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I didn't see a specific year year you're interested in, however a 1978 Olds 403 is listed as 18 degrees initial timing (detach and plug vacuum advance hose while setting initial advance).
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∙ 15y ago
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Where is the timing chain on a olds 403 engine?
The time chain is located under the timing chain cover, which is behind the fan and under the water pump.
Will headers for a 403 Olds fit on a 455 Olds?
No, the blocks are different.
557265 4b what size is this engine?
It's an Olds 403.
Could a 350 Olds exhsaust manifold fit on an Olds 403 motor?
yes i think so
Will 403 olds engine mounts fit a 350 olds?
The blocks were physically the same size so I don't see why not.
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.
What is the spark plug gap for a 1977 Oldsmobile 403 cubic inch engine?
The spark plug gap for a 1977 Olds 403 is listed as .060 inches.
What is correct timing for 1979 403 trans-am?
The Oldsmobile engines typically had a fairly high initial timing....coming in at 18-20 degrees before TDC. That's assuming you're talking about a fairly stock 403.
Where is 1 cylinder at on olds 403?
the first plug on the drivers side up near the radiator.
Where is the oil pressure sending unit on a 1979 trans am with olds 403?
Near top of water pump
Does a 2002 olds intriuge 3.5 liter have a timing belt or chain?
timing CHAIN
Will 350 exhaust headers fit on a 403 olds?
There were both small blocks and I'm going to say, yes.
