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Aluminum cylinder heads (Corvette only) were released part way through the 1986 model run, modified for 1987 with D-ports, and continued through the end of L98 Corvette production in 1991 (still used on ZZx 350 crate engines until 2015 when the ZZ6 received the fast burn heads). [22] The L98 V8 was optional in January 1987–1992 Chevrolet ...
The L98 is a slightly modified version of the L76, specific to Holden vehicles. Since Holden did not use the displacement on demand technology of the L76, some redundant hardware was removed to form the L98. Power increased to 270 kW (362 bhp) at 5700 rpm and 530 N⋅m (391 lb⋅ft) at 4400 rpm.
The Chevrolet small-block engine refers to one of the several gasoline-powered vehicle engines manufactured by General Motors.These include: The first or second generation of non-LS Chevrolet small-block engines
However, the C4's performance was hampered by its L98 250 hp (186 kW) engine until 1992, [7] when the second-generation Chevy small block, the 300 hp (224 kW) LT1, was introduced, markedly improving the C4's performance. 1996 was a high point of small block engines development and the 330 hp (246 kW) LT4 was introduced in all six-speed manual ...
Starting around 1925 engine blocks and cylinder heads were now developed at each brand but were cast at Saginaw Metal Casting Operations. [3] In the mid-1960s, there were 8 separate families of GM V8 engines on sale in the USA. [4] [1] By the 1970s, GM began to see problems with their approach.
For example, the stock (non-high-output, VIN "Y") 307 cu in (5.0 L) in the 1983 Oldsmobile 98 was a mere 140 hp (100 kW), although in that year a high-output model (VIN "9") was available producing a nominal 180 hp (130 kW), at approximately 245 lb⋅ft (332 N⋅m) torque. The final 1990 configuration was rated at 140 hp (100 kW) at 3200 rpm ...
This strong market position generates substantial cash flows that support shareholder returns. Turning to the specifics, the pharmaceutical giant offers investors a 4.3% dividend yield backed by a ...
The L98 350 continued with 230 hp. 1987: 30,632: Callaway twin-turbo offered through dealers with GM warranty. The L98 350 had 240 hp. 1988: 22,789: New wheel design; all white 35th Anniversary special edition coupe. The L98 350 continued with 240 hp. 1989: 26,412: ZF 6-speed manual replaces Doug Nash 4+3. 1990: 23,646: ZR-1 is introduced with ...