Duramax l5p forum

I'm running a basically stock 2500HD with a L5P; fuel economy and towing muscle were important priorities when I bought this rig. I did upgrade cold air intact with a s/b box and I run a B5 diesel blend and Stanadyne Performance routinely. My mixed around town/hwy (75/25 mix) driving mpg avg is 13.5 but if I drive like grandma I can take that ...

Duramax l5p forum. Lift Recommendations. I have had my 2019 Chevy LTZ for 7 months now and it’s almost time to put my summer rims on. I moved up to this truck from an 2014 GMC SLT 2500HD. With that truck I cranked the torsion keys to level it, ran shock extenders with cognito upper control arms and the Pisk kit. My tires are 295/55/20 on fuel 20x10 rims with ...

Oct 12, 2017 · DALLAS — GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering.

Duramax Diesel Engine Oil Filter Update for 2023. September 20, 2022. The PF63 engine oil filter (Fig. 5) is the new recommended filter specification for 2020-2023 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, Express, Savana; and 2019-2023 Silverado 4500/5500/6500 models equipped with the 6.6L Duramax diesel engine (RPO …And now GM is moving to encryption of canbus data in an effort to stop hacking of any onboard modules. However when GM ditched the LML's piezoelectric injectors for the Denso solenoid injectors, they actually made controlling the L5P hardware with an older ECM much easier. No need for swapping or modifying the heads to use old …The fuel additive for LB7- LML Duramax would be a benefit to the fuel systems along with extra fuel filtration and a lift pump. Especially LML's and the CP4. This provides a little extra support to the CP4. 1996 K3500 6.5L, ( "F" Eng #141 cast block) NV4500, crewcab, dually,Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro …2018 L5P Injector Fail 5700 miles. After a couple months of flawless service I had major loss of power on the Freeway and extreme shuddering/shaking under power. Diagnosis: Multiple cylinders misfiring, failed injector and possibly injector (s). Have to order the entire set of 9 (1 for emissions crap) which takes two days to ship and estimate a ...491 posts · Joined 2017. #2 · Dec 18, 2017 (Edited) I have changed the oil, spin on transmission filter, and rear axle lube on all of my Duramax diesel pickups around the 1,000 mile mark and I will do the same with my new Denali when I order it in early Spring. My RWD cars also get their oil and rear axle fluid change around the 1,000 mile point.

Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. L5P Dead Pedal. Jump to Latest Follow 38K views ... 2017 Silverado 2500 HD LTZ Duramax (L5P) Deep Ocean Blue metalic. Save Share.4158 posts · Joined 2019. #8 · Oct 22, 2021. Congrats on the new truck! Best of luck with it. Tim. 2019 Chevy Silverado 2500 High Country L5P CC/SB. S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights. S&B MAP spacer, Centramatics, Chevy ...2017 L5P extended emissions warranty. I am buying a used 2017 L5P in California and receiving mixed responses on if the aftermarket warranty (GM Protection Plan) covers the emissions system. Called another dealer and they said, "no extended warranty on emissions". The dealer I am buying the truck from says emissions …Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. P0073 2017 2500HD 140,000miles. Jump to Latest Follow 4K ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.6K members Since 2005 ...Fortunately I have the extended warranty on my 2017, which covered the reservoir replacement with a $50 deductible. I recently bought the UView 550000 Airlift Cooling System tool with plans to perform the drain and flush on my 3500HD Duramax (61k) and wife’s ‘17 2500HD gasser (58k). the videos make it look pretty simple.DALLAS — GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering.

Keep it L5P Related. Please keep it l5p related, share any knowledge you have with the group, if you own or looking at buying an l5p you are more than welcome …Nov 25, 2022 · Everything We Know About the 2024 Duramax L5P 6.6L Engine. Gale Banks cracks open a new 2024 Duramax 6.6-liter diesel engine and compares the parts side-by-side with a 2023 model. With this inside look, Gale finds upgrades to the 2024 L5P Gen 2 that you won't. rumble.com. Mickey D, ColoradoOutdoors and viper8315. Chevy / GMC Duramax 2017+ L5P Forums. 2020+ GM T1 Platform Powertrain. Looking for good funnel to use with 2.5 gallon oil jug. Tags funnel oil change. Jump to Latest Follow ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.5K members Since 2005 ...L. Lp5duramaxtow Discussion starter. 48 posts · Joined 2016. #1 ·Jun 18, 2019. Hey guys and gals! Been awhile since I have posted on this forum, Well long …Looking for some help, 2017 High Country 136k miles. randomly got the service exhaust fuel system warning accompanied by the engine power reduced warning. I scanned the truck and had about 16 codes all ending with circuit high voltage. no check engine light before that message. My fuel level now is pegged on E with no low fuel light. …

Shortline hudson port authority.

