Home | Author Archives: Cynthia Bullion

Author Archives: Cynthia Bullion

COMP Cams Cam Phaser Limiter Kit for GM LT4 Engines

5450

COMP Cams has released a Cam Phaser Limiter Kit that will restrict cam phaser motion for use of higher performance camshafts in GM LT4 engines. The kit includes a tool that allows simultaneous compression of phaser springs in 2015 or newer GM LT4 engines, as well as ensures the spring lock engages at its optimal location. Installation of the included limiter ... Read More »

TCI 4x Four-Speed Auto Transmission, Non-electronic 700R4-based

TCI 4x Four-Speed Auto Transmission Non-electronic 700R4

The new 4x Four-Speed Auto Transmission, Non-electronic 700R4-based from TCI allows the use of a 700R4 transmission with non-GM applications, without the need for difficult-to-install mid-plates. TCI designed the 700R4-based version of its new 4x Four-Speed transmission line with interchangeable SFI-spec bellhousings for easy installation of a 700R4 behind a Small or Big Block Ford, Ford Mod, Small or Big Block Chrysler, ... Read More »

FAST XDi Street HEI Distributor

FAST XDi Street HEI Distributor2

The new FAST XDi Street HEI distributor includes industry-first gear technology and an upgraded module and coil that ensure clean ignition firing up to 8,500+ RPM. Designed for Small and Big Block Chevy engines, the FAST XDi Street HEI Distributor features a plasma nitrided gear compatible with all popular camshaft materials, including cast iron, austempered iron, 5160 steel and even 8620 steel.  ... Read More »

FAST XR Series Coils for GM LS Engines Offer Up To 20 Percent More Spark Energy

FAST XR Series Coils for GM LS Engines

New FAST XR Series Coils for GM LS engines offer 15 to 20 percent more spark energy than stock coils. The coils are constructed from premium, ultra-pure copper alloy windings, resulting in firing performance approaching 50,000 peak volts.  Tested to 8,000+ RPM and almost 1,500 HP, the FAST XR Series Ignition Coils have been proven to perform in some of the harshest ... Read More »

LY6 Cam Upgrade

1

Words and Photos: Richard Holdener We have seen it happen again and again, but no matter how many times you see the impressive power gains offered by a cam swap on an LS application, it never gets old. The go-to LS for most enthusiasts remains the venerable 5.3L. Used in millions of GM truck applications, the workhorses are available in ... Read More »

Battle of the Sixes: LQ4 vs LY6

1. b.

Words and Photos: Richard Holdener  Time, they say, marches on and that is good news for LS enthusiasts. The reason time is important for LS enthusiasts is that as each year goes by we get more and more engines in the wrecking yard to choose from. Not only do we get a fresh supply of motors for the wrecked vehicles, ... Read More »

Rectangle vs Cathedral Port Cam Test

15

Words and Photos: Richard Holdener Okay LS enthusiasts, by now you should have gotten the memo that the first upgrade you should make to your motor is a cam swap. Of course, a bigger cam will also require a spring upgrade, but that is just common sense (or it should be). We all know that the right cam can offer ... Read More »

Is Bigger Always Better: 92 vs 102mm Throttle Body Test

1

Words and Photos: Richard Holdener The question on the table today, is bigger really better? The quick answer is almost always yes, especially when it comes to things like throttle bodies. I mean really, doesn’t a larger throttle body flow more than a smaller one (of equal design)? True enough, the larger 102-mm FAST throttle body certainly flowed more than ... Read More »

Spring Into Action

Before you think about a cam swap, better make sure you have sufficient spring pressure.

Ford 306 Spring Upgrade Words and Photos: Richard Holdener Making more power is a common goal, and the great thing about wanting more power is that there are many ways to go about getting it. Though we applied what we learned to a 5.0L Ford combination, it works equally well on just about every engine family out there, from Ford ... Read More »

FAST Announces Improved EFI Training for 2018

FAST 2018 Training Courses Event Graphic Web

FAST® has revised its popular fuel injection training program to include courses better tailored to participant experience levels and individual needs, all housed in the dedicated COMP Performance Group™ training facility. After a successful 2017 class series, instructors have fine-tuned the course curriculum. FAST® EFI™ training now includes two classes, an Intro to FAST® EFI™ class aimed at the self-tuning ... Read More »