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Speed Secrets: Making 1000hp From a 408 Stroker!

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If you’ve been overlooking the little thing that go into modifying an engine, you’re missing the change to make big power. It’s true, it’s easy to make big power with big displacement combined with boost, but it’s not the time to overlook the supporting mods – things like fuel injectors, coil packs, and the camshaft, so let’s look at the ... Read More »

Speed Secrets: Ford 302 Nitrous Distribution!

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It’s time to work with the experts over at ZEX for another test, and you know what that means – nitrous! If you’ve ever wondered if the nitrous being sprayed into a 5.0L is evenly distributed, this will answer your questions. Of course nitrous works, but how well is it distributed on a long runner intake installed on a 5.0-liter ... Read More »

Turbo 5.0 Ford Small Block: Big Power with Small Boost!

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The 5.0-liter Ford engine is a favorite of the Speed Secrets crew, so if there’s one thing they’re dying to test, it’s a 5.0L, and not any 5.0L, but one turbo power! To learn how to put together a great engine meant for boost, the experts at COMP Cams lend a hand to set up a great foundation. Making a ... Read More »

Nitrous on an LS: How Does It Distribute?

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When it comes time to install a nitrous kit on a 6.0-liter LS engine, it’s time to enlist the help from the experts over at ZEX. In this episode of Speed Secrets, the question is not whether or not nitrous works, that has been answered in many tests prior, but does nitrous distribute evenly when in use – that’s the ... Read More »

Speed Secrets: 4.6L 2V COMP Cams XE274H Dyno Testing!

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Working with the experts at COMP Cams, the crew at Speed Secrets is on a mission to demonstrate the power gains of a cam swap in a 2-valve 4.6-liter modular Ford engine. Not only will you see the power gains from the swap, but the engine is thrown on the dyno both naturally aspirated, and under boost. Why show both? ... Read More »

Speed Secrets: Why Build a 5.3L Stroker?

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Can a junkyard 5.3-liter engine be transformed into a fire breathing 383 cubic inch stroker engine? It can if you have the right combo! Working with the experts at COMP Cams, the Speed Secrets crew manages to accomplish just that. The 5.3-liter engine has become a very popular choice for builds and swaps, and for good reason – these engines ... Read More »

Speed Secrets: COMP Cams LS Rocker Arms Explained!

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The rocker arms are often the most neglected part of an LS engine. That’s not to say that the factory LS rockers aren’t pretty good, they are a good design, but yours probably still need to be upgraded. Working with the experts at COMP Cams, we learn exactly why, and what COMP has to upgrade those rockers to. There are ... Read More »

Speed Secrets: Using ZEX Nitrous on a Built 5.3L

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On this episode of Speed Secrets, the experts at ZEX. Nitrous is awesome and works well with just about any engine or setup. In this nitrous test, it’s time to give a modified 5.3-liter engine. If you love nitrous, you’re not alone, so do we. This topic has been covered in depth in several previous videos, and many dyno tests ... Read More »

Speed Secrets: It’s Time For a Supercharged Cam Test!

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On this episode of Speed Secrets, it’s time to look at a 1,000-horsepower camshaft from COMP Cams – that’s not to say the cam is responsible for all this power, but it’s a great supporting mod for the blown 5.3-liter engine. If you’re going to run a supercharger on your LS engine, you need a camshaft made for boost. To ... Read More »

Speed Secrets: How Much Power Do You Get From Heads/Cam/Intake on an LS1?

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Speed Secrets, COMP Cams, FAST, and RHS team up on this test to see how much horsepower you can get out of 5.7-liter LS1 when you upgrade the heads, camshaft, and intake manifold. Truth be told, this combination of upgrades can be applied to an LS engine to get similar results you will soon see from the test. From the ... Read More »