Mods to do first on a Duramax

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Mods done to the Truck!
EFI Live DSP5 Switch Idaho Rob
WCFAB Stage 2 Air Intake Kit
68mm Street Turbo Ryan’s Diesel Service
WCFAB YBridge
WCFAB Hot Side intercooler pipe
FASS Titanium 150GPH Lift Pump
FASS Fuel Sump Kit
MBRP 3inch Turbo Down pipe
Cat/muffler delete
PPE Race fuel valve
Ported fuel fitting
Transgo Jr Shift Kit
Resonator Delete
Egr Delete
Egr Cooler delete
Sinister Cat Fuel Adapter
Sinister 4 inch Exhaust with AR15 Tip
PVC Reroute
PPE Stage 5 Built Transmission
Zone off-road upper control arms
PPE Stage 3 HD Tie Rods
6" Pro-comp suspension lift kit
5100 Bilstien Shocks
35/12.50/R20's
20x12 Vision Prowlers -51 offset
Trail Ready Front Bumper
Music by: suncloud

[@andrewt248]

Great list! I would put them in a different order, personally... 1. Lift pump. 2. EGR delete & tune. 3. Downpipe & exhaust. 4. Cold air intake (if LLY, replace turbo inlet pipe as #2). BONUS: Tires (assuming stock/worn).

[@JOSE20805]

Het sorry for being ignorant , but from what I seen I’m under the impression that a tune and delete takes life out the truck due to the transmission and and such nit being able to handle it . Why would you wanna do that ?

[@TheKevintillman]

@@JOSE20805that’s only the case if you put a high horsepower tune on. There are towing, economy and stock options that will actually make everything better assuming it’s professionally tuned and not a box tuner.

[@clintpalka]

Love the videos man . Keep them coming . I like how your a normal down to earth guy . So many channels have that whole diesel guy stereotype.. annoying lol . You videos have helped me a ton with my first duramax So thank you for taking the time to upload .

[@chaser4251]

feel the same, buying an 06 lbz tomorrow. thanks @truckmaster

[@ToXSicK1340]

Spot on List TM, Great Video Sir. Here is how I did my LMM; (1st) CAI & Edge CTS2 W/EGT Probe (2nd) PCV Reroute (3rd) PPEI Tunes W/DSP5 switch & 4" MBRP Exhaust W/DPF deleted (4th) Fass 165 Lift Pump & PPEI Race fuel plug. …… And all I can say is HANG ON WHEN YOU SEND IT!!!!!

[@nickhehir7414]

I said it before truckmaster and ill say it again she looks great cant wait to see the mirrors leveles out and the lights in the bumper cuz she looks excellent

[@fawkem8622]

Personally I would put the air intake last. The stock intake is good for around 500hp.

[@Jibbz707]

Eh on an LLY changing to the S&B inlet is huge on its own; you might as well go full send. I couldn't believe how much coller & better air flow my truck had after an S&B Dry Filter + Inlet.

[@chrisao1987]

The very first thing you get is a lift pump. Personally, I’m not a big fan of tuning. Iv seen a lot of my buddies with 0 issues with there trucks, turn around and tune them and all of a sudden they are spending thousands. If these trucks were designed to run like these tunes make them run, then they would of made them run that way from the factory. I agree with the race valve and the ported fuel valve they did wonders for my 06 LBZ. Cold air intakes are a preference thing, the stock is sufficient enough for sure. I don’t run my truck hard just because diesels are not cheap to repair and just breaking stuff for no reason isn’t my thing.

[@jonathoncatterson8901]

I would egr dlete first lol. And yes lbz mouthpiece right away. Then exhaust

[@rickypisarchick7127]

The yellow wire kills my ocd lol good info

[@striveforselflessness3220]

Why is an oil bypass system never mentioned?? If you want to increase the life of the engine and increase time between oil change intervals (thereby saving money), then this should be very high on the list. Not everyone is looking to get 1000hp. A lot of us want their trucks to last.

[@michaelsites1498]

That’s the absolute first thing I’m doing!!!!

[@columbus400]

The CAI would be the last mod I would do the OEM air box and mouthpiece make really good power well up to and beyond 500hp range, love my wc fab intake yea the metal absorbs hot air but cant beat the quick spool up Lift pump, exhaust, efi,egr delete, absolute must have 👍🏻

[@erwinnez3735]

First mods when i get mine LBZ... Duramax Life decals....🤔 thx TruckMaster. Love the vid!

