Failures JH Diesel and 4x4 Sees Every Week
About this episode
Justin from JH Diesel and 4x4 shares insights into the diesel industry, discussing the evolution of customer demands and trends in performance upgrades. He reflects on his journey from gas to diesel, the challenges of maintaining emissions compliance, and the shift towards fleet maintenance. The conversation also covers the importance of regular maintenance, the impact of quality fluids, and the exciting projects planned for 2026, including a square body Chevy build. Justin emphasizes the significance of reliable partnerships with brands and the value of engaging content creation on platforms like YouTube.
Chevrolet Duramax
"Um, I'll never forget my brother had a brand new 05 Duramax, LLY. We slapped a bank six gun on it."
The Chevrolet Duramax is a powerful diesel engine used in trucks, especially known for its strength and reliability. The LLY is a specific version of this engine made in 2005.
The Chevrolet Duramax is a line of diesel engines produced by General Motors, known for their durability and performance in heavy-duty trucks. The LLY variant specifically refers to the engine produced in 2005, which had certain performance enhancements.
Banks Six Gun
"We slapped a bank six gun on it. And just from the day we did that, being able to just go out there and rip a burnout black smoke coming out..."
The Banks Six Gun is a device that helps make diesel engines more powerful by changing how they work. It can help the truck go faster and use fuel better.
The Banks Six Gun is a performance tuner designed to enhance the power and efficiency of diesel engines, particularly in trucks. It modifies engine parameters to increase horsepower and torque.
Cummins
"...like smarty on the Cummins and different things like that."
Cummins makes powerful diesel engines that are often used in trucks. They are known for being strong and long-lasting.
Cummins is a well-known manufacturer of diesel engines, particularly popular in the heavy-duty truck segment. Their engines are recognized for their durability and performance, often used in various applications including commercial vehicles and performance trucks.
horsepower
"...plugging a banks and you're like 150 horsepower and it's like, that's unheard of, you know?"
Horsepower tells you how powerful an engine is. The higher the horsepower, the faster and stronger the car can be.
Horsepower is a unit of measurement for power, commonly used to quantify the power output of engines. It indicates how much work an engine can perform over time, and is a crucial factor in determining a vehicle's performance.
Duramax
"...I was a Duramax guy."
Duramax engines are powerful diesel engines made by General Motors, mainly found in their larger trucks. They're known for being strong and good for heavy towing.
Duramax is a family of diesel engines produced by General Motors, primarily used in their heavy-duty trucks. Known for their power and torque, these engines are popular among truck enthusiasts for towing and performance applications.
leveling kit
"...everybody with a big truck seems like they want a leveling kit lift kit wheels, tires, they want to customize it however they seem fit for them."
A leveling kit is a modification that raises the front of a truck so that it is level with the back. This helps improve the look and allows for bigger tires.
A leveling kit is a type of suspension modification that raises the front of a vehicle to match the height of the rear, providing a more balanced stance. It's commonly used on trucks to improve appearance and accommodate larger tires.
lift kit
"We've leaned more into the lift kit wheel and tire market and then everybody with a big truck seems like they want a leveling kit lift kit wheels, tires, they want to customize it however they seem fit for them."
A lift kit is a set of parts that you can add to a vehicle to make it taller. This helps the vehicle go off-road better and allows for bigger tires.
A lift kit is an aftermarket modification that raises the height of a vehicle's suspension. This allows for larger tires and improved ground clearance, which is popular among off-road enthusiasts.
LB7
"...they're going back to the LOI, the LB seven, the five nine common rail,..."
LB7 is a type of diesel engine used in some trucks. It's known for being powerful and efficient, especially in heavy-duty vehicles.
The LB7 is a 6.6-liter Duramax diesel engine produced by General Motors, known for its performance and efficiency in heavy-duty trucks from 2001 to 2004.
six liters
"...even seven threes and six liters. What's on the fleet side are the biggest questions or concerns..."
Six liters is a nickname for a diesel engine used in Ford trucks. It has some known issues but is still favored for its power and performance.
The 'six liters' refers to the Ford 6.0-liter Power Stroke diesel engine, which has a mixed reputation due to some reliability issues, but is still popular among truck enthusiasts for its power.
seven threes
"...they're going back to the LOI, the LB seven, the five nine common rail, even seven threes..."
Seven threes is a nickname for a specific diesel engine used in Ford trucks. It's known for being very reliable and powerful, especially for heavy work.
'Seven threes' refers to the Ford 7.3-liter Power Stroke diesel engine, which is well-regarded for its reliability and performance in heavy-duty applications, particularly in Ford Super Duty trucks.
LOI
"...they're getting something. They're going back to the LOI, the LB seven, the five nine common rail,..."
LOI is an engine code for a specific diesel engine found in some trucks. It's popular among truck owners for its durability and power.
