Quote:
Originally Posted by 72LuxuryLeMansLa.
jray,
Splain this to me again? By "crossover" do you mean the timing cover return fitting? The stock way my '72 is set up is as follows; the passenger side head has a fitting at the rear that feeds the heater core, the heater core then sends the water to the return fitting on the timing cover. The driver side head has no external water flow. To bypass the heater core I run a heater hose from the rear of the passenger side head to the timing cover return.
Karl
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Right now I have the hose out the back passenger head that goes to the heater core t'd So it goes from the back of the head to the passenger side of the intake. With a vintage air system there is an electric valve that doesn't open to let the hot water thru to the heater core until u turn it on heat. I was afraid the lack of flow here could have been part of my problem.