Underhood Automotive
No Go? Battery and Starter Diagnostics

What seems like a problem with one could be an issue with the other.

1:3 Scale Cosworth DFV V8 Engine

Why would you want to build a fully working 1:3 scale Cosworth DFV engine? Marcel Bouland asks, ‘why not?’

No Replacement For Displacement? Mercedes Might Disagree

There are rumors that the M177 may be the last of the V8s for the company – up next, the V6 and V8 Biturbo engines.

ATV And UTV Engine Opportunities

Small but mighty, these powerhouses
offer great introduction to engine rebuilding experiences.

Bring The Heat Or Keep Your Cool – Engine Thermal Management

Vehicle manufacturers work to maximize cooling system efficiency to manage temperature while using less engine power.

Five Spark Plug Service And Replacement Tips

You’ve probably heard that you should use a torque wrench, but do you know why?

Clean Oil Is Critical To Timing Chain Systems – Here’s Why

Using the wrong oil is a common problem that causes a vehicle’s timing chain to wear even quicker.

Repairing Toyota 2GR-FE V6 Oil Leaks

Toyota continues to use this engine in various applications with minor updates to the design to this day.

Engine Tech: Understanding Valve Seats & Guides

A significant percentage of valve seat failures are due to wrong parts or incorrect valvetrain geometry.

A/C Service Equipment: We’ve Got It Good These Days

The world of A/C service has changed over the years. New tools and equipment make the job easier than ever.

Abrasive Personalities – Grinding and Refacing Stones

Why are there so many grinding stones? Because each has different characteristics and uses.

Sealing Cylinder Heads With Wire, Not Just Gaskets

Some performance engine builders use wire hoops and receiver grooves to seal their heads and blocks. Here’s why.