1964 Chevelle
1965 Chevelle
1966 Chevelle
1967 Chevelle
1968 Chevelle
1969 Chevelle
1970 Chevelle
1971 Chevelle
1972 Chevelle1967 Chevelle Camshaft Specifications
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In 1967 the 396 V8 camshaft abandoned the grooved rear journal and matching bearing in the engine block in favor of a smooth journal like the 283/327 V8. Any camshaft from a 1965 or 1966 396 engine can be used in a 1967 or later block but not the other way around. This groove is clearly visible in this photo on the camshaft on the left.
Courtesy - Bruce Testor
Note the oil groove in rear cam journal of this 396 V8 camshaft on the left. Both 1965 and 1966 396 V8 engines require this groove along with corresponding rear cam bearing. Most aftermarket camshaft manufacturers DO NOT list the 65/66 396 V8 in their catalogs due to this groove. However, any later camshaft will work if grooved and most aftermarket cam suppliers will either groove the cam for a nominal fee or send you the specifications so you can have your local machine shop perform the operation.
