Q&A

Q&A

Mailbag: The Difference Between Flat Tappet and Roller Camshafts

Q: What is the difference between a flat tappet and a roller camshaft? … A: Camshafts are classified by the type of lifter they use. The lobes on the cam […]

Q&A

Ask Away! with Jeff Smith: Comparing Pedal Effort with Hydraulic vs. Mechanical Clutch Systems

Does a hydraulic system make the clutch pedal effort easier than a mechanical linkage? A friend of mine says the effort will be the same because all the force is […]

Q&A

Mailbag: Key Differences Between Internal & External Engine Balance

Q: What’s the difference between internal and external engine balance? … A: An engine must be balanced to ensure smooth operation. Balancing an engine minimizes vibration which maximizes engine life. […]

Q&A

Ask Away! with Jeff Smith: Pro Tips for Mating a 2002 Chevy Trans to a 1999 Engine

Will a 2002 Chevy transmission work behind a ‘99 Chevy motor? Is wiring or computer an issue? I work at a junkyard and the interchange says one year only. This […]

Q&A

Mailbag: What is Valve Spring Coil Bind?

Q: What is valve spring coil bind? … A: Coil bind happens when the valve spring is fully compressed. The coils of the spring contact each other. This stops the […]

Q&A

Ask Away! with Jeff Smith: Adding Power to a Ski Boat SBC—EFI or Carburetor?

I’ve got a direct-drive ski boat with a worn out 350 c.i.d. small-block Chevy. I’m thinking about building a new engine with modest goals. It’s a family boat, but I […]

Q&A

Mailbag: What Does an Oil Restrictor Do?

Q: What is an oil restrictor? … A: An oil restrictor installs in the oil passages of the engine block. It limits the flow of oil to certain parts of […]

Q&A

Mailbag: Identifying the Manual Transmission in the 2001 Ford Mustang

Q: How do I tell the difference between a Tremec 3650 and a T-5 transmission in my Mustang? … A: In 2001, Ford used two different manual transmissions in that […]

Q&A

Mailbag: Breaking in Ceramic Coated Headers

Q: How do I break in my new headers? … A: Most ceramic coated headers will come partially cured. The following break-in procedure will help to fully cure the coating. […]

Q&A

Mailbag: A Quick Guide to Torque-to-Yield Fasteners

Q: What is a TTY bolt? … A: Torque to Yield (TTY) fasteners are used in many modern engines. When torqued properly, they provide better clamping force than standard fasteners. […]