2019 Chevrolet Silverado 3500HD 6.6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, ...36 posts · Joined 2010. #4 · Jul 11, 2017. I currently have 9K miles on my L5P. I drive 70miles round trip to work, non-highway, with hills through towns. I had set the trip odometer the day I bought it and it's averaging almost 17, including some mild camper towing. Tank to tank I'm seeing better than 18 with regens.36 posts · Joined 2010. #4 · Jul 11, 2017. I currently have 9K miles on my L5P. I drive 70miles round trip to work, non-highway, with hills through towns. I had set the trip odometer the day I bought it and it's averaging almost 17, including some mild camper towing. Tank to tank I'm seeing better than 18 with regens.Go take a look at a Duramax Forum, its scary. Just on the first page. Major growing pains. Never be the launch customer for any new product, always wait for 2nd generation. 2017 l5p blown turbo gasket Engine light Ticking Noise Near Engine/Transmission L5p problems 2017 Tranny Issues Oil Leak L5P transmission …1493 posts · Joined 2020. #7 · Apr 23, 2022. Map sensor is on top of the intake plenum, top of the engine. Lift pump is in the tank. If you have a cts3 or derringer check your lift pump pressure while driving. The frp sensor is underneath the passenger side cold air tube from the intercooler.Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain. Blocking/disabling EGR on L5P. Jump to Latest Follow 26K ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.5K members Since 2005 ...

Go take a look at a Duramax Forum, its scary. Just on the first page. Major growing pains. Never be the launch customer for any new product, always wait for 2nd generation. 2017 l5p blown turbo gasket Engine light Ticking Noise Near Engine/Transmission L5p problems 2017 Tranny Issues Oil Leak L5P transmission temps high vs 2015 lml2018 L5P intermittently losing power for 10-20 seconds and then back to normal. timothy.morris17078. Apr 6, 2022. 21. 14K. Nov 16, 2023. by zamoradaniel45.No true, a number of tuners have tunes available for the L5P. If you want to delete then the two I know are motor ops and PPEI. As far as hard parts, WCfab carries everything and is the leader currently. If you want to delete then you need their downpipe and EGR "fix". I would also recommend their mouthpiece, and PCV reroute while you …Nov 4, 2023 · Duramax Diesel Engine Oil Filter Update for 2023. September 20, 2022. The PF63 engine oil filter (Fig. 5) is the new recommended filter specification for 2020-2023 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, Express, Savana; and 2019-2023 Silverado 4500/5500/6500 models equipped with the 6.6L Duramax diesel engine (RPO L5P, L5D). Fig. 5. 1112 posts · Joined 2009. #1 · Dec 14, 2020. Pretty sure this is last GM truck for me , now my 19 high country dually lost oil pressure at 65,058 miles 16 months old, been serviced every 10,000 or more often and stranded me twice now, this time really bad area and chevy road service left me on the side of the road for 6 hours, paid the tow ...The chart below shows general L5P Duramax maintenance and service intervals. Please keep in mind your situation may call for more frequent maintenance than what is listed below. Heavy towing or driving in extreme conditions requires more frequent maintenance. When you change your oil, check components like your air filter to make sure they are ...3.0L is a bit different than a L5P. went back to the dealer tonight and parts are ordered. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds ...Forum Castleford Tigers. TOPICS 4441. POSTS 71417. VIEWS 8.67Million Last post by RLFANS News Hound Sat May 04, 2024 7:49 pm: Catalans Dragons. TOPICS …NachO_GMC. The L5P is a complete Engine redesign - the rest of the truck is the same - Wheels, to headliner. We have minor improvements like locking tailgate and some infotainment upgrades - mostly quality of Life type improvements. the Engine is Unproven when you compare the # of miles on the road to the LML's.

Nov 25, 2022 · Everything We Know About the 2024 Duramax L5P 6.6L Engine. Gale Banks cracks open a new 2024 Duramax 6.6-liter diesel engine and compares the parts side-by-side with a 2023 model. With this inside look, Gale finds upgrades to the 2024 L5P Gen 2 that you won't. rumble.com. Mickey D, ColoradoOutdoors and viper8315.

