Auto parts testing and engine-to-engine shootouts.
Dyno proven: 50 hp with one bolt-on!
Carburetor vs efi shootout!
383 chevy vs. 383 mopar!
Exhaust header bash! testing power loss from dents
Hellcat power with a 5.7 hemi
Are cnc-ported cylinder heads worth the money?
Holley vs. edelbrock, tri-power vs. dual-quad!
Battle of budget boost! centrifugal vs. roots, paxton vs. weiand
The power of 2.5- vs. 3-inch exhaust
600hp camshaft shootout! hydraulic vs. solid.
Stroker shootout! ford vs. mopar 408s
Pick the right exhaust headers!
How much nitrous can a stock engine take?
Junkyard jewel power bolt-ons!
Power test: cast manifolds vs. headers
Roller vs. flat-tappet cams!
Cheap vs. expensive mufflers!
Stock vs. stroked horsepower test!
Camshaft specs explained
Cooling fan shoot-out
Diy cylinder head porting gains 92 horsepower!
Straight exhaust vs. h-pipe vs. x-pipe!
Engine masters meets the roadkill rotson turbo 5.0!
Best cheap chevy 350 mods—dyno-proven!
Supercharger tuning and proven performance
How much boost can a stock engine take?
Air filter horsepower shootout!
Cylinder head games–how big is too big?
Do roller rocker arms add horsepower?
Gas vs. e85: power and pros & cons
Chevy 350 vs. ford 351!
How oil kills power!
Intakes for torque vs. horsepower
Turbo ls the right way!
If accessories could kill
598ci of torque vs. horsepower!
1,500hp junkyard short-block!
What’s the best intake for nitrous oxide?
Efi vs. carbs redux!!
200-mph horsepower!
Stock vs. built vs. boost vs. both
Sbc dual-plane shootout
Heat kills power—the how and why
Carb size matters
Hot in, cool out—intercooler vs. water/methanol injection for turbos
Pressure testing the “blower manifold” debate
Tuning in the tune-up
Hydraulic vs. solid lifters: the redux!
$40 muffler shootout
Battle of the budget fuel pumps
You're gonna need a bigger plenum...
Big-inch, big-power, big-block manifold shootout
The 440 you can afford
Rod ratio examined
Cheap carb showdown
Pantastic news!
Iron vs. aluminum heads: a study of heat
Advances in cam timing
Free valvetrain tuning for more power!
Single vs. dual exhaust
Carb spacers: gimmick or gold?
The mystery of the great 4/7 swap
Windsor manifold showdown
1,500 hp, the blown and squeezed bbc way!!
Engine personality test: camshaft lsa explained
The turbo moho 4-4-0
Welcome to a day at the dyno!
Throwing sparks: the great ignition debate
Tuning the tubes: why header collector length matters
One thousand horsepower. naturally aspirated. period.
Zoomies!! a novelty header shootout!
Less weight to rotate!! diet testing the rotating mass
Headers for boost!!
Tunnel ram vs. cross ram! the old school dual quad shootout
1,000 hp muffler showdown!!
Small-block vs. big-block. how do you want your 500 hp?!
Dulcich's quest for slant 6 greatness!
The great blower cam debate
Engine masters go to school on the gen iii hemi
Do cylinder heads matter under boost?
Does octane make power?
The blow-through battle: carb v. tbi
Mandrel- v. crunch-bent exhaust
Oil filter shootout
Carb hats for blowers
Roots blower testing!
Is intake manifold port matching worth it?
Dyno testing for real life!
4150 v. 4500 - the battle of the holley carbs
Does compression make power?
Mopar muscle showdown!
Screaming 8k rpm!!
It's the oil pump pump-off!!
Exhaust for turbos - the dos and dont's
The wedge head shootout!!
Hilborn stacks!
Choosing fuel: which barrel is right for you?
Water-meth injection: is it cooler than the intercooler??
Cold air considerations
Nitrous for noobs - the 150 shot walkthrough
The split duration decision
5.9 magnum intake shootout
The piston pin offset flip -- is it a flop?
General mayhem 440 returns
A crash course in valve float
Holley carb tuning tips
Slant-six manifold shootout!!
Rectangle vs. cathedral ports for ls power!!
The battle of the gen iii hemis!!
Sbf intake shootout!
Solid lifter cam comparo - roller v flat tappet!
Manifolds or headers for your turbo ls?
Does fuel temperature matter??
Measuring the max wedge for a street 440
Do header wraps work?
Which ram? all the rams?!
Manifold shootout for the carbureted ls crowd
Exhaust cutouts
Every trick in the book
Low buck sbc head shootout
Pick-a-carb shootout
Single pattern vs. split pattern cams
Oil pumps for power?!
Quest for f-rod greatness
Six pack shootout!!
The magic of the flex fuel sensor
The leaker episode
Wet vs. dry nitrous
Carb v. efi: the multipoint edition
Blown v. na - two ways to 1,000 hp
Tunnel ram battle: single v. dual quad
Air-to-air intercooler, now with co2!!
High vs. low injectors
Tank testing for air-to-water intercoolers
The throttle-body throwdown!
Bellmouth power
Sequential vs. batch fire efi
One cam, three ways
Straight talk about spark plugs
Exhaust tech: header primary length
Cams: how small is too small?
When headers don't matter
Big-block chevy dual plane shootout!
The weight of oil
Keep your fuel cool!!
The surprising findings of the air filter shootout
Proper pushrods & sufficient springs
The nitrous plate debate
Bbf intake manifold comparison
Heat management
A study in o2 sensors and afr readings
Controlling the hit
Big cfm shootout
Sniper 2 the rescue
Port v plate nitrous injection
The exhaust duration equation
Header science: step vs. merge
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