Originally Posted by R/T1968R/T
Just fixed a 440 that had a marine impeller on the water pump. The impeller was made to spin backwards. Double check the direction its facing. Here's a reverse one!


FWIW I put a Milodon HV pump on my car recently and it's reversed compared to the one I took off. I then compared the one I took off to two other old ones I had and they are all oriented the same way.

The Milodon part number was clearly marked for CW rotation. I got it from Mancini. https://www.manciniracing.com/brbhigvolwat.html


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69 road runner A12 ex-racer
71 Duster w/ a 400

Shiny paint causes stress.