The transmission will shift normally up to the gear you have selected in Manual. In other words, if in M5 it will shift normally up to 5th gear and not go into 6th. They tell us to never use 6th while towing heavy. Keep the RPMs between 1800 and 2400 and it will stay the coolest, with around 2200 being the best.Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform.DALLAS — GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering.285 posts · Joined 2019. #39 · Mar 5, 2021. Got rid of that awful fuel filter system on the L5P and installed a Fleece filter delete. Easy enough, but for anyone doing it, don’t take the shield with the housing. All you need to do are the two 13mm bolts at the back, top/side. You’ll understand when you look at it.Chevy / GMC Duramax 2017+ L5P Forums. 17-19 GM TK2 Platform Performance Parts Discussion Edge CTS2 Update for ... I was going to ask if you monitor TC lockup on your L5P and then I noticed you have an old truck and just troll the L5P forum. TC locks from 2nd to 6th, T/H or not.1531 posts · Joined 2014. #5 · May 29, 2020. It is not the typical ticking noise. It is a thumping noise and it is supposedly caused by the fanbelt. On the 2020 there are two belts now and the fan is by itself. GMTECH link has a small description on …2019 GMC Sierra 2500HD AT4 Crew Cab L5P Duramax, Banks iDash Super Gauge and Pedal Monster, WC Fab Trans Cooler Bypass Valve, Lasfit Switchback LED Fog Lights. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, ...Go take a look at a Duramax Forum, its scary. Just on the first page. Major growing pains. Never be the launch customer for any new product, always wait for 2nd generation. 2017 l5p blown turbo gasket Engine light Ticking Noise Near Engine/Transmission L5p problems 2017 Tranny Issues Oil Leak L5P transmission temps high vs 2015 lml

Jook shooting video.

Happy anniversary paragraph for girlfriend.

Aug 12, 2022 · Postings of Tech Service info for any New L5P engine issues. And now GM is moving to encryption of canbus data in an effort to stop hacking of any onboard modules. However when GM ditched the LML's piezoelectric injectors for the Denso solenoid injectors, they actually made controlling the L5P hardware with an older ECM much easier. No need for swapping or modifying the heads to use old …To receive a free Humana Big Book, first visit Humana.com. Click on the arrow and link that says “Get Free Guide.” Enter your information in the online forum, and wait to receive T...Oct 18, 2019 · 2018 GMC l5p ccsb stone blue metallic. Mcgaughy's 2" drop shackles. Truxedo tonneau cover. 20% tint. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members ... fubo. 37 posts · Joined 2023. #20 · Aug 6, 2023. Hmm. I didn’t see any real changes in range but then again it is my first diesel. It gets 30mpg on the highway at 65mph so I guess if it regens for 7% of the time then it will probably drop to 27 to 28 mpg. Seems drop down to like 22 to 24 mpg when it’s regenerating on the highway.Your Allison came with Dex-IV in it from GM, Dex-IV is a synthetic and a very good fluid. Doing a double drain is a waste of money personally. Change it to your fluid of choice and change it again 25k later. If you're going to deviate from Dex-IV pick and TES 668 fluid and sleep happy. It doesn't matter.Oct 22, 2021 · 4158 posts · Joined 2019. #8 · Oct 22, 2021. Congrats on the new truck! Best of luck with it. Tim. 2019 Chevy Silverado 2500 High Country L5P CC/SB. S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights. S&B MAP spacer, Centramatics, Chevy ... 1 1 of 12 12. Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.The CTS2 also has a throttle position indication. It would be interesting to watch a comparison for those experiencing the dead pedal versus ours that accelerate like a rocket the relationship between throttle pressure and boost. This would troubleshoot if it is the sensor or a performance issue with the engine.Just upgraded to the L5P. Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY. ….

