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Look inside a quality merge collector (in this case one from our sample ARH header).  What you’ll see is a pyramid of sorts – one that controls the flow of the departing exhaust gases so that they do not re-enter the primary tube and travel backwards into the engine by way of the low-pressure area.

Headers: Scavenging Games Part III

Getting a handle on exhaust speed is extremely important (exhaust speed is the determined by the diameter and length of the primary pipe). But it’s the not only critical component in a header. Read More

ConstantDutyOBA

Compressed Air at the Track

You never know when you’re going to need compressed air to inflate tires, run a rattle gun, or get yourself out of some backbreaking work. Read More

OLYMPUS DIGITAL CAMERA

Star Wars Axle Housings Part IV: Aluminum Modular Housings

Over the past weeks, we’ve taken a close look at fabricated (sheet metal) Ford housings.  They’re absolutely trick pieces of work (and they work well by the way) but they might not be correct or best suited to all applications.  You see there is one more very (very) good option available.  And that’s a modular […] Read More

Star 17Feature

Star Wars Axle Housings Part III: Fabricated Ford Housings

In past segments of our “Star Wars Axle Housing” series, we looked at how and why the fabricated housing first became available. We also looked at the construction techniques used in assembly along with some of the available configurations and options.  This time around, we’ll conclude the sheetmetal housing portion of the series with a […] Read More

RJ42 Quick-In Surlock Steer PhotoFeature

Modern Rendition of Fat Man Steering Wheel is for Racers

If you want to find out how a new product for racers works, skip the salesman and go straight to the manufacturer.   Son Machine Co.  in Evansville, Wis. makes the Quick-In Surlock Steer device that allows racers to get in and out of their cars without completely removing the steering wheel. We spotted the product […] Read More

Anti Roll Bars Part 1

Loose as a Goose: Why ARBs are Necessary in Most Drag Cars, Part I

Question:  Have you ever watched an out-of-shape, high horsepower GM A or G-body (Chevelle, Cutlass, GTO, Grand National, etc.) as it launched at a drag strip?  You know the scene — typically, the driver’s side front fender will be reaching for the sky while the passenger side rear quarter panel will be trying to dig […] Read More

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