I see many confused about the direction of flow of the block holes. The water flows out the stat, or when the stat is closed, circulates in the block/heads/core/pump areas.
So, if the cross-over bypass is blocked and the heater hose return to water pump Timing cover is blocked, and a thermostat installed, there will be no circulation in the block before thermostat opens? So then you have potential for the water pump cavitation. Thank you. What are your thoughts?
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick.
Best so far 10.12@133 mph. 1.43 60 ft.
76 Trans am, TKX .81 o/d, 3.73 Moser rearend,
468 with KRE D-ports, Doug headers, 3" Exh.
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