1531 posts · Joined 2014. #5 · May 29, 2020. It is not the typical ticking noise. It is a thumping noise and it is supposedly caused by the fanbelt. On the 2020 there are two belts now and the fan is by itself. GMTECH link has a small description on …Duramax Diesel Engine Oil Filter Update for 2023. September 20, 2022. The PF63 engine oil filter (Fig. 5) is the new recommended filter specification for 2020-2023 Silverado 2500HD/3500HD, Sierra 2500HD/3500HD, Express, Savana; and 2019-2023 Silverado 4500/5500/6500 models equipped with the 6.6L Duramax diesel engine (RPO L5P, L5D). Fig. 5.2017 L5P delete. Jump to Latest ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . Full ...06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road. Reactions: Satar, JonM21Ltz, cutty636 and 2 others. Save Share. Like. Mattswaggs. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.4K members Since 2005 ...The 2015 Chevrolet 2500HD powered by a Duramax 6.6-liter turbo-diesel V8 engine offers a towing capacity of 17,900 pounds, while the model featuring a gasoline-fueled Vortec 6.0-li...Colorado. Jun 30, 2022. #1. My 2021 L5P Duramax has been consuming oil since we started towing with it at about 2,500 miles on the odometer. The consumption wasn't regular and was as little as 1 quart in 6,000 miles and as much as 1 quart in 1,300 miles, all consumption is while towing. I wrote the consumption off to "a hard working …18 GMC 2500 L5P. 65K miles CEL came on about 2000 miles or so ago. Truck was running fine and was using DEF normally but CEL keeps returning on a P026D. Changed MAF sensor and inlet temp sensor, CEL still returns. Took truck to dealer for reflash recall and P026D was gone after but returned next day.May 10, 2019 · Doesn’t work. Better option is to go to google and enter “L5P hood swap duramaxforum” and it’ll bring up all the result from the forum. Much easier than using the forum search. chevy to chevy gmc to gmc,they will bolt on and look really good..you have a line on 1.alot of yards won't ship.sucks,nothing around here. Duramax l5p forum, 527 posts · Joined 2017. #10 · Jun 25, 2018. Our loaded camper is 24040 gross combined, equates to 15400 trailer and 3200 pin weight. Averaged 11.1 from Fla to NY up 77/I79 using the Derringer. Power is very noticeable as soon as the rig is in motion, better throttle response and great midrange., Ever worry that you might fail a bench press and find yourself pinned by a barbell? You’re not alone—it’s a common concern on the internet among fitness forums and Reddit threads a..., 3748 posts · Joined 2021. #2 · Jun 21, 2023. If you're going to vent the crankcase to atmosphere, it's gonna drip. That's why there's emissions rules now to require closed crankcase ventilation. 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road., Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.6K members Since 2005 A forum ..., The truck has 73k miles on it, deleted since about 65k miles. In the past few weeks, it developed a notable vibration that will shake the entire cab of the truck between 1200-1800 rpm, regardless of whether driving, sitting still, in park, in neutral. So, I’m not thinking it is transmission or driveline related, and is something with the engine., 8843 posts · Joined 2011. #4 · Jun 6, 2022. fwiw, the OTA 'update' option on the audio is for the infotainment system, not for powertrain stuff. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY. _Kegger_ and cfell. Share., fubo. 37 posts · Joined 2023. #20 · Aug 6, 2023. Hmm. I didn’t see any real changes in range but then again it is my first diesel. It gets 30mpg on the highway at 65mph so I guess if it regens for 7% of the time then it will probably drop to 27 to 28 mpg. Seems drop down to like 22 to 24 mpg when it’s regenerating on the highway., 18 GMC 2500 L5P. 65K miles CEL came on about 2000 miles or so ago. Truck was running fine and was using DEF normally but CEL keeps returning on a P026D. Changed MAF sensor and inlet temp sensor, CEL still returns. Took truck to dealer for reflash recall and P026D was gone after but returned next day., In today’s digital age, building brand authority and trust is crucial for any business seeking to succeed in their marketing efforts. Forums offer a unique space where users active..., How It's Made: The Duramax Diesel Engine said: There are a number of things that make the DMAX facility different from other GM engine plants. The most significant is that it hot-tests 100 percent of the engines it produces. That means every 6.6L engine is run on a dyno before it ever goes in a truck., Apr 5, 2017 · Regular maintenance needs to be documented at required intervals and you need to replace all external parts as needed but good piece of mind on internal failure. Truth is if you change the fluids as required to keep the warranty most would never need to use it anyway. 