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Im sorry, I really should have taken a picture of the back side. I may have it on my phone, but its been acting up. Ill look and see.

Kasey



There's a good write up at monarchs.com. by 40ford about smallblock cooling. Basically said the the stock pump and housing start to cavitate at a certain rpm and hardly any water flow . Weld a 5/8 plate of aluminum to the timing cover were the water pump sits and no cavitation.