163: ZF 8HP: The Automatic Everyone Wants?
Tuned In
163: ZF 8HP: The Automatic Everyone Wants? Tuned In · Jun 3, 2026
163: ZF 8HP: The Automatic Everyone Wants?

Annotations will appear as you listen

0:00
84:34
163: ZF 8HP: The Automatic Everyone Wants?
Term

ZF 8HP gearbox

The ZF 8HP is a modern eight-speed automatic transmission made by ZF. People like it for swaps because it can shift fast for an automatic, but it’s still practical to drive.

Company

TurboLamac USA

TurboLamac USA is mentioned as a company that provides the controller used to make an 8-speed automatic swap work. The controller helps the transmission shift correctly in your custom build.

Term

8HP gearbox swap

An “8HP gearbox swap” is when you install a ZF 8HP transmission into a car that didn’t originally have it. The hard part is getting it to shift and work correctly with the car’s systems.

Term

controller

Here, “controller” means the electronics that tell the transmission when and how to shift. Without it, the swapped gearbox may not work correctly or consistently.

Term

aftermarket dog engagement gearbox

A dog engagement gearbox is a type of transmission that can shift very quickly using clutches. It’s usually more “race-like” and can be less smooth than an automatic for normal driving.

Term

horsepower

Horsepower is how much power the engine makes. They’re saying the transmission doesn’t steal much of that power, so more of it reaches the wheels.

Term

factory ECU

The factory ECU is the original computer that came with the car to manage the engine. The TurboLamac controller can connect to it and still control the transmission properly.

Term

aftermarket standalone ECU

A standalone ECU is an aftermarket computer that controls the engine. The controller discussed here can be set up to work whether you’re using that aftermarket engine computer or the original factory one.

Term

torque modelling

Torque modelling is how the transmission controller figures out how much twisting force the engine is making. That estimate helps it shift at the right time and with the right clutch pressure.

Term

shift pressures

Shift pressures are the hydraulic pressures the automatic transmission applies to engage clutches and bands during a gear change. Getting the pressures right is essential for smooth, repeatable shifts and for protecting transmission components.

Term

shift strategy

Shift strategy is how the transmission decides the timing and style of gear changes. If the controller knows the engine’s torque well, it can choose a better shift plan.

BMW Series Bmw
Term

head gaskets

The head gasket is a critical seal inside the engine. If it fails, the engine can overheat or mix fluids, and repairs can be costly.

Term

Subaru symmetrical all-wheel drive

Subaru’s symmetrical all-wheel drive is their system for sending power to all four wheels in a balanced way. That balance can help the car feel more stable and grippy on slippery roads.

Term

naturally aspirated

Naturally aspirated means the engine doesn’t use a turbo or supercharger. It makes power by breathing air through the intake as the engine spins.

Term

drag racing

Drag racing is racing in a straight line to see who accelerates fastest. It’s also hard on the drivetrain, so launch grip and transmission strength matter a lot.

Mitsubishi Lancer Evolution
Car

Mitsubishi Lancer Evolution

The Mitsubishi Lancer Evolution is a fast compact car made by Mitsubishi. It’s known for having all-wheel drive, which helps it grip the road. The podcast is comparing different Evo generations and transmission setups for performance.

GC8 Subaru STi
Car

GC8 Subaru STi

The GC8 Subaru STi is a classic Impreza STi generation. In this discussion, the key point is that its five-speed transmission is known for being weak compared to what people want to do with it.

Term

five-speed gearbox

A five-speed gearbox is the manual transmission with five gears. The speaker is saying that this specific transmission doesn’t handle abuse or big power increases very well.

Term

air intake

An air intake is a part that helps the engine breathe by changing the path of incoming air. The speaker is saying that back then, the main tuning options were things like intakes.

Brand

AEM

AEM is a company that sells aftermarket performance parts for cars. In this segment, it’s mentioned as the sort of brand that started offering simple tuning upgrades like an air intake.

Term

Link ECU's

An ECU is the car’s computer for the engine. A “Link ECU” is an aftermarket engine computer that lets tuners change how the engine runs, instead of relying on the factory settings.

Term

stand-alones

A standalone engine computer is an aftermarket ECU that takes over engine control. It can be tuned more flexibly, but it’s harder to get right than using the factory computer.

Term

plug and play

“Plug and play” means you install something with little wiring or setup. For tuning, it often makes it easier, but it may not give you the same level of control as a proper tune.

