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The ZZ632's iron block shares a mold with Chevrolet Performance's ZZ572 crate engines, but the castings are machined to accommodate the huge 632 cubic-inch displacement. The bore grows by 0.040 in (1.0 mm), compared to the 572-cubic-inch V8s, with most of the displacement gain coming from a stroke that is 0.375 in (9.5 mm) longer.
This was so named because it began with Chevrolet's V8 engines. Chevrolet big-block V8s; Chevrolet small-block V8s; GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in³ (1980-1983).
The block entered production in mid 1965 as the Mark IV 396 cu in (6.5 L) "Turbo-Jet," phasing out the first-generation W-series Big-Block. In its first year the 396 was available as the L78 option in Corvettes and full-sized ( Impala , Bel Air , Biscayne ) models, and as the L37 in the intermediate ( Chevelle ) model.
Nickey Chevrolet eventually grew to a 200,000-square-foot (19,000 m 2) facility. The service department specialized in engine swaps, transplanting 427 cubic inch displacement (CID) "Big Block" Chevy engines into the very first 1967 Camaros , [ 2 ] and soon after into Novas, Chevelles, Impalas, and Corvettes.
Chevrolet big-block V8 (Vortec 7400) 1996–2000 L29 290 hp (216 kW) @ 4000 RPM 410 lb⋅ft (556 N⋅m) @ 3200 RPM over 8,500 lbs GVWR 8.1 L (496 cu in) V8 Chevrolet big-block V8 (Vortec 8100) 2001–2002 L18 340 hp (254 kW) @ 4200 RPM 455 lb⋅ft (617 N⋅m) @ 3200 RPM C3500HD only Diesel engines 6.2 L (379 cu in) V8
Chevrolet small-block engine: 1967-1968 220 hp @ 4400 RPM 320 lb-ft @ 2800 RPM 350 cu in (5.7 L) V8 Chevrolet small-block engine: 1969-1972 4-bbl 250 hp @ 4600 RPM 350 lb-ft @ 3000 RPM RPO code LS9 351 cu in (5.8 L) V6 GMC V6 engine: 1967-1969 1-bbl 351E 396 cu in (6.5 L) V8 Chevrolet big-block engine (Mark IV) 1968-1970 4-bbl