Help! My New Power Steering Pump Is Still Noisy!
Replacing a power steering pump may not always solve the problem. Here’s what else to inspect.
Induction System Science: Understanding Airspeed & Airflow
Champion cylinder head porters use math, aerodynamics, thermodynamics and physics to maximize airflow.
With Turbochargers, Maintenance Matters
Turbocharged engines need high-quality oils and attention to maintenance intervals.
Smoothness 101 – Getting The Perfect Crankshaft Balance
Crank balancing today is a little art and a lot of science. Doing it right takes time but pays dividends.
Determining The Correct Surface Finish
For an ultra-smooth surface finish, know the metallurgy of the castings and the head gasket.
How And Why Dry Sleeving Of Cylinders Works
Cylinder liners or sleeves continue to be the saving grace for new aluminum and vintage iron blocks.
Lazy Cylinder Heads Get Air Flow Boost With Porting
Head porting expert helps bring engines to the highest level of efficiency.
Check the Label Before Replacing A/C Refrigerant
Never attempt to service a car’s air conditioning system without first checking the SAE J639 sticker.
Getting The Longest Life From Serpentine Belts
The serpentine drive belt system is actually made up of a set of sub-systems, designed to work in concert with one another.
Building Better Heads for H-D Big Twin Engines
The Harley-Davidson cylinder head aftermarket ranges from mildly modified stock castings to all-out racing billets.
Rotating Assembly Kits Can Save Money, Improve Power
A pre-balanced rotating assembly can eliminate the need for you to do all the specification homework yourself.
Cylinder Head Porting: Turning Air Into Power
When porting a cylinder head, pay attention to areas that pass the most air at the highest speed.
