Engine Masters

Carb whisperer Steve Brule has tips to get a Holley 4150 running its best.

The guys test which type of cylinder head delivers more power.

We're battling the two most recent iterations of the 5.7 III Hemi.

The Windsor family finally gets its turn at an intake shootout!

The guys debate if a solid roller camshaft is worth the extra money.

We run our LS with factory exhaust manifolds and again with turbo headers.

The guys deliberately heat and cool fuel to see the difference it makes.

The guys find out if Max Wedge heads are really a worthwhile upgrade.

We find out whether header wraps really do create more power.

We test six manifolds with our old-school carb and our new-school 6.0 LS.

The guys see if exhaust cutouts do more than rattle passersby's eardrums.

The crew super-tunes every HP out of the 410 Windsor from the Disgustang.

The guys test out three low-buck cylinder heads on a 383 small-block Chevy.

The guys test how different carb features affect horsepower and tunability.

The guys challenge their previous findings testing single-pattern cams.

The guys see if too much oil pressure robs precious horsepower.

The guys try to boost an 800-horspower 572 up to a comfortable 950+.

The guys shoot out six packs on a 440 to see which makes the most power.

The guys figure out how to make more power with a flex fuel engine.

The guys see whether boost and vacuum leaks actually affect power.

The guys see how wet and dry nitrous systems stack up on an EFI manifold.

Multipoint EFI gets its turn against the venerable Dominator.

A supercharged medium-sized mill takes on a naturally aspirated big block.

The crew pits a four-barrel carb against dual quads on the tunnel ram.