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Tag Archives: Boost Cam

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: 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: Adding ZEX Nitrous To A Turbo 5.3! HUGE Gains!

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Working with the experts at ZEX, two of the funnest parts of building an engine are tested: boost and nitrous! Nitrous is awesome, boost is awesome, but what happens when you combine the two? Double the fun! When it comes to choosing nitrous or boost, the majority of engine builders will opt for one or the other, but why choose ... Read More »

Dyno Testing the New COMP Cams Stage 2 LST Turbo Camshaft!

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When Speed Secrets works with the experts at COMP Cams, that can only mean one thing – cam tests! On this episode, it’s not time for just any cam test, but an LS cam test, and a turbo LS cam at that. The cams being put to test today are the LST, or Low Shock Technology cams. What is the ... Read More »

Speed Secrets: Is a Camshaft Swap Necessary for a Boosted Engine?

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The Xtreme Marine XM284HR camshaft with a .547 lift, 230/236 duration, and 112 LSA is an excellent camshaft for a ZZ-454 in a marine application, but how well would the cam do with boost? Richard Holdener with Speed Secrets teamed up with Comp Cams to put the combination to the test. This test was out of the norm in that ... Read More »