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The first step is to ID the engine block. The block casting number is found at the rear of the Cadillac engine, between the intake manifold and transmission bell housing, right next to the oil pressure sending unit. The casting number is the raised, cast in number on the passenger side.
This guide is for the 472/500/425/368 engine family, and includes pictures, casting numbers, and notes to aid in positively identifying exactly which version of this engine family you are looking at. Engine Building Basics (PDF)
Dick Miller Racing Builds A 541ci Cadillac V-8. Would You Believe 649 lb-ft And 526 hp? writer: Marlan Davis photographer: Dick Miller Racing, MTS. It's not your grandpa's Cadillac engine.
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Nov 15, 2005 · The 368 and 425 engines are direct descendents of the 472/500 inch engines. The 1980 368 was the last of the traditional Q-jet carbed, iron block Cad engines. 1981 had the V8-6-4 version and it went downhill from there.
Engine ID Tip: If you have a 5200/6200 block (which could be either a 472 or a 500), you can determine which you are looking at by measuring the stroke. Use a coat hanger, a marker, and a ruler or tape measure to measure the stroke
Mar 10, 2014 · Discover the history of Cadillac's iconic V8 engines, from the pioneering Northstar to powerful supercharged versions. Learn more here.
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Cadillac 500 / 472 Engine Identification. All the Cadillac Big Blocks are strong engines capable of producing huge amounts of street useable low RPM power. Of the four the 500 is by far the more popular with the 472 coming in a close second.