by a dealer and your VIN #. That said, looking through all the special coverages for 2017, there is no special coverages on the condenser. So GM will offer you $0 reimbursment.
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E85. My truck is tuned with flex fuel added, 93 or E85 in my case. E85 is only 10 cents cheaper than 87, $4.59 vs $4.69. I'm in NY. I took a screenshot back when the pandemic hit, was like $45 bucks for 24 gallons of E85. That same amount cost me $102 the other day.
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Spare is correct. If you needed to use it, put the spare on the front because of the slight size difference. If you wanted, you could switch the tire to a 275/70R17 which would bring the diameter difference to 0.3" smaller.
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Floor liners for 2022 Sierra refresh crew cab
newdude replied to Ben Lawson's topic in 2019-2021 Silverado & Sierra Mods
Same as 19-22. 84333608 front -
Headlight replacements for 2011 GMC Sierra
newdude replied to sage55's topic in 1999-2013 Silverado & Sierra 1500
OE will be the best. 22853029 and 22853030. They retail for $340 each. You can probably find them for less. -
Stock 17 to “stock” 20 calibrations?
newdude replied to mandrewbot3k's topic in 2020+ Silverado HD & Sierra HD
Yes. Dealer can flash to OE sizes. -
If its just another bad lifter, the engine isn't really "blown". That can be replaced. You have to look at it from a resale point of view, if you are trying to unload the truck. Its worth much more with a fixed engine than it is the way it is, rust aside. I'd toss a couple lifters in it, so long as the cam isn't bad, then if you want it gone, sell it. Also, greetings from the other side of the Genesee (Webster/Penfield area).
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