Term

no knock sensors

Knock sensors are like an engine’s early-warning system for harmful pinging. Without them, the car can’t automatically pull timing to protect the engine if combustion gets too aggressive.

Term

flash it

To “flash” the ECU means to upload a new tune into the engine computer. If you do it without checking the results, you can accidentally make the engine run in a risky way.

Term

dinos

“Dinos” means dynos, machines that test a car’s engine under load. Tuners use them to see what power you’re making and to help dial in the tune.

Term

wideband FU ratio meters

This tool tells you how much fuel the engine is getting compared to the air. “Wideband” means it’s more precise, which helps you tune safely instead of guessing.

Term

tune

A “tune” is when someone updates the car’s computer settings. That can change how much fuel the engine uses and when it ignites, usually to make the car run better or support upgrades.

Term

fuel pump

The fuel pump is what sends gas from the tank to the engine. If it can’t deliver enough fuel (or the pressure isn’t right), the engine may not get the right air-fuel mix, which can be dangerous.

Term

plugs

“Plugs” are the spark plugs that ignite the fuel in the engine. If they’re worn out or the wrong type, the engine can misfire and the tune may not work as intended.

Concept

common misconception

They’re saying people often blame the tuner when an engine breaks. But the point is that the real cause is frequently something else—like bad fuel or problems with how fuel is getting to the engine.

Term

fuel pressure

Fuel pressure is how strongly the fuel system pushes gas to the engine. If it’s too low, the engine may run short on fuel, which can lead to problems—especially after a tune.

Term

sequential dog box

A sequential dog box is a motorsport-style gearbox that uses “dog” clutches and a sequential shift pattern (you move through gears in order). It’s built for fast, hard shifts and strong engagement, but it tends to be loud and less forgiving than street-focused gearboxes.

Term

straight cut gears

Straight cut gears are gears with teeth cut parallel to the gear’s axis, unlike helical gears. They can be stronger and efficient for racing applications, but they’re typically much louder, which is why the host calls out the noise.

Term

automatic gearbox conversions

This means putting an automatic transmission into a car that was originally built with a manual. It’s not just “bolt it in”—the car’s parts and computer systems have to match the automatic setup.

Term

slow shifts

“Slow shifts” means the transmission takes a noticeable moment to change gears. When it happens during acceleration, the car can feel less punchy and less in sync with your right foot.

8HP
Car

8HP

“8HP” is ZF’s eight-speed automatic transmission. The idea is that it shifts and works more efficiently than older automatics, so it can feel more responsive.

Company

ZF

ZF is a big German company that makes car parts, especially transmission technology. Here, the point is that they’ve been doing it for a long time, so their designs tend to be well engineered.

Term

Euro emission standards

Euro emission standards are rules in Europe that limit how much pollution cars can produce. They can force manufacturers to make cars (including transmissions) more efficient and cleaner.

Term

miles per gallon

Miles per gallon (MPG) tells you how efficiently a car uses fuel. Higher MPG means you go farther on the same amount of gas.

Term

drivetrain

The drivetrain is everything that sends power from the engine to the wheels. In this discussion, it includes the transmission and how efficiently it moves power along.

Term

billets

“Billets” are upgraded metal parts made from a solid piece of material. In transmissions, billet parts are often used to make components stronger so they can survive more power.

Term

stronger clutches and stronger plates

Inside an automatic, clutches and friction plates work together to transfer power when the transmission shifts. Upgrading them helps the transmission handle more force without slipping or burning.

Term

OEM application

“OEM application” means how the car manufacturer intended the transmission to be used from the factory. The host is saying it tends to last in normal use unless you push it too hard.

Term

torque converter slip

A torque converter uses fluid to transfer power, and sometimes the parts inside don’t rotate at exactly the same speed. That “slip” wastes some energy as heat, so the car can be less efficient.

Term

flex plate

A flex plate is a metal plate attached to the engine that the automatic transmission’s torque converter mounts to. It’s part of how the engine and transmission connect on many automatics.

Term

nine liters of fluid

Automatic transmissions need a lot of fluid to work correctly. Mentioning “almost nine liters” is basically saying it holds a big amount of transmission fluid, which can influence weight and how the system is packaged.

Term

eliminate torque converter

Some racing setups can remove the torque converter and instead route oil directly so the transmission still has what it needs to function. The goal is usually to reduce wasted energy and improve efficiency.

