505CI Twin-Turbo Pontiac Engine - Twin-Turbo Tail Twister
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The Base Spark table takes over the function of both the initial and mechanical advance in the distributor. Besides starting with known safe numbers for the engine, it's a good practice to run a few degrees less timing than optimal until the fuel maps are dialed in. Then timing can be added until peak power is reached or detonation is encountered. View Related Article
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