1. Holley Carb Tuning Tips

Resident carb whisperer Steve Brule walks through all the tips and tricks you ne... More

2. Slant-Six Manifold Shootout!!

Steve Dulcich puts four aftermarket intake manifolds to the test to see which gi... More

3. Rectangle vs. Cathedral Ports for LS Power!!

The guys see how the rectangular ports found on the LS3 compare to dime-a-dozen ... More

4. The Battle of the Gen III Hemis!!

We're battling two iterations of the 5.7 III Hemi, the '03-08 vs. the '09-curren... More

5. SBF Intake Shootout!

In this Windsor shootout, offerings from Edelbrock, Trick Flow, Ford Racing, AFR... More

6. Solid Lifter Cam Comparo - Roller vs. Flat Tappet!

In an age-old battle of power and price, the guys debate it's worth the extra mo... More

7. Manifolds or Headers for Your Turbo LS?

We run our 630-hp LS with factory exhaust manifolds and again with turbo headers... More

8. Does Fuel Temperature Matter??

The guys go one step beyond icing down the manifold, deliberately heating and co... More

9. Measuring the Max Wedge for a Street 440

We test a 270cc Trick Flow unit to see if the Max Wedge style, with its bigger i... More

10. Do Header Wraps Work?

We find out if header wraps really do create more power as we test painted, cera... More

11. Which Ram? All the Rams?!

The guys line up a bunch of Holley's "Ram" intakes one-by-one on their 6.2-liter... More

12. Manifold Shootout for the Carbureted LS Crowd

For folks out there running a carburetor on the new-fangled LS, we sandwich six ... More

13. Exhaust Cutouts

Proponents claim that exhaust cutouts make cars faster, so the guys see how they... More

14. Every Trick in the Book

The crew uses all the tricks they've learned over the years to super-tune every ... More

15. Low Buck SBC Head Shootout

The guys bolt three of the lowest-buck cylinder heads out there to their Ultimat... More

16. Pick-a-Carb Shootout

This test is all about choosing the features you want and need on a carburetor, ... More

17. Single Pattern vs. Split Pattern Cams

Some of the guys previous findings on single V-split pattern cams have been chal... More

18. Oil Pumps for Power?!

The guys test three LS oil pumps in different volume and pressure configurations... More

19. Quest for F-Rod Greatness

The guys strap the 800-horsepower 572 from Freiburger's F-Rod to the dyno, then ... More

20. Six Pack Shootout!!

The guys shoot out three six pack designs to find out which is gimmick, which is... More

21. The Magic of the Flex Fuel Sensor

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

22. The Leaker Episode

Do boost leaks really even matter? Can vacuum leaks make more power? Come be sur... More

23. Wet vs. Dry Nitrous

The guys test out wet and dry nitrous systems on an EFI manifold to see how they... More

24. Carb v. EFI: The Multipoint Edition

Multipoint EFI gets its turn against the venerable Dominator. It's injectors ver... More

25. Blown v. NA - Two Ways to 1,000 hp

The crew tests out two ways to get staggering numbers, a supercharger on a mediu... More

26. Tunnel Ram Battle: Single v. Dual Quad

In a quest for tunnel-ram greatness, the crew sees how running a single four-bar... More