Quote:
Originally Posted by Kube
Can't answer for '37. However, '38-'41 heads are right and left. Water passages are not the same between the two.
They will "fit" either side but not be proper.
There will be no issue with valve clearance. Engine will run just fine with heads fitted incorrectly. Difference in cooling???? I don't have any data on that.
When concourse judging these cars it is quick to see whether or not the cylinder heads are installed properly left / right. The cast part number should always be closest to the dash panel (firewall). If the number is near the front of the engine, the heads are installed incorrectly.
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I believe it was K W that made the tool for modifying the combustion chambers on these heads for valve clearance so they could be used on either side.
Bill