Home | Tag Archives: Small Block Chevy

Tag Archives: Small Block Chevy

Speed Secrets: Building and Testing a L79 Small Block Chevy

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The specs of the muscle car era engine were pretty standard across the board, but GMs L79 had a legendary reputation. To take a look at what set the L79 apart from the rest, Speed Secrets’ Richard Holdener teamed with Comp Cams to build a reproduction L79. With 4 bolt mains, a forged crankshaft, and 11:1 compression pistons, the main ... 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 »

Speed Secrets: Are Small Block Chevy Cam Swaps Like LS Cam Swaps?

Speed Secrets: Are Small Block Chevy Cam Swaps Like LS Cam Swaps?

Can you get the same kind of gains from Small Block Chevy cam swaps as the LS guys? Find out in this episode of Speed Secrets with Richard Holdener. Chevys revolutionary LS based engines seem to be an anomaly. With the way these engines respond to even mild cams, it makes you wonder how it can be so superior to ... Read More »

Still a Float: SBC Stroker Spring Upgrade

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By Richard Holdener/Photos By Author Sometimes performance upgrades come from desire, while others out of sheer necessity. Unfortunately for us, this valve-float (actually control) test was the latter. It is often said that the whole is more important than the sum of its parts, and this is certainly true when it comes to the internal combustion engine. Think about running a ... Read More »

Final COMP Cams Engine Builder Duel Of 2015 Takes Place During Fall Street Machine Nationals

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Springfield, MO – The COMP Cams Engine Builder Duel series concluded this weekend at the Fall Street Machine Nationals. The two-day event hosted two head-to-head builder competitions on Saturday, and one on Sunday. All three pairs of teams were evenly matched, and the times were close. As always, even though one team may be trying to start their engine first, that ... Read More »

The Ultimate Stroker – Squeezing 427 Inches Into An SBC

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Our friends at Horsepower Monster have recently been building up a Small Block Chevy into a stroker 427 using off-the-shelf components. Their goal is to put together a daily-driver engine that is capable of more than 550 horsepower and can run on pump gas. The build includes a COMP Cams Thumpr™ Hydraulic Roller Camshaft, High Energy™ Hydraulic Roller Lifters and Ultra Pro ... Read More »