Mid Mod Guy Posted January 20, 2020 Report Share Posted January 20, 2020 My 1963 R2 had the supercharger removed at a Studebaker dealership early on, and air conditioning was installed instead. In a recent conversation with the knowledgable folks at Myer Studebaker parts, they asked me if the head was replaced when the supercharger was removed. I don't know the answer to that. They said that I can look at the raised numbers on the head and if it ends in 582 it is a head from an R2 and if it ends in 570, it is the head from an R1. Can someone describe exactly where I should look for that number? Thanks for your help. Link to comment Share on other sites More sharing options...
PackardV8 Posted January 20, 2020 Report Share Posted January 20, 2020 It will be the casting number above the two center exhaust ports. Verify both heads. jack vines Link to comment Share on other sites More sharing options...
mfg Posted January 20, 2020 Report Share Posted January 20, 2020 I'd bet the original R2 heads were left on the engine.....not a bad thing as the 9-1 compression ratio afforded by those heads is just about 'right' for today's gasoline!..Ed Link to comment Share on other sites More sharing options...
Mid Mod Guy Posted January 20, 2020 Author Report Share Posted January 20, 2020 (edited) 3 hours ago, PackardV8 said: It will be the casting number above the two center exhaust ports. Verify both heads. Can you be more specific about where to look? Do I need to remove anything to see the number? I found the number you can see in the attached photo, but I don't think that's it since it doesn't end in 582 or 570. Edited January 20, 2020 by Mid Mod Guy Link to comment Share on other sites More sharing options...
regnalbob Posted January 20, 2020 Report Share Posted January 20, 2020 Maybe this will help. Link to comment Share on other sites More sharing options...
studegary Posted January 21, 2020 Report Share Posted January 21, 2020 3 hours ago, Mid Mod Guy said: Can you be more specific about where to look? Do I need to remove anything to see the number? I found the number you can see in the attached photo, but I don't think that's it since it doesn't end in 582 or 570. The casting number pictured is on the block, not on a head. Look midway on the head, like in Bob's picture. Link to comment Share on other sites More sharing options...
mfg Posted January 21, 2020 Report Share Posted January 21, 2020 The casting number you are looking for will be at the center of the three central cylinder head bolts, which are arranged in a' pyramid'.....(and NOT under the rocker arm cover!) Link to comment Share on other sites More sharing options...
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