Engine Archives - Page 8 of 209 - UnderhoodService
Oil Clearances and Options for LS Engines

Oil clearances will not always be the same for each application.

7 Reasons Direct-Injection High-Pressure Fuel Pumps Fail

High-pressure fuel pumps can malfunction and/or fail due to a number of factors.

Proper Procedures To Maximize Fastener Life

The right fasteners, installed the right way, can enhance the quality of any build.

Chasing The Perfect Combustion Event

The perfect internal combustion engine would put the exact amount of fuel and air into the combustion chamber.

Engine Build: Toyota Supra B58 Inline 6-Cylinder Engine

Boasting 335 hp from the factory, find out how Stephan Papadakis tripled the power output!

Diagnosing Crankshaft Position Sensors

Modern engines need to not only know the position of the crankshaft, but the position of the camshafts.

Gapping Spark Plugs

For modern fine-wire spark plugs, you should not measure the gap unless instructed by the manufacturer.

Engine Build: Roots Blown 540 cid Big Block Chevy Engine

Check out this Roots blown 540 cid big block Chevy Hilltoppers Speed Shop recently built for a street rod.

Be Careful When Replacing That Diesel Air Filter

Diesel engines have a certain level of differential pressure that needs to be maintained.

The Spin On Spun Bearings

A spun bearing is usually the end result of a chain of unfortunate events.

Turbo Tech: Smaller Engines Offer Diagnostic Opportunities

Many vehicle owners may not even know if their car or truck is turbocharged.

EV Conversions For Classic Cars

Folks like Elon Musk of Tesla are betting big on EVs, and so are the major car manufacturers like VW, Volvo, GM and Ford.