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Tag Archives: rec-port

Speed Secrets: Cathedral vs Rectangular Port Cam For Your 408 Stroker Engine Cam Swap

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What happens when you upgrade from a factory camshaft to an aftermarket cam when you do the swap on a 408 stroker engine? Digging even deeper, what happens when you upgrade to an LS3 rectangular port style camshaft, on a stroker that’s equipped with cathedral-port cylinder heads? Let’s find out if this combination will work! When you look at the ... Read More »

Rectangle vs Cathedral Port Cam Test

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Words and Photos: Richard Holdener Okay LS enthusiasts, by now you should have gotten the memo that the first upgrade you should make to your motor is a cam swap. Of course, a bigger cam will also require a spring upgrade, but that is just common sense (or it should be). We all know that the right cam can offer ... Read More »