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Inline 6 cyl chev need to find out what size engine is its in a 1965 chev 2 numbers I found are 3994257under that gm under that80 then I found00n2 then8191 then257j57 can you help identify?

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Third member of the Chevrolet inline 6 family was introduced in 1962 to 1988.The new engine was lighter and had a different bell housing bolt pattern. Both auto & manual bell housings & starter motors became interchangeable with Chevy small block and big block V8s.
Other changes on the 3rd generation engine was the crankshafts now had 7 main bearings not 4 like the earlier straight six, Chevrolet decreased the stroke from 3.9375? to 3.25 to produce a 230 ci engine. A new wedge type combustion chamber like the V8 was also used. The valve train was changed from a shaft type & an increase from 1.5 to 1 ratio was increased to 1.75 to 1 like the big block chevys used, Chevrolet passenger cars used the new style engine until 1977, In the Camaro,Chevy Nova & full size trucks it was used until 1979. These vehicals previously used the Stovebolt sixes. In the mid-1970s, the V6 engine like the Buick V6 231& later the 200 ci & in the 1980 the 229 3.8 V6 Chevy to over from the inline six in passenger car. GM continued to use the inline 6 in trucks and vans until 1988. Brazil used the straight six in the Chevrolet Opala from 1969 to 1992 . The inline Chevy six were converted for marine use by Volvo Penta & mercrusier & were also used to run power generation & used in forklifts.
In 1970 GM made the inline 6 the base engine with the Chevy II/Nova with either a 230 or 250 ci engine, Applications:
1962-1969 Chevy II
1967-1971 Postal Jeep
1968-1992 Chevrolet Opala (Brazil)
194 Chevy straight six
194 was used in both Chevrolet and GMC trucks.
1962-1967 Chevy II
1964-1967 Chevrolet Chevelle
1965-1966 Studebaker Commander, Daytona 1966 only, Cruiser and Wagonaire
230 Chevy straight 6
The 230 Replaced 235 cubic inches (3.9 L). It was also used by Chevrolet and GMC trucks, primarily the half-tons. It produced 140 hp (100 kW). The 230 had a firing order of 1-5-3-6-2-4 rotating clockwise. This engine was used on the following vehicles:
1964 Chevrolet Chevelle
1965-1968 Checker Marathon
1965 Chevrolet El Camino
1966-1970 Chevrolet Nova
1966 Studebaker Commander, Wagonaire, Daytona and Cruiser
1967 Chevrolet Chevelle
1967 Chevrolet Camaro
1968 Chevrolet Chevelle Malibu
1969 Chevrolet Camaro
1969 Chevrolet Chevelle
3.8 Pontiac L6
The Pontiac 3.8 was a special SOHC version of the standard 230-cubic-inch (3.8 L) I6. An optional W53 version on the Firebird produced 215 hp (160 kW).
This engine was used on the following vehicles:
1967 Pontiac Firebird
1967 Pontiac Tempest Sprint coupe
250 Chevy inline six
The stroked 250 version produced 155 hp (116 kW) for Chevrolet and GMC. Between 1975 - 1984, an integrated cylinder head was produced, with one-barrel intakes for passenger cars, and two-barrel intakes for trucks after 1978.
Passenger car use of the 250-cubic-inch (4.1 L) engine was discontinued after the 1979
This engine was used on the following vehicles:
1966-1984 Chevrolet (passenger cars to 1979, trucks/vans to 1984)
1968-1976 Pontiac Firebird
1968-1970 Pontiac Tempest
1968-1976 Pontiac LeMans
1968-1969 Buick Special
1968-1972 Oldsmobile F-85
1975-1976 Oldsmobile Cutlass
1971-1975 Pontiac Ventura
1968-1971 Buick Skylark
1968-1979 Chevrolet Camaro
1969-1979 Checker Marathon
1968-1992 Chevrolet Opala (Brazil)
L22 6 cylinder Chevy
The L22 was a 250-cubic-inch (4.1 L) I6 engine produced from 1967 to 1979. The '78 Camaro had 105 horsepower (78 kW) and 190 ft·lbf (260 N·m) of torque with the 250.
LD4 Chevrolet 6 cylinder
The LD4 was a 250-cubic-inch (4.1 L) I6 engine produced strictly in 1978.
LE3 6 cylinder Chevrolet
The LE3 was a 250-cubic-inch (4.1 L) I6 engine produced from 1979 to 1984.
292 C.I Chevrolet 6 cylinder
The 292 was only used in Chevrolet and GMC trucks; the block deck is taller, along with a relocated passenger-side engine mount. These were produced between 1963 to 1990; production of the engine shifted to Mexico after 1984.
L25 Chevrolet 6 cylinder
The L25 was GM's "last" pushrod straight-6 engine, produced from 1977 to 1988. It was used in Chevrolet trucks, displaced 292 cubic inches (4.8 L) and produced 115 hp (86 kW) and 215 ft·lbf (292 N·m).
The Chevrolet straight six has been used from the early days in sedans & trucks, It became popular with many hot rodders & racers. Over the years there have been many brands of headers, aluminum cylinder heads, hotter grind camshafts, 2 & 4 barrel manifolds + a huge range of multi carb intakes from speed equipment companies both large & small. Many back yard & home work shop creations have also been invented. lookup tool link here copy and paste to browser
this is the link chevy inline 6 engine Chevrolet six cylinder motor family Hot Sixes 6...

Posted on May 13, 2017

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Could be a 194,230 or a 250 six cylinder engine.

Posted on May 13, 2017


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