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On 84 factory base timing is 8 degrees b4 top dead center and should have no more than 32degrees spark advance total by 3500rpm. You can play around with base timing. If you have a manual trans you can put your base timing around 8-12 degrees and 8-18 drees automatic trans. Each dree you advance the base timing you will have to decrease centrifugal advance as well to keep engine from pinging from detonation. Carb tuning is also a must when timing is changed. Ive personally seen gains of 10 hp at the wheels and up to 15ftlbs of torque with proper timing and fuel curves. Hope this helps. Happy Tuning!

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Q: What is the 1984 timing advancement for a chevette?
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