Q&A

The designers of late model engines like the GM LS, Ford Modular engine, and the Chrysler Gen III Hemi have in many ways made it easy for performance enthusiasts. Not […]

Q: What is rod ratio? … A: Rod ratio is the relationship between the Connecting Rod Length and the Stroke Length of the crankshaft. How is it calculated? Use the following formula to calculate rod […]

Q: I have a 1994 Ford F-150 with a 5.0L engine and factory mass airflow sensor. I just had the heads redone and installed a Trick Flow Stage 1 camshaft. […]

Q: Can I remove the fan shroud on my cooling fan? … A: It might seem like it’s just in the way, but the fan shroud plays an important role in the […]

I recently stripped down my 350 small-block Chevy because of loss of compression over the last three years. In 5,000 miles and three different checks of the cranking compression, it […]

I have a 1970 Nova SS with a 11.5:1 compression, 355 cubic-inch small block. It has Sportsman II heads, a COMP Cams hydraulic camshaft (292 degrees advertised duration, .507 inches […]

Q: Is a plastic or metal intake tube better? … A: Air intake kits are a popular performance upgrade. They are affordable, easy to install, and provide noticeable gains over a […]

Q: What is a double-pass radiator? … A: In a single-pass radiator, coolant only crosses the radiator core one time. Single-pass radiators work well in most street applications. For stock […]

Cooling Basics – Row Quantity vs. Tube Size In the radiator core, coolant flows through tubes. The tubes are joined together by the fins. More heat can be exchanged when […]

I have an 1984 Corvette 350 that’s a real dog. What is the best way to get more out of it? I’d like to get 300 horsepower or more. — […]