LOI refers to the 'L5P' engine code, which is a Duramax diesel engine used in Chevrolet and GMC trucks. It's known for its reliability and performance in heavy-duty applications.
five nine common rail
"...they're going back to the LOI, the LB seven, the five nine common rail,..."
The five nine common rail is a diesel engine used in some trucks. It's known for being strong and efficient, making it a favorite among truck enthusiasts.
The 'five nine common rail' refers to the 5.9-liter Cummins diesel engine, which is known for its durability and is commonly found in Dodge Ram trucks. It features a common rail fuel injection system for better efficiency and performance.
CP4 pump
"As you would know, the CP4 pumps and the six sevens or the Duramax, you know, and we're doing, you know, DCRs all the time on these trucks, getting them going."
A CP4 pump is a part of the fuel system in some diesel engines that helps deliver fuel to the engine. If it fails, it can cause serious problems with how the engine runs.
The CP4 pump is a type of fuel pump commonly used in diesel engines, particularly in the context of high-pressure fuel systems. It is known for its role in delivering fuel to the engine at the required pressure for efficient combustion.
LML
"The LMLs, the CP fours, obviously CP three conversions huge."
LML is a type of diesel engine used in some Chevy and GMC trucks. It's designed to be powerful and efficient, making it good for heavy work.
LML refers to a specific engine code for the Duramax diesel engine used in Chevrolet and GMC trucks. It is known for its power and efficiency, often found in heavy-duty applications.
lift pump
"I highly recommend that throw a fuel system of your choice on there, like a lift pump system with a CP three."
A lift pump is a device that helps move fuel from the gas tank to the engine. It's important for making sure the engine gets enough fuel to work properly.
A lift pump is used in fuel systems to move fuel from the tank to the engine. It helps maintain fuel pressure and ensures that the engine receives a consistent supply of fuel, especially in high-performance applications.
CP3
"I highly recommend that throw a fuel system of your choice on there, like a lift pump system with a CP three."
A CP3 is a fuel pump that helps send fuel to a diesel engine. It's important because it makes sure the engine gets the right amount of fuel to run well.
The CP3 is a type of fuel pump commonly used in diesel engines, known for its reliability and performance. It helps deliver fuel at high pressure to the engine, which is crucial for optimal combustion and power output.
head gaskets
"...we did head gaskets on it. There was nothing wrong with the heads, had them resurface, put them back on."
Head gaskets are parts in an engine that keep oil and coolant from mixing. If they break, it can cause big problems for the engine.
Head gaskets are critical components that seal the engine block and cylinder head, preventing coolant and oil from mixing. If they fail, it can lead to serious engine damage.
Chevy Square Body
"One of them is a square body Chevy. We're putting L five P and once the shop additions done, we'll be able to have the room to do that."
The 'Square Body' is a type of Chevrolet truck made between 1973 and 1987. They are known for their square, boxy design and are often customized by car enthusiasts.
The term 'Square Body' refers to a generation of Chevrolet trucks produced from 1973 to 1987, known for their distinctive boxy shape. These trucks are popular among enthusiasts for their classic styling and ease of modification.
L5P
"We're putting L five P and once the shop additions done, we'll be able to have the room to do that. We are doing a fully built motor into another square body."
The L5P is a powerful diesel engine used in some Chevrolet and GMC trucks. It's known for being strong and good for towing heavy loads.
The L5P is a turbocharged diesel engine produced by General Motors, specifically designed for heavy-duty trucks. It is known for its high torque and towing capabilities, making it a popular choice for performance upgrades in trucks.
PRI
"And then we just kind of worked out some deals at PRI for the 72 fast class. So we're going to be entering that and we got to think it's fairly good surprise we're going to do for that."
PRI is a big trade show where people in the racing world come together to see new products and technologies. It's a place for networking and learning about what's new in racing.
PRI stands for the Performance Racing Industry trade show, which is an annual event that showcases the latest in racing technology and products. It's a key event for professionals in the motorsports industry to network and discover new innovations.
square bodies
"I love square bodies. Like I've always, I don't know what about them. I've always, I've always loved those trucks or something like classic nostalgic about them."
Square bodies are a type of Chevy and GMC truck made between 1973 and 1987. They are known for their boxy shape and are loved by many people for their classic look.
'Square bodies' refers to a generation of Chevrolet and GMC trucks produced from 1973 to 1987, characterized by their boxy design. These trucks have become popular among enthusiasts for their classic styling and durability.
reliability
"much so it stays reliable. Um, we've already got like an insanely powered diesel square..."
Reliability means how well a car works without having problems. A reliable car doesn't break down often and doesn't need a lot of repairs.
