![]() Set the mechanical timing of the engine.How do you set timing without a timing light? I usually like to see about 10 – 14 degrees in the distributor and the rest on the crank in most performance engines. ![]() If it has too much advance, then you need to limit the amount of advance inside the distributor and give it more “initial” timing on the crank to achieve the 34-36 degrees of desired total. Likewise, people ask, what should my timing be set at? Too much advance will cause hard starting and pre- ignition. Too little spark advance will cause low power, bad gas mileage, backfiring, and poor performance. Likewise, what happens if ignition timing is too advanced? Symptoms of incorrect ignition timing are poor fuel economy, sluggish acceleration, hard starting, backfiring, or "pinging" or "spark knock". If the number is lower or after top dead center (ATDC), turn the distributor counterclockwise. If the mark is adjacent to a higher number BTDC, the distributor must be rotated clockwise to bring it down to 4 degrees. The initial timing should be 4 degrees before top dead center (BTDC). Hereof, what should the timing be on a small block Chevy? In most cases starting out with 12 degrees of initial advance is about right. The timing can vary between 2 and 12 degrees BTDC, the recommended spark plugs are different and even the plug gaps vary.
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