the same way all modern combustion engines work with fuel ,compression, and ignition
The chart I have says it's a 1969 307 built in Flint, MI on November 9.
one of them will go in the water pump and the other will go in the intake
they alow the motor to take in more air via intake and evacuate more air via exhaust. thus creating more power. in short the more air and fuel you can move through a motor EFFICIENTLY the more power...
Cylinder head bolts are 65 FT. LBS.
Groovin' Blocks Gameplay Trailer
Car Engine Cylinder Block: Main Structure
Car Engine Configuration and Types
ShadowMan - 70 Asylum: Engine Block - Console Room 2 - Part 2