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More Motor and More Blower

Blowers, cams, and big blocks, oh my!

Words and Photos: Richard Holdener There is a very famous saying among performance enthusiasts that goes something like this: No matter how much power you give someone, they will always want more! This is especially true of racers, but even applies to hardcore street guys. The problem is that once we have sampled what feels like all the power we ... Read More »

Street Stroker 351W Gets a COMP XFI Cam

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Words and Photos: Richard Holdener When it comes to coaxing more power from your combination, there are a number of different avenues. Bolt-ons are a time-honored tradition, as bolting on the right set of heads, cam, and/or intake can yield substantial results. Of course, there is always boost, and everyone knows that all motors, including our Ford stroker, work well ... Read More »

Displacement vs Back Pressure

After installation of the turbo system on the larger 6.2L, the modified LS3 produced 807 HP and 747 lb-ft of torque. The peak boost pressure on the 6.2L was 6.9 psi, with a peak back pressure reading of 13.8 psi. Bigger motor equals more power equals more back pressure!

Words and Photos: Richard Holdener Unless you have been hiding under a rock for the last decade or two, the hottest thing going right now is the LS engine family. It is hard to believe that it was even possible to replace the original, and wildly successful, Small Block Chevy. After all, the original mouse motor was successful in just ... Read More »

Ford 306 Cam Swap

LEAD

Words And Photos: Richard Holdener Nostalgia is a funny thing. Case in point, the original muscle cars. Naturally, we fondly remember the hot muscle motors of the original muscle car era, but truth be told, are these memories tainted or otherwise artificially enhanced by nostalgia? As powerful as the original Mustang, Camaro, and Challenger motors were, the new ones are even ... Read More »

FAST vs Dorman Intake Test

Equipped with the FAST LSXRT intake and Big Mouth throttle body, the 5.3L produced 479.2 HP at 6,800 RPM and 421.6 lb-ft of torque at 4,900 RPM.

Words and Photos: Richard Holdener The internet is great for a number of things, not the least of which is spreading rumors. The information superhighway is certainly king when it comes to getting info out to a vast audience, but therein lies the problem. As efficient as it is at getting info to millions of people almost instantly, it is somewhat ... Read More »

ZEX to the Max

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Words and Photos By: Richard Holdener Generally speaking, when we run nitrous testing, we take a good motor and add 100-150 HP using a plate or single fogger nozzle. Nitrous oxide is an impressive power adder, offering an unmatched combination of power and pricing. Nothing you buy can increases the power output of your motor (any motor) by 100, 150, ... Read More »

Fast Under Boost: LS Intake Test Part 2

Run with the FAST, the normally aspirated 5.3L also produced 486 HP, but at 6,800 RPM. Torque production was up with the FAST intake, to a peak of 425 lb-ft at 5,000 RPM.

Words & Photos By: Richard Holdener Back in Part 1, we compared a couple of popular intake manifolds on a normally aspirated 5.3L. The FAST LSXR and LSXRT have long been the go-to intake of choice for performance LS applications, but with so many new intakes available, we wanted to see if the FAST design was still a player. More ... Read More »

Fast as Ever: LS Intake Test Part 1

With so many intakes now available for LS applications, is a FAST intake still the hot set up?

Words & Photos By: Richard Holdener For some time now, the LS engine family has been the proverbial hot button of the automotive industry. The LS took the reins from the original small-block Chevy and has never looked back. Even after the introduction of the direct-injected, Gen V LT engine, the LS remained the engine of choice among Chevy enthusiasts, ... Read More »

EZ-EFI Fuel System Still Simple, In Demand

30226-06KIT

New technology often comes and goes, being replaced with the next latest and greatest advancement.  But, Fuel Air Spark Technology’s EZ-EFI Fuel system is an exception. More than eight years after its debut, it continues to be one of the best-selling carb-to-EFI conversion systems on the aftermarket. The system’s popularity stems primarily from its true plug-and-play design and self-tuning capabilities. A ... Read More »

COMP After Hours: Loophole Monte Carlo Gets Diablo Shifter

The Diablo shifter is ready to race! We now have an NHRA-legal reverse lockout and a more positive shifting position over our factory column shifter.

While building our “Loophole Monte Carlo” for an indexed class, we knew the column shifter had to go. Enter the new Diablo shifter from TCI Automotive. In an afternoon, it was completely installed and giving us better control for the track. The Monte Carlo’s destination is NHRA Stock Eliminator, specifically V/Stock. Cars in this class qualify with at least a 15.50 ... Read More »