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Jun 22, 2016 · The L88 engine is one of the most popular big-block engines in Chevrolet’s history. While the aluminum-headed 427 was only offered in production vehicles between 1967 and 1969, its demand carried on for decades. Chevrolet Performance resurrected the 427 Rat from the grave, and packed in some modern goodies.
May 14, 2024 · 05/14/2024. When considering big block vs. small block engines, understand the differences in displacement, bore, stroke, size, weight, and performance. Small block engines range from 262ci to 400ci, while big blocks can span 348ci to 632ci, offering more air and fuel intake. Small blocks have larger bores and shorter strokes, favoring ...
Dec 21, 2018 · The issue was that the small-block Chevy was designed to be cast iron, not aluminum. While the aluminum 377 was struggling, work began to replace it with the W-Series 348/407/427 truck engine.
- Chevrolet
- 3 min
- Big Pump vs. Little Pump
- Big Valve vs. Small Valve
- Big Bore vs. Big Stroke
- Survey Says: Big-Block Chevy
- GM Big-Blocks vs. GM Small-Blocks
- Cost vs. Power
- Big-Block Buick vs. Small-Block Buick
- Big-Block Pontiac vs. Small-Block Pontiac
- Big-Block Olds vs. Small-Block Olds
- Small-Block vs. Big-Block Specs*
Engines in their simplest form are air pumps. The bigger the displacement of the pump, the greater the potential power; when all things are equal, the bigger the engine, the greater the power output. Unfortunately, in the argument of big-block vs. small-block, things aren't equal, and our basic argument of "bigger is better" kind of hits the guardr...
If engine size doesn't solve the big-block vs. small-block question, what else matters? If your eyes have wandered down the page to the large chart labeled "Small-Block vs. Big-Block Specs," you can get your first clue from the "intake valve" spec column, which shows the most common intake valve diameter size for each engine family. The intake valv...
If increasing the bore and increasing the stroke both provide more cubic inches and presumably more power, does it really matter how the factory went about increasing the displacement? It turns out, that does matter. A look at the "Small-Block vs. Big-Block Specs" chart shows stock bore, stroke, and approximate engine weight, and here you'll note t...
If you just want to win races while spending the least amount of money, get a modernChevy LS small-block. Debate over. You're just not going to get to four-digit power levels with anything else for less than the price of an LS, but that's no fun for the purposes of our old-school 20th-century big-block vs. small-block slugfest. We're cutting to the...
If we set aside the outsized advantage that thebig-block Chevy has by way of the performance aftermarket, it's instructive and fun to look at the some of the more esoteric aspects of the various big-blocks and small-blocks made by Detroit's automakers through the muscle car era. In this way, we can evaluate winners and losers by various criteria, b...
With any big-block vs. small-block comparo, one of the major debate points is cost-savings (the small-block) versus big power (the big-block). With theChevy engines, the aftermarket has erased much of the disparity here, making both big-block and small-block engines around the same in terms of hp-per-dollar. The big-block has more room inside relat...
The cost-versus-power face-off makes a more compelling argument with less popular, less well-supported manufacturers. If you're a Buick fan, for instance, you'll quickly discover that it's almost impossible to field a competitive 350ci small-blockBuick due to a dearth of power parts for the short-lived engine family. The 350 Buick debuted in 1968 a...
While Buick offered small-block and big-block designs that shared little, Pontiac by contrast built all its V-8 engines from the same basic architecture. Pontiac never added a "big-block" engine family in the late 1950s or early 1960s like others did but rather increased the size of its existing OHV V-8 design. All Pontiac engines between 326ci and...
By 1964, on the eve of the muscle car revolution, Oldsmobile's ground-breaking OHV V-8 "Rocket" design of 1949 was long in the tooth and ripe for redesign. Like Pontiac's V-8, Oldsmobile V-8s would share some elements such as bore center spacing and deck height between its engines, but becauseOldsmobile elected to use two different deck heights ins...
*With apologies to AMC and Cadillac fans, this list is not a comprehensive inventory of all big-block or small-block engines of the muscle-car era, but rather of the largest and/or most common versions of each engine family. GM small-blocks are arbitrarily limited to 350ci to make the list more manageable. Weight of engines in stock configuration i...
- Johnny Hunkins
- 10 min
- Ford
Chevrolet big-block engine. OHV 2 valves × cyl. The Chevrolet "big-block" engine is a term for a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline -powered, V8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present.
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Mar 14, 2024 · The last big block in Chevrolet's lineup, the Gen VII 8.1-liter Vortec, displaced 496 cubic inches using the same 4.25-inch cylinder bore as the 454 but with a longer 4.37-inch crankshaft stroke.
Mar 14, 2022 · There’s nothing quite like the sight of a new, aluminum ZL1 block in its crate to light a project’s fire. Available straight out of the Chevrolet Performance catalog (PN 12370850), it’s a modern casting based on the original design, with features including splayed four-bolt mains and screw-in galley plugs. Even though the engine made its ...
