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Put your timing light on the number one spark plug wire and then remove the vacuum advance hose, loosen the distributor bolt and with the engine idling move the dist. unti, you get the timing mark on the crank to come to the correct notch on the timing guage.

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โˆ™ 2015-07-15 21:00:14
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Q: How do you adjust and set the timing on a full size Blazer 4 bbl?
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