engine Archives - Page 6 of 14 - UnderhoodService
Rebuilding Ford’s 5.0L Coyote Engine

While every engine has some weaknesses, the Coyote only has a few.

Engine Build: Twin Turbo 370 cid LS Engine

Find out what went into this twin turbo 370 cid LS engine build.

Engine Leak Diagnosis On BMW Turbo V8 Engines

Use a borescope to identify if the source of the leak is from under the turbochargers.

Engine Build: Turbocharged Gen V 454 cid Big Block Chevy

Joshua Gomez hot rodded this 454 cid Gen V big block Chevy to the tune of 1,800 horsepower.

Elgin Industries Offers Expanded Range For Ford 6.7L Engines

New Elgin parts are available immediately for engines commonly found in F-250, F-350, F-450 and F-550 Super Duty trucks.

Pulse-Width Fuel Pump Diagnostics

Modern pumps do not vary the voltage to the pump; rather, they pulse the power to the pump.

Diagnosing Secondary Ignition Problems

Kilovolt demand can vary widely according to air/fuel ratio, running compression and spark timing.

VIDEO: Should You Use Anti-Seize On Spark Plugs?

Anti-seize can alter the tightening torque up to 20%, increasing the risk of breakage. This video is sponsored by Autolite.

HONDA: Engine Shuts Off, Power Mode Remains In ON Or ACCESSORY

To find and fix this problem, connect a scan tool and go to the ONE-PUSH START/PCU Data List.

Elgin Expands Parts Offering For GM LS Gen V Engines

Elgin has added more than 20 original equipment-quality parts to its offering for General Motors LS Gen V engines.

GM Engine Noises During Cold Start, Warm Engine Operation

The new Small Block Generation 5 engine family incorporates a new fuel system technology known as direct injection (DI).

Engine Compression Testing

Read this article to find out how to reduce rotating friction and increase running compression.