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3D Printed Cars Classic Car Repairs and All Things Under The Hood

3D Printed Cars Classic Car Repairs and All Things Under The Hood

Under The Hood show Nov 05, 2025 56 min
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About this episode

Exploring the intersection of classic car repairs and cutting-edge technology, this episode dives into the challenges of restoring a 1970 Firebird and the potential of 3D printing in automotive manufacturing. Listeners hear from a caller grappling with fuel delivery issues in his classic car, prompting discussions on troubleshooting techniques and the importance of voltage checks. The hosts also discuss a revolutionary 3D printed supercar, the Zinger 21, highlighting how AI and 3D printing could reshape vehicle production. This episode balances practical advice with intriguing insights into the future of automotive design.

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Technical Too Afraid to Ask
Term

loading up

"...all of a sudden it started loading up And dumping a lot of gas into the system..."

'Loading up' means the engine is getting too much fuel, which can cause it to run poorly. It's like when you eat too much and feel sick; the engine can't work right if it has too much fuel.

Car

Pontiac Firebird

"...solutely. We got to know a little more about this firebird in general So you you keep going"

The Pontiac Firebird is a powerful car that was made in the U.S. for several decades, known for its cool looks and speed. It became very popular, especially for people who love fast cars.

Part

carburetor

"Okay, I rebuilt a little two barrel carburetor on it that didn't help so I had another one"

A carburetor is a part of an engine that helps mix air and fuel together so the engine can run properly. It's important for making sure the engine gets the right amount of fuel to work well.

Part

distributor with points

"Then I put the original distributor back on it the one with the points"

A distributor with points is an older part of the engine that helps create sparks to make it run. It uses simple mechanical parts that need regular checking to work well.

Concept

carbureted cars

"It's very hard to find someone that works in carburetors these days are carbureted cars"

Carbureted cars are older vehicles that use a part called a carburetor to mix fuel and air for the engine. Nowadays, most cars use a different system called fuel injection, which is more efficient.

Term

compression check

"...did a compression check while they were out and all cylinders are good. Turned it on and just like before it ran idle smoothly..."

A compression check is a way to see if your engine is working properly. It checks how much pressure is in each cylinder, which can tell you if there are problems inside the engine.

Part

fuel pump

"So I checked the pump because it wasn't getting gas. So okay. I said, all right. It's the fuel pump. Ordered a fuel pump. I went on vacation. I came home put the fuel pump on."

The fuel pump helps deliver gasoline from the tank to the engine. If it stops working, the car may not start or run properly.

Term

vacuum

"Okay, let's find out what the vacuum is make sure we've got enough vacuum to run that that engine What motor is it by the way?"

Vacuum in a car engine is the space where air pressure is lower than the outside air. It's important for the engine to work properly and mix fuel with air.

Car

Chevrolet 350

"350 okay, what year is it 70 70 1970"

The Chevrolet 350 is a type of engine that is commonly used in many cars and trucks. It's known for being powerful and reliable, especially in vehicles from the 1970s.

Term

dual exhaust

"And that's got you just got a dual exhaust on that right with just two mufflers Correct. Yep"

Dual exhaust means that the car has two pipes that let out the exhaust gases instead of just one. This can help the engine run better and make the car sound louder and sportier.

Term

muffler

"No, actually we ran it into one muffler into we wanted a I had an original muffler that dad had bought years ago. I mean this thing's that part for like 20 25 years"

A muffler is a part of the car that helps make the engine noise quieter. It works by controlling the sound of the exhaust gases that come out of the car.

Term

fuel pressure

"Yeah, I was running the normal range about what 20"

Fuel pressure is how hard the fuel is pushed through the engine. If it's too low or too high, the engine might not run well.

Car

Land Rover Range Rover

"...with Shannon's Range Rover..."

The Range Rover is a high-end SUV that can handle rough terrain while providing a comfortable ride. It's known for its luxury features and strong performance.

Term

voltage issue

"...it was a voltage issue. It wasn't getting enough voltage at that distributor in the coil..."

A voltage issue means there's a problem with the electrical power going to a part of the car. If a part doesn't get enough power, it might not work right, which can cause the car to run poorly.

Term

ignition switch

"...if you don't have enough voltage there because you have an ignition switch..."

