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How can you tell if your timing jumped on a 383 Chevy small block?

Signs of a jumped timing chain on a 383 Chevy small block:

- Engine sounds off: The engine may sound rough, like a diesel, or be excessively noisy overall.

- Engine misfires: The engine may misfire, especially at idle or low RPMs.

- Engine performance drop: The engine may lose power and be less responsive.

- Backfires: The engine may backfire, which can sound like a loud pop or explosion.

- Check Engine Light: The Check Engine Light may come on, and trouble codes related to timing may be stored in the computer's memory.

It's important to note that these symptoms can be caused by other issues as well, so it's important to have the engine diagnosed by a professional mechanic if you suspect the timing chain has jumped.