"3/4 cam"; (pronounced "three quarter", not "three fourths". A "three fourths" cam would only work 12 of the 16 valves. This is one of those (bogus and vague) terms used in the old days for a high lift, long duration racing cam.
383"; a 350 block with a 400 crank
"700R4"; A good four speed automatic transmission for small blocks.
"4L60"; As far as I know, it's just a new name for the 700R4.
"balanced"; One of those over used and under defined terms. It could include items like matching the weights of the rods and also the pistons. Normally, it's used when talking about balancing the rotating mass, it other words, the crankshaft. What you will never hear is the accuracy of the balancing.
"Big Block"; Those big chevy engines. The factory engines range in displacement from 396 to 502. They are all (for the most part) the same size outside. Yes, you could make a 502 look like a 396.
"Blueprinted"; I really hate this term! It has to do with making the dimensions of the parts in the engine more accurate (and closer to the blueprint values). What you will almost never hear from the average joe is what values were used!
"BTDC"; before top dead center
"Bump Stick"; A camshaft.
"CFM"; This is a carburetor term and stands for "cubic feet per minute". It's the volume of air (over time) that the carburetor can pass. Bigger isn't always better!
"COPO"; Central Office Production Order. I wish that I could make up one!! It's an order to construct a non-standard car configuration.Another over used term
"coupe"; A hard topped car without frames around the door windows. A sedan has a frame that's mounted to the door. As an example, a 70 Chevelle is a "coupe", a 64 Chevelle is a sedan.
"front clip"; the front end sheet metal forward of the firewall. On a Camaro, this should include the fenders, hood, radiator core support, bumpers, etc.
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