![]() With flattop pistons, Dart Pro1 Platinum 200cc heads and a Dart dual plane intake, the engine had a mis-matched camshaft profile, due to previous plans that never materialized. The car is a 1964 Corvette, and the engine is a 350ci small block Chevy with a mild mix of modifications, which made for an excellent street car with a little more pep than your average weekend cruiser. Our project car drove into the shop under its own power, but had developed some excessive valve train noise. We want to illustrate the necessary steps involved in converting a hydraulic flat tappet camshaft to a hydraulic roller, using the common small block Chevy as an example. It’s quite common for a mild mannered small block Chevy to have a roller camshaft and valve train. For instance, camshaft and valve train technology has allowed gear heads to use parts and pieces that were once considered hardcore racing components in their weekend cruisers. Although the platform has remained the same, a lot of the internals are leaps and bounds ahead of the original equipment. However, it still stands at the most popular engine platform, whether you’re dealing with a street rod, a drag car or a rowdy street machine. There aren’t many cutting edge ideas associated with the small block Chevy, as it’s been in the hot rod rotation for 60 years now. By Tommy Lee Byrd Converting a Tried-and-True Small Block Chevy from a Flat Tappet to a Roller Camshaft
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