Underhood Automotive
Engine Build: 416 cid Twin-Turbo LT1 Engine

Find out how much horsepower this 416 cid twin-turbo LT1 engine for a 2016 Camaro SS cranks out!

Master Cylinders Need Periodic Inspections

Dual master cylinders are configured to operate two separate braking systems.

Tech Tip: A/C Service With The R-1234yf Refrigerant

Vehicles with R-1234yf have different service fittings to prevent cross-contamination with different refrigerants.

Engine Build: 349 cid Small Block Ford Engine

The engine took four years to complete, the build was worth the wait. Find out what went into it!

Toyota Tech Tip: Odors In The A/C System

Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors.

Rebuilding Ford’s 5.0L Coyote

One obstacle that Ford faced when producing the engine was to make more power and efficiency than the 4.6L did.

Update On Oil Pumps And Pans

So how do you combat oiling issues such as cavitation and oil starvation? Oil management is the key.

Engine Build: 582 cid Big Block Chevy

The 1999 Trans Am’s LS was replaced with this new 582 cid big block Chevy. Find out what went into the build!

Engine Build: Turbocharged 6.0L Powerstroke

Benito Diaz and his shop, STP Diesel, specialize in Ford Powerstroke work.

Engine Build: Jesse James’ 427 cid Ultra4 LS Engine

This 427 cid Ultra4 LS engine was built for the owner of West Coast Choppers.

Audi Stop/Start Systems

Audi first equipped some models with stop/start systems as a standard feature in 2013.

Audi Wire Harness X-Ray

The 2018 Audi A8 is a mild-hybrid technology vehicle, with a belt alternator starter (BAS) and a lithium-ion battery.