Check/replace the spark plugs and wires. If you're not going to replace the plugs make sure the gap is correct (should be either .040 or .060) and make sure the plugs are clean of oil or gas. If it still backfires after you replace the plugs/wires check the distributor and the timing.
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Backfiring during acceleration in a Chevrolet 305 engine can be caused by issues such as a fuel system problem, ignition timing that is too advanced, or a vacuum leak. It is important to check the spark plugs, fuel filter, ignition system, and vacuum hoses to diagnose the exact cause.
Water in the gas can cause misfiring in an engine, leading to backfiring. When water is present in the fuel system, it can disrupt the combustion process by preventing the fuel from burning properly, resulting in backfiring as the engine tries to compensate for the imbalance. It is important to address any water contamination in the gas to prevent engine performance issues.
No, a 4.8-liter engine is not referred to as a 305. The 305 refers to a 5.0-liter engine commonly found in GM vehicles.
Uniform (or constant) acceleration means that the acceleration doesn't change over time.
Find out the time using speed and acceleration, (time=speed/acceleration) and then use it to find out uniform velocity. From that find out uniform acceleration. (as uniform acceleration is equal changes of velocity over equal intervals of time)
"Uniform acceleration" means that acceleration doesn't change over time - usually for a fairly short time that you are considering. This is the case, for example, when an object drops under Earth's gravity - and air resistance is insignificant. "Non-uniform acceleration", of course, means that acceleration does change over time.