Will A Diesel Fuel Cooler Actually Give You Better MPG? Duramax / Powerstroke / Cummins
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- čas přidán 21. 11. 2023
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Can you please do a review on Amsoil 20k plus oil and if it really is legit to go that long before changing?
Are you on Telegram or did someone make a fake account using your profile photo?
I can wait to see the results man! I know you live in Michigan, like myself. I work in the fuel industry as service, servicing, repairing, and building fuel stations. Be very careful putting additives in the winter blend fuel. We see it all the time, in witner, with stations adding more additives to try and help their customers, and end up clogging up their dispensers and motors. Just wanted you to be aware. Keep up the great content bro!
Really good content, I've got an LBZ in an 05 Suburban I'm using to take the family on road trips. I would love to improve the MPGs! Keep the content coming!
When I swapped out my original fuel filter mount for an aftermarket one. I made a heat shield out of an old road sign aluminum. I made it wider, and longer than the fuel filter. I gave it an approximate 45* bend at the bottom. I also raised the filter head up about 1” bolted the heat shield to engine mount. Bolted the fuel filter head to the head shield above that. It has to help some.
Should have rerouted the air dog return to the factory fuel cooler and run the return fuel from the engine to the ppe cooler….still dual coolers but the hotter fuel will get the more efficient cooler….right now you’re basically running how it would stock because the air dog return normally isn’t there
Love that you are doing this going into the cold season in Michigan. My first thought was gelling issues. We had a really bad cold bit around Christmas last year and even with double anti gel additive I still had my lift pump gel up. :-( Look forward to seeing your results.
Definietly looking forward to the update on this mod here 🎉🎉
My hydraulic firewood processors use a fluid cooler that has a 12 volt fan on it. I have been thinking about putting one on my LMM since I have a 52 gallon Titan tank that pretty much blocks off the factory fuel cooler. It could be mounted anywhere since it has a fan on it. Central Kentucky Duramax driver since 2002
Yep, I have to see the results!!!
Looking forward to the results on this test. I don’t feel like you will get as much benefit from this during the winter months but it will pay off in the summer months. Waiting on the results from this to see if I should try it. I was thinking of buying the PPE transmission cooler, using it on my transmission, and using the old transmission cooler to cool my fuel.
Been watching you for awhile now and was curious if you had a updated LB7 parts list you would recommend. I got a 2001 lb7 and would like to start building it but dont know where to start.
The first half of this video was spent talking about all the places that the fuel gets hot going from the engine to the injector pump (trans, engine valley, stock fuel filter etc. Cooling the fuel in the tank doesn't stop the fuel from accumulating heat on the way to the engine next time. The point is to have the fuel as cool as possible going into the injector pump. I have a trans cooler for the fuel on my LBZ that i put on a few weeks ago due to excessive fuel temp towing this last summer. I routed mine before the cp3. My fuel goes from the tank to the airdog, then the stock fuel filter, then the fuel cooler, then the injector pump. I have only driven a few miles, but I did notice the MPG seemed to be higher on the way home from the gas station, and power seemed to be up as well. Fuel temp readings at the fuel rail were about 20-30 degrees higher than the temp outside!!!
I plan to update this with better information after towing with the new system. I was only hoping for better cooling for CP3 and injectors. If i can get more power and MPGs that is just an unexpected bonus.
Your setup is removing heat closer to the injection pump but the question is whether or not you're removing more heat. I don't see any reason your fuel at the pump is any cooler than the setup with the cooler on the return side. Probably some law of thermodynamics going on here that says one works or both work or something. Maybe fuel can only be cooled to a certain point and it's better to cool the hotter fuel after the pump then cooling cooler fuel before the pump
Would love to see an HHO kit installed on one of your trucks to see if you experience any gain in HP and/or fuel economy, or to prove that it just snake oil.
My LBZ came with one, under the bed sprang a leak when I backed over a stump, buddies older Duramax had one too and it leaked too Horribly the fittings that go to the lines rot out. Never thought about upgrading the fuel cooler looks sweet
A temp gauge on the return would of been a nice comparison of fuel temps before and after
Hey truck master love the content tonight. Very interesting idea…hey what kind of drill bits do you use? I just found some pretty great bits at a company near me called KnKuts. Made in America and I can’t wait to try them out.
Happy Thanksgiving from my family to yours!
howdy truck master.:: i would like to know if that same set up of ppe tranny cooler for fuel cooler would also work well for 2017 to 2019 duramax L5P???? opinion ?
@truckmaster do you use a fuel heater on your air dog lift pump with the cold temps in Michigan? I live in Northern Illinois and wondering if it is necessary. I have a FASS lift pump on my LML.