Term

clutch packs

Inside an automatic transmission, a clutch pack is a set of friction plates that can grab or release to control how power flows. Think of it like multiple “clutch switches” working inside the gearbox. In this case, some packs can also act like brakes inside the transmission.

Term

multi-disc wet clutch pack

This is a clutch made from multiple friction plates, and it works while bathed in transmission fluid. The fluid helps keep it cool and can make it handle repeated hard use better. The host says this design is part of why the gearbox can do things like burnouts.

Term

burnouts

A burnout is when you spin the tires on purpose to heat them up and break traction. The host mentions it to show that this transmission setup can handle hard, aggressive driving. It’s a common thing drifters and performance drivers try to do.

8HP70
Car

8HP70

The ZF 8HP70 is a modern eight-speed automatic transmission. Here it’s being used in a drift car, and the point is that it can be made to launch and behave in a more “clutch-like” way for aggressive driving. The host is using it as proof it can handle that kind of abuse.

Term

slip the converter

In an automatic, “slip” means the engine and transmission aren’t perfectly matched in speed. That helps smooth things out, but it can also create heat.

Term

drive by wire clutch

A drive-by-wire clutch means the clutch isn’t controlled by a direct mechanical connection. Instead, sensors and computers tell an actuator how much to engage the clutch.

Person

Lucas

Lucas is the person the hosts credit with the idea and with explaining it to ZF engineers. They describe him as a key contributor behind the concept.

Term

solenoid

A solenoid is an electrically controlled valve. In an automatic transmission, it helps route fluid to make the transmission engage different gears. The better the control of the solenoids, the smoother and more reliable the shifting.

Concept

eight-hp swap scene

An “8HP swap” refers to converting a car to use a ZF 8-speed automatic transmission (the “8HP” naming is common in enthusiast circles). The “swap scene” is the community and aftermarket ecosystem that develops wiring, control integration, and supporting hardware/software to make the transmission work in non-stock applications. The speaker says this community grew rapidly once the swap became more viable.

Term

reflashing

Reflashing means changing the software in your car’s computer. Tuners do it to make the car run and shift differently than it did from the factory.

Term

motorsport wiring

Motorsport wiring is the special wiring work done for race cars or serious builds. It’s about making sure sensors and engine electronics are connected correctly and reliably.

Term

WinOLS

WinOLS is a computer program tuners use to edit the car’s calibration data. It helps them change the settings that control how the engine behaves.

Term

CANBUS devices

CAN bus is the car’s internal messaging system—different computers in the car use it to communicate. CAN bus devices are tools that connect to that system to read data or help with integration for tuning or swaps.

Term

drive-by-wire throttle

Drive-by-wire means pressing the gas doesn’t move a cable mechanically. It sends electronic signals, and the computer controls the throttle.

Term

blips

In this context, blips are quick, controlled increases in engine speed (often via throttle/ECU command) to help the drivetrain transition smoothly during shifting. They’re commonly used to reduce driveline shock and improve shift feel, especially when coordinating with an automatic transmission controller.

Term

cuts

A cut is a short moment where the engine’s pull is reduced. Tuners use it to help the transmission shift more cleanly and quickly.

Mark V Supra
Car

Mark V Supra

The Mark V Supra is the newer Toyota Supra. The host is saying their transmission controller helps it perform better and shift more consistently.

Term

can communication

CAN communication is how different computer modules in a modern car exchange information. If you’re changing transmission control, you have to make sure the new controller sends and receives the right messages.

Term

Haltech World Cup finals

The Haltech World Cup finals is a racing event where teams compete using performance electronics. They mention it because a record was set there.

Term

transmission mount

A transmission mount is what holds the gearbox in place under the car. When you swap parts, you may need a custom mount so the transmission lines up properly and doesn’t shake.

Term

tail shaft

A tail shaft is part of the driveshaft that carries power from the transmission toward the rear differential or final drive. Swaps often need the right length so everything lines up.

Company

Turbulamic

Turbulamic is mentioned as the company providing a solution for transmission swaps. The idea is to fix the electronics so the gearbox can still operate after you change engines or computers.

Term

torque limiters

Torque limiters are built-in “don’t exceed this power” rules. They help keep the gearbox and drivetrain from being overloaded.

Term

ZF intellectual property

The speaker is talking about ZF’s proprietary software. Their point is that they don’t change or copy ZF’s code, unlike some other approaches.