[@TILLEYJS]

I can give first world experience on an EGR delete. Put PPE tuner set on number 2(no alteration to transmission needed). 14,056 lb triple axle trailer 40' long. EGR: 7.5-9.5 mpg. Best was 10.5 mpg. Without EGR. 10-11 all day long. Best was 13 mpg. Speed was 64-70 mph. Didn't force to go faster than conditions would allow. Going up passes like Montana, Idaho, Washington doing as slow as 35-45 mph. This is just for additional reference.

[@nathanbrodeur]

Josh one thing I would start with is dropping the fuel tank to clean it then fuel filtration and injectors then air intake and exhaust then go through the axels then transmission and transfer case then engine head stud kit then tune then upgraded turbo with new tune

[@blee8884]

Should do a video showing you putting that intake on. I am thinking of putting those on my Lmm

[@jamalbisharat5029]

I enjoy your videos, just got a stock lb7 and I definitely like your style! Thanks for your knowledge and experience! God bless you

[@kyleneal3472]

I put the 4 inch wcfab intake on my lbz duramax and I think it make my turbo brake work a little better. Seems to slow me down quicker( or it’s just waaay louder) either way it looks bad ass.

[@dieselmike7513]

Just seen my first duramax 4 life sticker today,

[@johnnyholmes1658]

Good info for new owners. I agree with you.

[@robertperkins1334]

Love the vids! You deserve way more than 50k subscribers lol your content and everything is awesome. Best of luck man!

[@TruckMaster]

Thanks brother

[@jodell2023]

I figured lift pump would be #1. Heard the stock lbz intake was good up to 500hp.

[@GSndrhn]

Agreed, if it won't pull, just buy a gasser.

[@troyforklifthill9254]

Very informative. Good shit bro. In the middle of trying to get a house loan and truck parts. Tough decisions my way for sure. Keep the content coming. I’ve only had mine like 6 weeks already did the whole front end , and rims and tires on The LB7

[@dannyrbailey]

Engine bay is lookin clean man!

[@SeanTolan_illuminated_imaging]

Just bought a 2006 with the LLY/LBZ. Technically a LLY but has the upgrades that gives it 605ft lbs of torque. On a budget so it will be piece meal upgrades for towing. Thanks brother, love your videos!

[@TruckMaster]

Thanks Sean

[@SrtJasper772]

Id love for you to make a video just venting about duramax upgrades and you feel is best etc etc etc

[@heberclementiii6788]

1st and for most LIFT PUMP . Always 1st . . Have you ever Dyno your just truck ? Just wondering what your numbers are. Thanks for the videos..

[@stevieraymac774]

EXCELLENT VIDEO!!!! GREAT INFO ON THE DURAMAX MODS. AWESOME TRUCK DUDE!!!!! HAVE A QUESTION..... WHAT KINDA FUEL TREATMENT DO YOU USE??

[@DURTYMAXLML]

Love your vids! Keep up the good work! Just got my truck ceramic coated! It's amazing! Are you going to ceramic coat your truck?

[@legacy3883]

I think I would do the exhaust first or even the EGR delete first and then tune !

[@shanek6582]

Can you do the strengthening pin on the harmonic balancer mod?

[@blackheartsmarine0351]

My dad has an 05 GMC 2500 diesel that he is selling. I’m considering buying it. I’ve always wanted a diesel. I’d love to do a bunch to it

[@dustyfrog9147]

Good advice ☘️

[@natep1661]

Tie rod sleeves Traction bars Transgo jr shift kit I wouldn't recommend the fuel race valve. It's a safety. If you're FPR malfunctions you could start splitting components open. Best bet is to shim it or a new Bosch one is like $150. Also the only reason your fuel has air in it is BECAUSE of your lift pump. The fass, air dogs etc create as many issues as they help. Kennedy twin lift pumps are the way to go. Won't airrate the fuel, no 1/4 tank issues, no need to drill a hole in the tank bottom etc. And they are good to 800ish hp.

[@cesarlaso356]

Be smart, and think about what else you can do while your truck is apart. The real key is the budget. Try and wait for the bigger parts like turbo, but cheap things like rail plug, pcv, resonator delete, Pump rub kit and lift pump are immediately needed. Once you decide to egr delete might as well do down pipe, up pipe, turbo, y bridge and intake.

