This from a Ford manual I have.
These values apply to 226 Six and Flathead V8s
ENGINE
1946-48 PASS. CARS & TRUCKS
TIGHTENING SPECIFICATIONS
1946-48 MODELS Ft. Lbs.
Cyl. Head Nuts Cast Iron Head 50-60
Cyl. Head Nuts Alum. Read 35-40
Con. Rod Nuts Castellated 35-40
Con. Rod Nuts Self-locking 40-45
Main Bearing Nuts & Bolts 80-90
Flywheel Capscrew self-locking 80
Flywheel Capscrew wired 65-70
Spark Plugs 25-30
Hi, I would plasti gauge the bearings for optimum clearance, rather than just go by a torque spec. You might be surprised at how clearance is good at the low range of torque spec and gone at the high end of torque spec. Good luck
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