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number for block should stamped in a small flat pad on front left side of block just under head gasket area. A large 403 should be cast into the left side of block just below freeze plugs
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∙ 15y ago
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Does anyone make headers for a Oldsmobile 403 that will fit in a 1966 Oldsmobile cutlass?
Yes. 403 is a small block with identical exhaust ports as a 350 and 330.
Does a 1978 Trans Am 403 V8 use the same engine parts as a 400 V8?
NO. 403 is an Oldsmobile engine 400 is Pontiac engine no it dows not i have a Pontiac 400. uses diff. parts not interchangeable.403 is Oldsmobile
Did any later model 1976 Oldsmobile 442s have a 403 engine?
No, the 403 didn't come out till 1977.
What are the Spark plugs for 403 Oldsmobile engine?
Champion RJ18YC6
Oil capacity 403 Pontiac?
The Oldsmobile 403 is listed as having an oil capacity of 5 quarts (with filter change).
How much horsepower does a Oldsmobile 403 have?
175hp, 310lb/ft of torque.
By which number is 403 is divisible?
403 is divisible by no number
Will a 1979 Pontiac 403 engine fit 1988 Chevy Camaro rs?
Pontiac did not make a 403 but offered a Oldsmobile 403 in the trans am, lots of work and modification to put in a 1988
Will a Chevy 350 cam fit in an oldsmobile 403 block?
NO. Not even close.
How many horses can you get out an Oldsmobile 403 bored thirty over?
As much as your wallet can afford.
What transmissions fit a Oldsmobile 403?
TH-350 is the automatic that would. Hope this helps.
What are the intake manifold torque specs for a 403 ci Oldsmobile engine?
Intake manifold torque specifications for the Olds 403 is listed as 30 ft-lbs.