[@ToddHLHG]

Thank u for the informative videos..im currently shopping for a duramax to pull my 68 camaro

[@kingrepair4401]

Really the first thing you should do is the lift pump... absolutely. thats going to take a strain off of the CP3. the race valve is whatever... its essentially blocking return so yea if you have a difference between desired and actual fuel pressure you might have other problems but stock air box definitely and the rest is great but yes lift pump 1st if youre going to tune

[@tystrouss4149]

Important info thanks man

[@turbocharger2639]

You need to get built trans tunes for your truck to go with that big 68mm 👌

[@JR_Fishin]

Nice video, keep up good work

[@livingthedream6749]

I’ve been watching your videos and you do a great job. My wife and I just purchased a 2011 Chevy 3500 Dualy. It’s all stock and I purchased an extended warranty and they asked me if any modifications were done and I told him no but I would like to make some if possible. How do you deal with this issue and still make some modifications?

[@lgnw-ong1189]

Nice vid josh

[@rocklow243]

The lly duramax is the only one with the restrictive mouth piece. The rest can get away with stock mouth piece. you only flow 10-15 percent more with a aftermarket mouth piece.

[@1ronman1]

Eh stock intake is perfectly fine up until ~500HP, been talked about over and over. Really surprised you said this as the first upgrade to do.

[@Swordofmichael333]

Stock intake is trash man, as soon as you upgrade it, the sound and feel of the new intake is extremely noticeable. My lly had very small low end pedal surge and the intake and turbo mouthpiece really helped make it go away almost

[@99chev60]

The description says you have the FASS fuel sump kit. Did you get rid of the beans sump?

[@hulk7622]

My opinion would b lift pump first

[@bigred913]

agreed, saves life on cp3 and injectors, especially on lb7 generations

[@ontariocashcropfarmer4955]

PCV reroute definitely 👍🇨🇦

[@redbic420]

Ontario Cash Crop Farmer I agree, first is egr delete them pcv reroute then lift pump, intake and tuning

[@juannunez1997]

@@redbic420 would you do the egr delete or exhaust first or at the same time. Hopefully I can still delete my truck these days. I just bought it in January.

[@redbic420]

@@juannunez1997 I deleted and did exhaust at same time

[@ReilAngler]

I just did the egr delete on my 06 LLy now I have 5 different check engine codes from that. It hasn’t been put into reduced powered mode luckily. It has a fuel pressure sensor code to now. I probably should’ve did all the other mods first but I didn’t so🤷

[@dakotadickens3747]

ReilAngler 1999 yes 2006 and up really any truck. Never remove or a part without tuning. You can finger stick the truck for like 50 bucks and it should clear the codes. Not the best fix but works

[@Jibbz707]

That "Turbo Brake" is going to blow up your motor... Who's EFI Live tuning are you running?

[@nathanmescher6840]

How is the turbo brake going to blow the motor? Newer trucks they come stock and they are on so many semis

[@Jibbz707]

@@nathanmescher6840 Semi's use Jake Break's or trans breaks. These breaking systems (which yes do come on new trucks) MUST be designed into the motor be. They work off of back pressure, and I have seen plenty of DIY installs litterally blow up a motor.

[@nathanmescher6840]

@@Jibbz707 variable geometry turbos is what chevy uses for the exhaust braking. Earlier models had the turbo but not programmed to do the braking

[@joelrodriguez2184]

Thanks for all that information, I like all your video you been very helpful and inspired me to do some work on my lmm. Question do you know how to test the dsp5 switch??

[@parkingfortheweekend6305]

I just bought my very first diesel, an ‘06 LBZ with 49k miles. It’s destined to tow my camper for many, many years (hopefully). Which of these mods are geared more toward racing and power rather than just utility? I’m happy with the power it’s putting down... just looking for some aftermarket improvement/insurance, if you will.

[@jimsjacob]

Same here… I got an 06 new and it’s been yanking my 5er since then. Mine is completely stock because I live in the oppressive socialist state of Kalifornia. Can’t really entertain any of these mods because of the push back I get from the smog stations. Yes, they make you “smog” your diesels out here. They jump in it and rev the motor and look for “smoke” out of the pipe. How arbitrary is that?!!? Anyhow, good luck.

[@hr0521]

Nice vid but Very first mod should be "Duramax life" decal!!!

[@nathancatlin3849]

Like the led lights and led turn signals, what brand, haven't seen anything on those. Thanks love the truck.

[@boostautoparts]

Solid advice as always!

[@nickmitchell3095]

Can you put a race fuel valve on a lb7?

[@cowboy19750]

Wheels and tires

[@tomfoolery5033]

Best Duramax mod is a For Sale sign.

