Valve covers with drip rails came stock on most high-performance big-block engines back in the classic muscle-car era, but started going away by the early 1970s during the dismal smog era when cams ...
A:The Pontiac 151-inch (2.5L) L4 Iron Duke rocker arm fulcrum-to-tip distance is greater than a Chevy small-block, plus the Chevy small-block rocker has a 1.51:1 ratio, while the Pontiac uses a 1.71:1 ...
One of the most common mistakes when building a Chevy engine is neglecting to check the rocker arm geometry. This is usually due to the name of the procedure being misleading and implying the ...
The debate over the optimum rocker arm ratio has dragged on since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the small-block to run around ...
While there is some contention surrounding who produced the first muscle car, we can all agree that Chevrolet was certainly in the mix of it all during America's earliest muscle car days. In an effort ...
Despite the muscle car the Chevy Chevelle would have become later in its life, the Chevelle of the mid-60s was what passed for a family-friendly car back in those days. Of these models, the base 300 ...
Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...
Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of the '60s ...