Timing and Firing Orders
Chevy 305
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Timing Belts and Chains

What is the correct timing for your 1987 Chevy 4X4 with a 305 V8?

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December 12, 2008 3:38AM

What altitude are you at? from seal level to about 2000 ft i would set at 4

and add 2 deg for every 1500 to 2000 feet.