Quote:
Originally Posted by 19Fordy
tubman, I am sure you are aware that there was a redesign of the original 8BA head gaskets to actually divert more water to the rear of the block. Wonder if that creates a temperature differential?
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I knew that, but that's a difference from front to back. What I was thinking of is holes on one side bigger that the other.
"JSeery", I'm not too familiar with the earlier flatheads, but the Ford engineers made some pretty sophisticated changes in water distribution on the 8BA's for cooling purposes, why not to make the heater work better?
Please note : This is all speculation on my part, but it would explain this often observed phenomena.