[@Crawltheworld]

Okay a question on the EGR delete. So I have a fairly stock 06 LBZ. I want to delete mine cause I have an exhaust and a “cold” air intake for K&N. Wouldn’t you want to take all the piping and inter cooler off and wash out all the recycled gasses? Cause in my train of thought. If it’s that bad and my truck has just clicked 200 thousand wouldn’t it be restricted? . Am I right/on the right path or an idiot? I appreciate anyone that can read this monstrosity of a comment and lead feed back. I would just change all the parts I listed to clean but I’m tight on money. I can’t afford my daily to fail on me. Again thank you 👍🏻👍🏻👍🏻

[@Brandon56784]

Crawltheworld you will only have issues post EGR valve as that is where the exhaust gas is introduced back in to the intake. Everything from the turbo to the EGR valve will have some amount of oil in it due to the PCV system. I wouldn’t remove all the piping personally unless you have an extreme amount of oil but you shouldn’t. Pulling intake piping from the EGR valve to the y-bridge would be a better bet to clean if you feel so inclined. I would recommend a SDP, HSP, or WCFAB charge pipe and y bridge for bed results and don’t forget an “LB7 style up pipe” for the passenger side ( blocker plates will bite you).

[@fmzz9808]

How can I pass emissions in Texas with an egr delete?

[@charliejohnson5458]

Dont live in a county with emissions, or talk to a diesel mechanic about a place that will pass it.

[@jacobjohns2194]

do you have to have a lift pump prior to installing a race fuel valve? will i see any benifit if i install it with only a intake and exhaust on a LBZ?

[@brianyetzke5970]

Awesome video

[@frontline453]

Have you replaced the driver side exhaust manifold? Pistons 4 and 6 have a indentation for the clearing of the steering rod. After I found that out, my OCD kicked in and I had to replace mine.

[@bradleyhodges451]

On the new trucks can you get rid of the def.

[@CALIBOY2oo2]

Great vid first to like!

[@rolandomartinez9299]

Wait there’s a way you can put remote start on a obs? If so tell me how lmao.

[@bradleyhodges451]

What about if your truck has the open hood part that sucks it in over on that side what’s a good one for that because like my 2021 the hood has that kind of like a Cowell in the front that sucks it in and channels it over there

[@tothelimit1042]

Love your videos man! I’m sharing my mother’s 2006 Chevy Silverado lbz mshe bought new to tow w 5th wheel horse trailer in the area. It only has 19k miles on it

[@TruckMaster]

Good luck to you and thanks

[@sammyruiz8874]

I have a 2004 Chevy Silverado Duramax 2500. I want to get a good tuner any recommendations.

[@anthonyflo-restortion854]

I have an lml that is deleted, but my problem is i cant find anyone that has a tune for it being deleted. Looking for help

[@juannunez1997]

Have you gotten it tuned yet? I got a lmm and want to delete mine.

[@anthonyflo-restortion854]

@@juannunez1997 actually I found out my truck was tuned. Being it has to be tuned after its deleted in order to run right.

[@scoterplow50]

Good stuff right on target 🎯

[@benb6801]

I have a lmm truck that needs a new engine any recommendations to do while the new engine is getting replaced besides the delete and tuner, I’m buying a long block and was planning on switching over the injectors, turbo, radiator, etc

[@bradleyhodges451]

What about a L5P

[@adolph289]

awesome

[@hmongwild]

On the dsp5. Is it possible to have one of the number set to stock factory setting that way you dont have to upload stock settings when smogging.

[@fisherrj99able]

What front bumper is that? Having a hard time finding anything similar for LBZ believe it or not.. about to weld one up myself found a diy kit but that’s it

[@bradleyhodges451]

Should you get a 4 inch exhaust or a 5 inch exhaust

[@Andy1mx6]

What numbers do u hit for egt temps? Did the wc fab y bridge and driver side piping help lower urs? I need lower egt temps and was wondering if that would help me. Thank you for all your videos

[@michaelprice1330]

This is of subject. I have a stock LB7 and i was pushing 80mph down interstate and a sound came about like a old diesel or almost like a big rig taking off with all the air noise like a hair dryer. What might have caused that please?

[@bassdaze]

I'd say you'd be hard pressed to beat a stock "modified" air box, cai? maybe but the stock box is hard to beat, doesnt look as cool but still

[@JeremiahHartmanPhotography]

Sorry if this is a stupid question, i've read through forums and no answers. At what point do you need a tune? Can you do an intake, downpipe and exhaust without a tuner? I wasnt sure if it would cause problems like on turbo gas cars or not.

