Intake
The Street Version of the Engine uses a Home Made Tri-Power with three 2bbl Holley Carbs that are Sequential each with a Primary and Secondary. Both the Intake and the Carbs are Water heated with engine coolant tapped off from the Thermostat Housing.
Some may not know the the 69 OHC-6 engines use a different Thermostat Bypass system than the 66-68 engines. They do not normally have the Bypass Block between the cam cover and the Thermostat housing. This engine uses a modified Block with an enlarged 1.4" Coolant tap. The Coolant goes first to the front of the log Intake, runs down its length, then exits and goes to manifold that feeds all 3 carbs, rear to front, then tees into the heater core return Hose.
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Jeff R
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