The ignition switch is what you turn to start the car. If it's broken or worn out, it might not send enough power to the parts that help the car start, which can cause problems.

Term

ballast resistor

"...or a ballast resistor built into that wire, which I believe that one did with the points..."

A ballast resistor is a part that helps control the amount of electricity going to the ignition system. It makes sure the system doesn't get too much power, which can help prevent damage.

Term

400 engine

"...did not come with the 400 engine..."

A 400 engine is a bigger type of car engine that is 400 cubic inches in size. It's usually more powerful than smaller engines like the 350.

Term

350 engine

"...you could buy a standard 350 car with no spoiler on the back..."

A 350 engine is a type of car engine that is 350 cubic inches in size. It's often used in muscle cars and is known for being powerful.

Car

Lotus Esprit

"Did they make an esprit in 1970? And we had to think about it for a little bit."

The Lotus Esprit is a type of sports car that was made by a company called Lotus. It became famous for its unique design and appeared in movies.

Term

carbon fiber

"...and it is a completely well carbon or..."

Carbon fiber is a material that's very strong but also very light. It's often used in sports cars to help them go faster and use less fuel because it doesn't add much weight.

Term

3D printing

"...or 3d printed AI content generated vehicle..."

3D printing is a way to make objects by stacking layers of material, like plastic or metal, based on a computer design. It's used in cars to create parts that are lighter and can be made faster than traditional methods.

Term

BCM

"...they tried to do the bcm the..."

The BCM is like a computer in your car that helps control things like the lights and locks. If it's not working properly, it can cause various electrical issues.

Part

dual alternator

"...I had a dual alternator that he said that that was shot..."

A dual alternator means there are two parts in the car that make electricity. This is useful for cars that need a lot of power for things like lights and other electronics.

Car

Mercedes-Benz ML 320

"...working on that 99 Mercedes ml 320. Okay. It's almost identical uses the same brand of electronic components..."

The Mercedes-Benz ML320 is a luxury SUV from 1999. It's known for being comfortable and having good off-road abilities, making it a popular choice for families.

Car

Fiat X19

"...e. Oh, they never did bring me that car The fiat x19. Oh, it's sitting out on the hillside over here. ..."
Car

Delorean DMC-12

"...h tr 7 and I finally learned how to fix those the DeLorean They were awful and then came along the promeste..."

The DeLorean DMC-12 is a unique car from the 1980s that has shiny metal doors that open upwards. It's famous for being in the 'Back to the Future' movies, but it wasn't very reliable and had a lot of problems when it was made.

Car

Triumph TR7

"...the triumph tr 7 and I finally learned how to fix those the DeLorean..."

The Triumph TR7 is a sporty car made in the late 1970s and early 1980s. It has a unique triangular shape and was aimed at younger drivers.

Car

DeLorean

"...the DeLorean They were awful and then came along the promester..."

The DeLorean is a unique car from the early 1980s, famous for its shiny metal body and doors that open upwards. It became really popular because of a movie called 'Back to the Future.'

Car

Ram ProMaster

"...lock here as you've got it If you've got it at a promaster pro That's fixed a lot of these that's the best ..."

The Ram ProMaster is a big van that businesses use to transport goods or tools. It's designed to be easy to load and drive, making it a favorite for people who need a reliable work vehicle.

Part

catalytic converter

"...we were talking to somebody about the catalytic converter she had the problem with that so she couldn't use her remote start..."

The catalytic converter is a part of your car that helps clean up the exhaust gases before they leave the vehicle. It makes the car less polluting and helps it pass emissions tests.

Term

oil change

"As long as you keep the oil changed in these vehicles, I don't foresee that as a problem and I"

An oil change is when you replace the old oil in your car's engine with new oil. This helps keep the engine running smoothly and prevents damage.

Car

Honda

"On these Hondas and they're not having problems"

Honda is a car brand that makes many different models. They are known for making cars that last a long time and are easy to take care of.

Term

synthetic oil

"But it works, you know, it's a synthetic oil. It's factory 020 is what they call for and it's fine"

Synthetic oil is a special kind of oil for cars that helps the engine run better and last longer. It's made from man-made materials instead of just natural oil, which makes it work more effectively.

7 cars featured

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