[@TruckMaster]

You would tune prior to doing any deleting of emissions

[@alexk3462]

Hey! Love your channel! Just wondering how can I get my LLY programmed with EFI Live and with the dsp5 switch from Idaho Rob?

[@bloopmcgroober2580]

He got shut down

[@brianknight4997]

208 diesel repair Nampa ID did mine

[@caseyn720]

hey what bumper is that??

[@mauricesnyder2290]

What's up truck master I don't own a diesel as of yet but I still thought I would ask this question because the truck is a truck pretty much other than the motors I have a 99 Chevy Tahoe which my four by four stop working so I looked up on KZbin such problems for that and it said more so that it might be the actuator so I change that and I still have no 4 by 4 would you happen to have any solutions to the situation as of now I will appreciate any help that you might have thanks again and keep up the good work I look forward to seeing you and your wife in the garage working together thank you.

[@nathanalexander8052]

This sounds like a 4x4 transfer switch ..... Do you have a button switch or a manual 4x4 stick to put in highy or low

[@ToXSicK1340]

Do you have access to a Scanner? If you do, this would very much help determine whether it's an electrical problem or mechanical.

[@mauricesnyder2290]

@@nathanalexander8052 I have the push button 4lo 4hi which I switch that out at the very beginning sometime ago and that led to not helping

[@nathanalexander8052]

@@mauricesnyder2290 dose the transfer case make any crushing sounds. Have you looked at all the fuses inside the truck and out side the truck

[@jodyodette8907]

I need help bro! I have a 2007 2500hd with a 3” zone lift and I want Bilstein shocks but I don’t know what ones to buy?

[@williammoorhead607]

What front bumper are you running

[@justinflakes2513]

What is the best way to level a duramax amd fit 35s

[@angellira1777]

What type of bumber is that

[@AKABLACKKGYPSY]

subbed. looking to buy a diesel soon. thanks

[@streetglid3718]

I have the same truck since new. 129,000 miles on it now. Some mods but the damn truck is rusting away. Any suggestions to combat rust.

[@TruckMaster]

Watch my chassis saver video I did a full video on it

[@haydendenard2693]

The engine bay heat really has no effect on it honestly as a Diesel mechanic for well over a decade I've built a ton of performance oriented trucks for people it's more about how much air the filter can flow than it is heat it's great to have both but the difference is negligible at best the only place you'll even see it is MAYBE on a Dyno you will absolutely never feel a difference driving and once you are cruising down the road it's ambient temp air is getting pushed into/through your engine bay anyway

[@raypez24]

What front bumper is that?

[@TruckMaster]

Trail ready

[@Knolgarcia69]

Is that order of mods also for a 2019 L5P?

[@ScottyMillerBro]

Hey what would be your mpg on average with your mods you listed?

[@AngelIRQ0508]

Woot woot 🍾🇺🇸

[@blackairforces7074]

What bumper is that

[@TruckMaster]

Trailready

[@wesleymadsen4357]

I'd first get a ford delete, and then I'd buy a duramax

[@atlga2436]

Lol 😆

[@bwc1984]

What tunes are you running

[@jimwashington860]

U missed lift kit wheels and tire bro!!!

[@alecbittner6624]

Head ass

[@JoseLuna-bi8lm]

Does y bridge kit delete the egr??

[@jamesfreeney4537]

@Jose Luna if you do the ybridge kit you will no longer have the egr or the cooler. You will be left w the blocker plate unless you do the lb7 up-pipe. Make sure to check your state’s emissions laws, don’t get caught with your pants down.

[@JoseLuna-bi8lm]

Thank you 🙏

[@redbic420]

Definitely don’t put a blocker plate go with a lb7 passenger side uppipe

[@jameshudson9479]

I’ll tell my uncle 👍🏻

[@brycebell1081]

I bought a 05 duramax that has that switch all it says is "duramax tuner" it has the 5 switches but how do I figure out what tune is what? Are they all the same? Are they programmable?

[@dakotadickens3747]

Just go to duramax tuners website. They only have like two options. So it will give you and idea. You can also call them with the vin and ask. But it could have been flashed over possibly. Idk if it’s possible on an Lly or not. Lbz and up I know can be directly flashed over no issues. Earlier truck can be ecm locked.

[@mikef6706]

Ref: 07.5 LMM I noticed you are running a 20 psi coolant cap. My truck owned since 30K miles had a 15 psi cap. Went to the dealer to get a new cap and they said the 20 psi cap is the correct cap per VIN parts search. Which is the Correct cap? Which cap is the group running? Thank You Great Info!