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A long block does not include the fuel system, electrical, intake, and exhaust components, as well as other components. A long block may include the balancer/damper, timing cover, oil pan and valve covers. [5] A long block engine replacement typically requires swapping out parts from the original engine to the long block.
Valve seats are often formed by first press-fitting an approximately cylindrical piece of a hardened metal alloy, such as Stellite, into a cast depression in a cylinder head above each eventual valve stem position, [1] and then machining a conical-section surface into the valve seat that will mate with a corresponding conical section of the ...
Valve guides are typically shaped in a tube with a flare at one end. Their replacement involves removing the worn part by driving it out with a hammer and specifically-shaped punch. Installation may involve shrink-fitting , heating the cylinder head and cooling the valve guide so as to ease insertion, then driving the new guide in quickly with ...
A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and exhaust of the air/fuel mixture in four stroke internal combustion engine, replacing valve oil seals, replacing any deficient valve springs, and otherwise bringing the components of a cylinder head up to manufacturer’s spec. [1] A ...
Chevrolet's new 265-cubic-inch overhead valve V8 was designed to be smaller and lighter than previous V8s in the automobile industry, and would come to be known as the "Chevy small block". However, the new small block engine in the 1955 Chevrolet had some early teething issues.
The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors.First introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine, of which over 100 million have been produced altogether [5] and is also considered one of the most ...
Standard on station wagons and optional on other Caprice models was a 145 hp (108 kW) 2-barrel 305 cu in (5.0 L) version of the Chevy's small-block V8. This was the first model year the 305 cu in had been used in a full-size Chevrolet; it was first introduced in 1976 in compact and mid-sized Chevrolet lines.
In order for it to keep being competitive, the Blazer and Jimmy received a new 4.3 L (262 cu in) V6 option for 1988 (also used with the S-10/S-15 pickups, Astro/Safari vans, G-series vans, and C/K 1500 and 2500 trucks), based on the Chevrolet small-block V8 engine, producing a respectable 150 hp (112 kW). Power output was increased to 160 hp ...
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