1963-1966 292 used 7/16 bolts and same bolt pattern as any other Chevy engine , V8 included. Starting in 1967 the bolts went 1/2 and also used 3 dowel pins.
Industrial blocks , cranks, heads were all the same as truck parts. Intakes and exhaust could sometimes be a Different than GM part.
Sometimes the compression would be raised to burn a alternative fuel like propane.