Term

Ken Gateways

A gateway is a device that helps different car computers “talk” to each other. Here it’s described as a common approach competitors use when doing transmission/ECU swaps.

Term

Mechatronics unit

The mechatronics unit is the transmission’s “brains and valves” in one package. It helps the car decide when to shift and physically directs fluid to make the gears change.

Term

transbreak

A transbreak is a racing mode that keeps the car from moving while the engine revs up for launch. When you release it, the car can launch quickly and consistently.

Term

adaptations

Adaptations are learned calibration values the transmission uses to compensate for wear and changing conditions. They help the controller match commanded clutch/valve behavior to what the transmission actually does over time.

Term

CAN modules

CAN modules are parts of the car that communicate over a shared network. They let the transmission talk to other computers like the engine ECU.

Term

CAN gateway

A CAN gateway is a device that helps the car’s computers share information. In tuning, it can be used to tweak what one computer sends to another without taking over everything.

Term

piggyback

Here, “piggyback” means a small add-on that works alongside the factory transmission computer. Instead of taking over completely, it usually just tweaks or intercepts certain signals.

Term

oil pan

The oil pan is the reservoir at the bottom of the transmission that holds transmission fluid. Accessing it is often required for internal work like removing the mechatronics unit or servicing valve/solenoid components.

Term

potting it with the epoxy

Potting means filling an electronics box with a special hard resin (epoxy). It helps protect the electronics from water and bumps so they don’t fail.

Term

Motec

Motec is a brand of aftermarket car computer used for tuning. People use it to control and adjust how the engine runs.

Term

CAN data

CAN data is how different computers in the car communicate with each other. Instead of each module working alone, they send messages over a shared network.

Term

RPM

RPM tells you how fast the engine is spinning. The transmission control uses it to time shifts and match engine output to what the gearbox needs.

Term

map sensor

A MAP sensor measures how much air pressure is in the engine’s intake. That helps the car estimate how hard the engine is working so it can manage torque and shifting.

Term

TPS

TPS means the throttle position sensor. It tells the car how much you’re asking for with the gas pedal, so the ECU can estimate torque and help the transmission shift smoothly.

BMW M3
Car

BMW M3

The BMW M3 is a performance BMW that many people tune. Here it’s mentioned as an example of a car where the factory engine computer (DME) only reports torque accurately up to certain limits.

Term

DME

DME is BMW’s engine computer. It controls things like fuel and timing, and it can also show numbers like torque—but those numbers may be influenced by the car’s safety/protection strategies.

Term

throttle position

Throttle position tells the computer how open the throttle is. More open throttle usually means more air and fuel, so it’s used to estimate how much torque the engine is making.

Term

manifold absolute pressure

Manifold absolute pressure is a sensor reading of how much pressure the engine is pulling in through the intake. Higher pressure generally means the engine is under more load, which helps the ECU estimate torque.

Term

internal torque model

An internal torque model is the tuning software’s way of guessing how much torque the engine is making. If that estimate is wrong, a torque limiter can behave poorly.

Term

torque tables

Torque tables are calibration maps inside the ECU/software that define how much torque the system expects or targets at different operating conditions. Tuning them helps align the software’s torque model with what the engine is actually producing.

Term

cam communication

Cam communication is the car computer getting correct timing information from the camshaft sensors. If that signal is wrong or missing, the car can throw error codes and run poorly.

Term

torque settings

Torque settings are the tune’s “target” for how much pulling force the car should make. If they’re wrong, the car can feel off and the readings the tuner relies on may not match reality.

Term

OEM reflashes

An OEM reflash means rewriting the car’s factory computer software. It can be easier than using a separate aftermarket controller because you’re starting from the original setup.

Term

clutch pressure

Clutch pressure is how hard the transmission squeezes its internal clutches using fluid pressure. Changing that pressure changes how quickly and smoothly the transmission shifts.

Term

flares

A flare is when the engine momentarily revs up during a shift before the transmission fully locks into the next gear. It can make shifts feel delayed or a bit jerky.

Term

shift quality

Shift quality is how “nice” the gear change feels—smooth, timely, and not jerky. The transmission keeps checking how the shift went and tweaks its settings to improve it.

Term

oil temperature

Oil temperature matters because the transmission fluid changes thickness when it’s cold versus hot. The transmission adjusts its shifting to account for that so it behaves consistently.

0:00
84:34