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Drag Race 101

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Valve Springs Primer

Drag Race 101: Valve Springs Primer. Valve springs are probably the most overlooked part of the valve train when building an engine, whether it’s a daily driver econo-car or a full-blown race car. Read More

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Choosing the Right Oil Pump for Your Strip Burner

Drag Race 101: Choosing the Right Oil Pump for Your Strip Burner. The right oil pump for your strip burner engine can allow your perfectly-designed and assembled engine to finally deliver the type of performance that you’ve spent hours poring over specs and designs for. Read More

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Headers: Scavenging Games Part IV

Drag Race 101: Headers, Part IV Recall a few posts back,  when we mentioned formulas and software that can help to figure out header dimensions?  We’ll, we’re bringing you a couple of header formulas below and if you need to check out a neat software program that can do much of ground work for you, try […] Read More

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

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[Drag Race 101] The Scavenging Games: Headers Part I

There are tons of questions when it comes to headers:  “What’s the real story with headers? Is header “tuning” a waste of time and dollars? Are equal length headers worth the money?  Does the collector shape and size really make a difference?  Do expensive headers really give you a performance gain for your dollar?” Whoa!  […] Read More

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