Engine Masters

The crew tests long vs. short rods on otherwise identical engines.

The guys find out which cheap carb produces the most expensive results.

The guys flip things upside down to see how an oil pan can affect power.

The guys try to find out whether iron or aluminum heads deliver more power.

The crew explores how changes to cam timing affect performance and power.

The guys experiment with lash adjustments in an effort unleash more power.

The guys test whether a dual or a single exhaust system has more power.

The guys answer the question of whether a carb spacer produces more power.

The guys do a 4/7 swap on a big 572 to see if there's more power to be had.

The guys compare four of the most popular intake manifolds on the market.

The guys test the difference in power between gas and e85 on a 555 BBC.

The guys dive into the lobe separation angle of the camshaft.

The guys explore the gains to be found for a sickly, low-compression 440.

The guys go through the basics of bringing a motor to the dyno cell.

The crew asks whether it's worth it to upgrade an ignition system.

The guys explore how header collector length affects power output.

The guys follow Freiburger's personal quest for 1,000 NA horsepower.

The crew investigates just how much power gets sacrificed to look cool.

The guys see if lightweight rotating assembly parts help make more power.

The guys test three sets of headers on a power-boosted motor.

The guys test whether tunnel-ram or cross-ram setups make more power.

The guys break down two very different engines that make similar numbers.

Steve Dulcich puts his Leaning Tower of Power to the test.

The guys test blower cams with their new 363ci small-block Ford.

After years of dismissal, the guys give the Gen III Hemi a fair shake.