I am not sure your radiator is going to be big enough. For a 20 minute break-in of a new engine, there is a lot heat, I use the biggest GM radiator I could find for my Pontiac test stand, and even it's not enough. For just messing around running an engine, it might do all right.

Joe
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Last edited by Joe H; 12/29/2018 11:18 PM.
1937 Chevrolet Inline-powered Streetrod