An engine block is the main part of an internal combustion engine. Jump to: navigation, search A colorized automobile engine The internal combustion engine is a heat engine in which combustion occurs in a confined space called a combustion chamber. ...
Short block is an automotive term describing an engine sub-assembly consisting of the following: cylinder block. ... Long block is an automotive term describing an engine sub-assembly consisting of the following: Short block. ...
The cylinder block is a machined casting (or sometimes an assembly of modules) containing cylindrically bored holes for the pistons of a multi-cylinder reciprocating internal combustion engine, or for a similarly constructed device such as a pump.
It is a complicated part at the heart of an engine, with adaptions to attach the cylinder head, crankcase, engine mounts, drive housing and engine ancillaries, with passages for coolants and lubricants.
This block is one of 3 displacements that underwent a transformation for the 1968/1969 period when the main bearing size was increased from 2.30 in to 2.45 in.
Engine bore was 3.875 in (98.4 mm) with a 3.25 stroke.
This was Chevrolet's first 4.3L-displaced powerplant; two other Chevrolet engines displaced 4.3L: the Vortec 4300 (based on the Chevrolet 350, with two cylinders removed), and a derivative of the LT1 known as the L99 (using the 305's 3.736" bore, 5.94" connecting rods, and a 3 inch crankshaft stroke).
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