Do Header Wraps Work?

3rd June 2022 Season 7 Episode 10

You've seen them all over. On vintage race cars, trophy trucks, motorcycles, and even—for some reason—street cars. They're header wraps, and manufacturers claim they not only reduce radiant heat, but create additional power through their scavenging effects and superior heat management. Is any of it true?? We'll find out on this episode of Engine Masters, presented by AMSOIL, as we test a set of painted, ceramic-coated, and wrapped headers against one another on our Ultimate Average 383.

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Season 7 · Episode 11

Which Ram? All the Rams?!

So you've got an LS and you need to make a choice on an intake. Chances are high you're looking at some version of Holly's "Ram" Intakes, whether it's the long runner Hi-Ram, the Mid-Rise, the compact Lo-Ram, or the hood-clearance-friendly Ultra Lo-Ram. On this episode of Engine Masters, presented by AMSOIL, we line them up one by one on our 550 rectangle port headed 6.2-liter LS to help you decide which power curve is best for you. But fear not, cathedral-headed LSers, this test applies for you, too!

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