Mate I drive and tow a 4 tonne caravan (camper) over in Australia in 75 + degree and wondering how that fuel cooler worked. Thinking of getting one fitted and checking out the economy….Cheers
Your l5p runs much cooler fuel Temps that my lb7. Last time I looked at mine with the truck at operating temp it was a touch under 100 at like 25 degrees outside. So the l5p is already ahead of an lb7 in that aspect
Yup...i was gonna mention that old post on the forums
I’m not sure what normal fuel temperatures are on a LB7. I didn’t know my CTS3 gave me the option to see my fuel temperature. I added a large cooler behind the grill. My fuel filter has a heat shield, and I raised it 1.5” up off the exhaust manifold. My fuel line runs from the filter to the cooler, and from the cooler to the CP3. I know before touching the fuel filter it was way too hot !!!
After all this my temp was 120* yesterday and it was 40* outside.
I guess time will tell and I’ll see when it gets hot out.
Do you have any data on if this helped? Do you need to bypass this during the winter?
Hope this mod works out good for you! Hopefully the gelling wont be to big of an issue!
any updates so far on this..im looking to replace my leaky fuel cooler and trying to find an aftermarket better style...
Very interesting another great informative video from one of the best on you tube
Thanks
Dumb question, my lb7 came factory with one did they stop putting them on after the lb7?
You are the reason I bought a diesel
Now I want a camper
I've added lift pump and cold intake
Doesn't B&M make a trans cooler with a built in fan that would nelp with air flow?
Where’d you get your front bumper at?
Love these videos!
So what happened to your factory fuel cooler down by the fuel tank?
I came back to see if there was an update on the fuel cooler. Any update?
@TruckMaster I’m looking at a 03 duramax with the lb7 do you guys do jobs for customers with injectors and motor builds or just your own stuff? Where are you located?
Look into the 6.4 powerstoke fuel cooler it’s a pretty interesting design
I totally agree
Ports to the top to prevent air locking in the cooler.
Truck Master i have a question on my 2015 lml .....i bought it and the mechanic told me not change the trans fluid....if i did it it could ruin my trans........how much of that is true....?
Is there any horsepower and mpgs gains from running air dog or fast?
What about just adding an electric fan to the stock cooler?
That’s probably the best bet
Is your fuel cooler installed on the fuel return to the tank or on the efi system inlet 🤔
If you put that big cooler in front of your ATA, a/c condenser does it raise your intake air temp?
I don’t think it would since the air passes through the cooler so it shouldn’t block it
happy thanksgiving, sir. may God bless you and your family to have a great holiday.
•
i do have a question…i’ve heard from a buddy of mine, who has a ‘03 lb7, that if a duramax is deleted, there is no block heater. is that true? the specific truck i ask about is a ‘06 lbz. there is a plug & cord zip-tied just outside of the passenger side exhaust manifold. is that the block heater plug ?
Bro it’s 🔨Time !🎶💪🤠🤙
Watching now…still within the first 5 minutes. Curious if you installed an electric fan on the fuel cooler if it makes a difference? I mean, a bunch of other coolers benefit from e-fans. Looking forward to seeing what you find. Staying tuned 😂😂
Hey brother. I appreciate your service to our Country and also serving we diesel owners with knowledge. Thanks to you I know exactly how to work on my 05 LLY…even if you lead me to a different once popular (for you 😛) kit that doesn’t fit that well. LOL. Messing with you man. It still works but it’s always a PITA to remove of install. Regardless, Happy Thanksgiving to you, your family, and all your loved ones. Keep up the great work.
My problem is with the cold winters in Wyoming trying to keep my fuel filter from jelling up I need heat not cold it put a fuel heater on my pump but when it's 20 below it blows the pump fuss before the heater can warm up the fuel filters I could put a switch to turn off the pump and let the heater warm things up but by the tie it heats the filters up the batteries will be dead I belive running a larger micron filter in the winter would be a better idea ,I have the oil pan heater now I put it on the filters for an hour before I start the truck it seems to work get the fuel flowing through the filters I've tryed the fuel additives they don't work and our fuel has winter time additives already I've built an isolated blanket to go around my filtersthey say that will help we will see maybe if you lived down south that would work but Wyoming it's snow and cold 9 months out of the year once I get the fuel flowing the pump heater should keep it warm hope hope hope
I feel like it would be lower if u wasn’t towing something but ofc u were testing its limits but to me I feel like it’s worth it lower temps is always better overtime
First HAPPY THANKSGIVING to you and the TRUCKMASTER family.
