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What is the timing order on a 1957 case 300 tractor 300?

1. Top Dead Center (TDC):

- Piston #1: TDC of the compression stroke

- Piston #2: TDC of the exhaust stroke

- Piston #3: BDC of the exhaust stroke

- Piston #4: BDC of the intake stroke

2. Valve Opening and Closing:

- Intake valve opens: 10° BTDC

- Intake valve closes: 45° ABDC

- Exhaust valve opens: 40° BBDC

- Exhaust valve closes: 10° ATDC

3. Spark Plug Firing:

- Spark plug fires: 10-12° BTDC

4. Valve Overlap (VVO):

- VVO occurs when both intake and exhaust valves are open simultaneously. This is the period between exhaust valve closing and intake valve opening.

It's important to follow the specified timing order and values to ensure proper engine operation, smooth performance, and maximum efficiency of your Case 300 tractor.