Reliability in automotive terms refers to how consistently a vehicle performs without issues or breakdowns. A reliable vehicle is one that requires minimal repairs and maintenance over time.
diesel
"Um, we've already got like an insanely powered diesel square body that's almost undrivable on the street sometime. So having one that's going to be really fun to, to drive around..."
Diesel is a type of fuel used in some cars and trucks. Diesel engines are usually more fuel-efficient and provide more power compared to regular gasoline engines.
Diesel refers to a type of fuel and engine that operates using compression ignition. Diesel engines are known for their fuel efficiency and torque, making them popular in heavy-duty vehicles and trucks.
tuning
"Um, mainly tuning, uh, I have talked to a couple of companies we work with. I don't want to mention because I'm not sure which route we're going to go, but they're all developing turbos for the L five P."
Tuning is when you change settings in a car's computer to make it run better or faster. It's like adjusting the recipe to make a dish taste just right.
Tuning refers to the process of adjusting a vehicle's engine management system to optimize performance, fuel efficiency, and emissions. This can involve changing parameters such as air-fuel ratios, ignition timing, and boost levels in turbocharged engines.
turbo
"...they're all developing turbos for the L five P. So it's probably more or less going to be the tuning side and then the, um, L five P upgraded turbo."
A turbo is a part that helps the engine get more air, which makes it more powerful. It's like giving the engine a boost to make it run faster.
A turbo, or turbocharger, is a device that forces extra air into the engine's combustion chamber, allowing it to burn more fuel and produce more power. This results in increased engine performance without significantly increasing engine size.
intercooler piping
"as far as intercooler piping, which is all going to be custom and, you know, intake system, all that good stuff."
Intercooler piping is the tubing that carries cool air from the intercooler to the engine. It helps the engine run better by cooling the air that goes into it.
Intercooler piping refers to the tubes and hoses that connect the intercooler to the engine's intake system. They help in cooling the air that is compressed by the turbocharger before it enters the engine, improving performance and efficiency.
1978 Chevrolet C/K
"So we did, we have a 78 square body that we ended up putting the six seven Cummins in..."
The 1978 Chevrolet C/K is a type of pickup truck that is known for being tough and reliable. Many people like to modify or restore these trucks.
The 1978 Chevrolet C/K is part of a series of full-size pickup trucks and SUVs that were produced by Chevrolet. Known for their durability and versatility, these trucks are popular for modifications and restorations.
2001 Ram
"...putting the six seven Cummins in and we, we actually took the body and put it on an 01 Ram frame."
The 2001 Dodge Ram is a big pickup truck that is known for being powerful and good for towing things. It's part of a series of trucks that have a tough look and many useful features.
The 2001 Dodge Ram is a full-size pickup truck known for its strong performance and towing capabilities. It was part of the third generation of the Ram series, which featured a more aggressive design and improved features.
P pump 24 valve
"Uh, originally it had a P pump 24 valve in it, pulled that, put a free dimension six seven in it and the truck is super fun."
A P pump is a special part that helps deliver fuel to a diesel engine. It's important for making sure the engine runs well and efficiently.
The P pump 24 valve is a type of fuel injection pump used in diesel engines, particularly in the Cummins 5.9L engines. It is known for its reliability and performance in delivering fuel efficiently to the engine.
Classic Instruments
"I'm trying to remember the name of the classic instruments gauges in it. And in the classic instruments, we've got it working with the alternator, the RPM gauge, the speedo, everything works like factory."
Classic Instruments makes special gauges that help show important information about how a car is running, like speed and engine RPM. They're often used in classic cars to keep them looking and working like new.
Classic Instruments is a company that specializes in manufacturing custom gauges for vehicles, allowing for accurate readings of speed, RPM, and other vital information. Their products are popular among car enthusiasts and restorers.
transmission cross member
"So as far as swapping, it goes, you'll have to build your own transmission cross member. You'll probably have to adjust or build your own engine mounts."
The transmission cross member is a part that holds the car's transmission in place. If you're changing or swapping the transmission, you might need to make or adjust this part to fit properly.
A transmission cross member is a structural component that supports the transmission in a vehicle. It helps to secure the transmission in place and maintain proper alignment with the engine and driveshaft.
engine mounts
"You'll probably have to adjust or build your own engine mounts. Um, and then obviously intercooler radiator."
Engine mounts are parts that hold the engine in place in your car. They help keep the engine steady and reduce vibrations while the car is running.
Engine mounts are components that secure the engine to the vehicle's chassis. They help to absorb vibrations and support the weight of the engine while allowing for some movement during operation.
Powerstroke
"They have a complete lineup of Cummins, Duramax and Powerstroke,"
Powerstroke engines are strong diesel engines made by Ford for their larger trucks. They're built to handle heavy towing and tough jobs.
Powerstroke is a brand of diesel engines produced by Ford, used in their Super Duty trucks. These engines are known for their high torque and towing capabilities.
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