This is agreat little project experiment. It certainly makes sense that it will make a difference. Wonder how / if a person could route a forced air duct to the stock cooler as well ? 🤔... Back years ago when I was a young hot rodder. We ran the fuel lines (gas). Through a small ice cooler and into the carburetor. Cold fuel and cold air atomized more efficiently. Resulting in better horse power and cleaner burning efficiency. Which if you think about top fuel drag cars running alcohol which is far cooler than gasoline and far more efficient. Now I might be wrong. However if memory serves me right. Bully Dog use to have a system that misted water and it was kind of the same idea to cool the fuel and provide a better atomization mix of fuel and air. Which also prevented knocking. But that was many years ago. Will be interesting to see how this turns out. That large cooler should make a real difference. Be interesting in winter temperatures and summer temperatures running down the highway. If a guy got really mechanically geek about. You could add a small electric fan and switch for use in stop and go city traffic during warm weather. The difference with diesel being compression fired. Vice spark fired like gas. Means you can work with the return side and not worry about the delivery side. Gotta love this stuff... good luck and have fun. Looking forward to seeing the results. You and PPE and RDS might be onto something here... 🤔 🤓👍
I always appreciate the great feedback and suggestions thanks again brother
@@TruckMaster Your welcome. I really enjoy the content and watching your channel. Have a great Thanksgiving.
I was thinking the same thing with temp gauge to turn the fans on so off in winter .
Any results?
I really wanted to support the Chanel bc I’m getting an air dog for my 7.3 powerstroke but you don’t have it in your website so I’m sorry lol
Caterpillar training program has proven and teaches. Every degree lower or higher egt’s go up and down 3 fold . 20degree up or down on fuel temp equals 60 degrees up or down egts.
It’s all interesting and it all helps.
I found you an lly s400 kit
I maybe wrong, but why the improvement in the return side, if you have a small steady stream of fuel going back into the tank, in theory it should absorb the tempurature of the tank fuel. It would seem more prudent to cool the Cp3 fuel supply side prior to going into the injectors. Maybe I am wrong about this, but the atomization process occurs at the injectors, not at the tank. I don't understand how a small stream of hot return fuel will effect about 30 gallons of ambient fuel.
It won’t that’s why I need to reroute it differently
I’ve considered a much larger/ better cooler in the factory location, but adding an electric fan to it.
Updates?!? This is killing me 😂
First from TX!
I’m interested in better gas mileage. Good going.
If you have an Airdog II 4G, I don’t think it will work. The return hose on my truck barely returns any fuel at all. The newer lift pumps just recirculate the unused fuel in the pump itself instead of returning it to the tank. The only reason it still has a return line at all is for air and foam to escape.
First from VA!
i wish you had tshirts in stock so i could get entered
Can this mythed work on gas powered trucks?
Yes
Josh did u have to reprime fuel system.
No
First from Comifornia, I mean California!
I just pressure washed off the fuel cooler yesterday on my LLY and man oh man there was a lot of stuff coming out...
That trans cooler can handle a lot of pressure. Why don’t you hook it up to the engine side of the air dog. This will cool it before it hits the cp3 and injectors. The air dog should have no problem feeding the engine what it needs through the cooler. This being an experiment I think you should at least try it. I have a 03 suburban with an lbz and an RDS 64mm. I need some mpg help.
Unfortunately that would add another filter after the trans cooler but technically speaking the LML trans rarely runs higher than 120 degrees farenheit
Even with the cp3 having to push all that fuel through high pressure fuel lines in the trans cooler there unfortunately is another point of failure.
I get 19 average my LML and snd very satisfied with it
@deeznuts894 is that 19 on the dash or hand calc? And you're right with the trans temp. I often wonder if it is correct. Temp. This morning was high 20s and my 35 min drive to work at mostly 70 I only got to maybe 102.
Hand calculated but long drives it's like 21.5 don't see 22 much tbh
I don't run a very hot tune either I'd say like a 60 hp most of the time
First from GA!
RIP Mike L.
First from Colorado
First from OK.
Can’t imagine how that would work in sub zero temperatures.
No results 😂
First from nc!
Thanks
Cooling diesel fuel will actually be less efficient.
Mike L built my transmission
have u tryed meth injection?
Don't think he does drugs.
@@HSKFabrications methenoll
That works in dropping EGT temperatures
It also helps clean the combustion chambers of your engine. I’m running the Snow Performance kit on my LB7 and i love it !!! Gives a couple extra HP too !!!
Your l5p runs much cooler fuel Temps that my lb7. Last time I looked at mine with the truck at operating temp it was a touch under 100 at like 25 degrees outside. So the l5p is already ahead of an lb7 in that aspect