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Access Oldsmobile  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
 
Oldsmobile 400 Engine (V8, 400 cid, 6.6L)
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This Oldsmobile 400/6.6L engine/motor can fit the Cutlass, 442, Vista Cruiser, 98, Custom Cruiser, Delta 88, F85 and some other Oldsmobile car and/or truck applications - for more details see your automobile manual.

1975

1975 Oldsmobile 400 No smog,  Specify head #,  2 1/2" crank centering ring,  5 motor mount on left 4 on right
Engine DescriptionSizeVINPrice/Core
1975 Oldsmobile 400 No smog, Specify head #, 2 1/2" crank centering ring, 5 motor mount on left 4 on right

400/6.6LS$1,804/$400
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1967 - 1969

1969 Oldsmobile 400 No smog
Engine DescriptionSizeVINPrice/Core
1969 Oldsmobile 400 No smog

400/6.6L$1,804/$400
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1965 - 1966

1965-1966 Oldsmobile 400 Big block, spin-on oil filter.
Engine DescriptionSizeVINPrice/Core
1965-1966 Oldsmobile 400 Big block, spin-on oil filter.

400/6.6L$1,865/$500
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For troubleshooting tips and repair information on the Oldsmobile 400/6.6L engine, please visit our Information page.