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1957 FORD 312 V8 ENGINE
TUNEUP SPECIFICATIONS

1957 Ford

Spark Plug Make: Champion F-14-Y
Spark Plug Gap, Inch: .034
Firing Order: 15486372 (from front to rear: Right 1-2-3-4; left 5-6-7-8
Ignition Timing: Marks on Vib. Damp. Damper has 5 timing marks covering range from TDC to 9° BTDC in 2° increments. Set timing at 4° w/standard trans. at 6 degrees with automatic trans.
Engine Idle Speed, RPM: Manual shift trans. 475; automatic shift trans. 475
Compression Pressure & Cranking Speed: 155 Min.

Cam Angle, degrees: 26-28
Breaker Gap, Inch: .015
Condenser Capacity: .21-.25 Mfds.
Breaker Arm Spring Tension: 17-20 Oz.

Distributor Vacuum Advance Data:
Centrifugal Advance:

Part No. B7A-12127A:
Centrifugal Advance Data (Degrees @ RPM of Dist.)
Advance starts: 1-1/4 @ 425
Full Advance: 17-1/2 @ 2000
Vacuum Advance Data
Inches of vacuum to Start Plunger movement: 5
Inches of vacuum for full plunger travel: 20
Maximum vacuum advance, Dist. degrees: 11

Part No. B7A-12127D
Centrifugal Advance Data (Degrees @ RPM of Dist.)
Advance starts: 1 @ 450
Full Advance: 12-3/4 @ 2000
Vacuum Advance Data
Inches of vacuum to Start Plunger movement: 5
Inches of vacuum for full plunger travel: 20
Maximum vacuum advance, Dist. degrees: 12

1957 Ford Production Statistics
1957 Ford Original Prices
1957 Ford ID Numbers
1957 Ford Engines