<P> The Chevrolet 305 is a reliable, fuel efficient V8, easily capable of 200,000 miles, if maintained . From 1976 onward into the early 1980s, these engines were also prone to wearing out their camshaft lobes very prematurely due to a combination of improper manufacturing and reduced / poor quality controls (a result of GM cost - cutting measures). The 305 is sometimes dismissed in performance circles because of its "lack of power", its small bore size, and difficulty flowing large volumes of air at higher rpms; however, two variants of the' 83 -' 92 305 were notable performers, especially when in comparison to most of the other "performance engines" of that time: the' 83 -' 88 L69 "High Output 5.0 L" (only used in late' 83 - early' 86 F - body / late' 83 -' 88 Monte Carlo SS) and the' 85 -' 92 LB9 "Tuned Port Injection 5.0 L" (F - body only). </P> <P> After 1993, its usage was limited to light trucks and SUVs until the 2000 model year (vans and commercial vehicles until 2003). The 305 was sold as a crate motor under the Mr. Goodwrench brand as a replacement motor and as a boat engine for Mercury Marine until late 2014 when it was discontinued . The cylinder block is still in production by GM (part number 10243869) for Sprint Car Spec Racing . </P> <Table> <Tr> <Th> Year </Th> <Th> hp (kW) </Th> <Th> lb ft (N m) </Th> </Tr> <Tr> <Td> 1976 </Td> <Td> 140 (104) </Td> <Td> 250 (339) </Td> <Td> w / 2bbl . </Td> </Tr> <Tr> <Td> 1977 </Td> <Td> 145 (108) </Td> <Td> 245 (332) </Td> <Td> w / 2bbl . </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> 140 (104) </Td> <Td> 240 (325) </Td> <Td> w / 2bbl . </Td> </Tr> <Tr> <Td> 1978 </Td> <Td> 160 (119) </Td> <Td> 235 (319) </Td> <Td> w / 4bbl . </Td> </Tr> <Tr> <Td> 1979 </Td> <Td> 130 (97) </Td> <Td> 245 (332) </Td> <Td> w / 2bbl . </Td> </Tr> <Tr> <Td> 1979 </Td> <Td> 125 (93) </Td> <Td> 235 (319) </Td> <Td> w / 2bbl . </Td> </Tr> <Tr> <Td> 1980 </Td> <Td> 155 (116) </Td> <Td> 240 (325) </Td> <Td> w / 4bbl . </Td> </Tr> <Tr> <Td> 1981 </Td> <Td> 150 (112) </Td> <Td> 240 (325) </Td> <Td> w / 4bbl </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> hp (kW) </Th> <Th> lb ft (N m) </Th> </Tr>

How much hp does a 305 engine have
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