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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).
I set my 350 olds to 30 at 2000rpm
timing CHAIN
Chain.
The best way to find 6 degrees on a 1969 Olds 350 Rocket timing tab is with a diagram which can be found in a repair manual. The timing markings are on the pulley.
you cant adjust this.
Set by dwell 28-32 degrees approx. .017
what are the timing belt marks for a 1995 olds cutlass supreme
I need to know where the timing chain is located in a 1988 Olds 98 regency brougham, and how expensive a timing chain is.
YES
the van either has a chain or a gear to gear timing system. GM did not us belts in that engine
I have a 1999 Oldsmobile Intrigue 3.5 liter, I will like to know were the Timing chain marks.