2017 L5P 2500hd LT 4X4 CC/LB. , The trucks have lift pumps built in and can support enough fuel delivery for the current "tunes". The L5P has an in-tank pump that keeps the entire fuel system under positive pressure, so there is no need for a lift pump. I don't know what its horsepower limitations are but tuning for the L5P is still in its infancy so there's probably little ..., I was under it yesterday and noticed oil on the bottom of the intercooler line prior to the intake (passenger side). All I've read and been told point to one of 5 things. 1. Excessive Crankcase pressure. 2. Kinked drain line. 3. …, 06 LBZ 2500 350,000mi 09 LMM 3500 Cutaway 700,000mi 22 L5P 3500 DRW. All currently on road. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 208.5K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, …, Lucas Diesel Deep Clean in L5P. As just about everyone has mentioned, I was getting a little irritated about my DPF regenerating every 300 miles so I went out and bought a bottle of Lucas Diesel Deep Clean and put it in with my last fill up. It was in the middle of a regen and after it finished I've been keeping track and after 550 additional ..., A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!, The DOC is behind the turbo on the L5P motors. 2015.5 LML, WCFab billet S480 over stock, LDS 100% sticks, Exergy 12mm cp3, Mike L trans, Fass ... Chevy and GMC Duramax Diesel Forum. ... 208.2K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the …, MC_Diesel Discussion starter. 124 posts · Joined 2013. #1 · Oct 3, 2016. Looks like GM is upping the ante once again. The MY17 L5P Duramax reported to have 445 hp and 910 lb-ft. :surprise: 2019 3500 SRW Mega Limited HO Cummins/Aisin:grin2: Sold: 2013 2500 Mega Laramie Longhorn :thumbsup: Share. Like., NachO_GMC. The L5P is a complete Engine redesign - the rest of the truck is the same - Wheels, to headliner. We have minor improvements like locking tailgate and some infotainment upgrades - mostly quality of Life type improvements. the Engine is Unproven when you compare the # of miles on the road to the LML's., NachO_GMC. The L5P is a complete Engine redesign - the rest of the truck is the same - Wheels, to headliner. We have minor improvements like locking tailgate and some infotainment upgrades - mostly quality of Life type improvements. the Engine is Unproven when you compare the # of miles on the road to the LML's., DALLAS — GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering., We obviously know the benefits from days long ago where deletes were common practice. Collectively, we know understand and acknowledge the legality, or lack thereof, of such modifications to the current engines, specifically the L5P. That being said, computers rule the world now. Although heavily encrypted, it seems as though they …, 6,835. Location. Colorado. Jun 30, 2022. #1. My 2021 L5P Duramax has been consuming oil since we started towing with it at about 2,500 miles on the …, His dealer actually encouraged him to do it, while they had a lineup of L5P waiting for a tank. I wanna stress this, my brother did not want to do this, unfortunately the constant downtime, parts availability, and repairs made him do thanks to GM. It’s the very first diesel he has owned that he had to delete. I will not tell you what’s ..., Keep it L5P Related. Please keep it l5p related, share any knowledge you have with the group, if you own or looking at buying an l5p you are more than welcome to join us. 2. Be kind and courteous. We're all in this together to create a welcoming environment. Let's treat everyone with respect. Healthy debates are natural, but kindness is required., The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv..., Jul 31, 2021 · This will help you see the specific code when it happens and have the ability to clear it when needed. The L5P has so many sensors on it that you can monitor absolutely everything without needing any additional probes. Keep going to the dealer to maintain paper trails on everything. 2018 L5P LTZ Z71 Midnight CCSB. , 491 posts · Joined 2017. #3 · Dec 17, 2017. It certainly should be downshifting at full throttle when it is towing at 1700 RPM and losing speed. The L5P equipped truck did very well in the Ike review towing a much heavier load and it did downshift when needed; realize that peak horsepower is well below governed speed so …, Ever worry that you might fail a bench press and find yourself pinned by a barbell? You’re not alone—it’s a common concern on the internet among fitness forums and Reddit threads a..., A forum user posted that she had caught genital herpes off her new partner. She asked for advice about treating an outbreak and wanted to know if there was anything that would help..., The head flow on the L5P's and accompanying cam really let the larger turbos come alive at lower RPM than any other year dmax ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to keep this the #1 forum for tech and information while …, Aug 12, 2022 · Postings of Tech Service info for any New L5P engine issues. , Dec 16, 2012 · Will have over 5000 by the end of next week. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. 2013 CrewCab and chassis with 9' Hillsboro aluminum flatbed 84,000 miles. - Sold Sept 2019. chevor-2010-gmc-2500-maintenance-log.