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Test your knowledge about the different parts found on a Top Fuel dragster and nitro Funny Car!

Can You Name That Part?

The head stud holds the cylinder head and rocker assembly in place.

Head Stud

What is this part called?

The rocker stand holds the rocker shafts in place and attaches the rocker assembly to the cylinder head.

Rocker Stand

What is this?

The EGT probe tells how hot the exhaust gases coming out of each cylinder are. There are 8 of these on the car in the headers, one for each cylinder.

EGT Probe

What's the name of this part?

The flow meter tells how many gallons per minute (GPM) are going through the fuel line, going to the engine, or returning. There are two flow meters for fuel and one for the clutch for the cannon return.

Flow Meter

What is this called?

The rod cap bearing pin holds the bearing in place on the cap side of the rod.

Rod Cap Bearing Pin

The front cover covers the front of the engine, prevents oil from coming out of the front, and retains the cam gear assembly.

Front Cover

What is this part's name?

The floater shears the friction material (known as clutch dust) and provides a flat friction surface for the clutch disc. The floater turns at engine speed and can have anywhere from 1-8 grooves on it that the friction material travels through to be expelled.

Floater

The motor plate is between the engine and bellhousing and attaches both the engine and bellhousing to the chassis. The spacer goes between the bellhousing and the motor plate to provide enough room for the clutch assembly.

Motor Plate and Spacer for Bellhousing

What is this part?

The rod bolt washer keeps the bolt head from grinding on the rod cap during torquing procedure and allows for more accurate torque specs.

Rod Bolt Washer

What's this called?

The exhaust valve opens to let the exhaust gases out of the combustion chamber.

Exhaust Valve

The master cylinder for the brakes creates brake pressure when the brake handle is pulled. The first picture shows the master cylinder in a Funny Car, the second picture shows one in a Top Fuel car.

Master Cylinder for Brakes

What is the name of this part?

With so many parts on these cars, it takes a while to learn what they all are! Come out to an NHRA event and ask the crewmembers questions to expand your knowledge about these nitro-powered cars!

Novice Crewmember

You know a lot, but there's always more to learn! Keep asking questions and keep learning if you want to become a crew chief someday!

Veteran Crewmember

You seem to know your stuff when it comes to nitro-powered racecars! But remember, you can always learn something new because they're constantly changing!

Crew Chief

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Can You Name That Part?

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