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What is the timing for a Chevy 305?

Initial timing:

* Stock: 0 degrees BTDC

* Performance: 4-8 degrees BTDC

Total timing:

* Stock: 36 degrees BTDC

* Performance: 38-42 degrees BTDC

Spark plug gap:

* Stock: 0.035-0.045 inch

* Performance: 0.045-0.055 inch

Dwell:

* Stock: 30-32 degrees

* Performance: 28-30 degrees