mfg Posted March 29, 2014 Report Share Posted March 29, 2014 I recently purchased a drive pulley for a Paxton SN supercharger. It takes a single wide belt. But unlike the factory R2 Super Hawk and Super Lark single belt pulleys, it is smaller in diameter, and has STUDEBAKER in block letters cast on it (cast iron pulley) Was this pulley made by Paxton for custom Studebaker applications? It's new, and has never been installed on a supercharger. Link to comment Share on other sites More sharing options...
mfg Posted March 29, 2014 Author Report Share Posted March 29, 2014 I have to double check the material the above described pulley is made of. It feels heavy, but may actually be made of aluminum. Link to comment Share on other sites More sharing options...
Gunslinger Posted March 29, 2014 Report Share Posted March 29, 2014 R3? I've seen the R5 and it has a single wide belt. It's possible it's not a stock, production pulley and was made by Paxton for a specific purpose. Does it have an identifiable Studebaker part number stamped into it? If not, it could well be a Paxton test or proof part. Link to comment Share on other sites More sharing options...
brad Posted March 29, 2014 Report Share Posted March 29, 2014 Paxton was a division of Studebaker. Perhaps made in the same time period of ownership? Link to comment Share on other sites More sharing options...
mfg Posted March 29, 2014 Author Report Share Posted March 29, 2014 Thanks men. I'll check this pulley out tomorrow and see what it's made of, and if it has a part number on it. Link to comment Share on other sites More sharing options...
mfg Posted March 30, 2014 Author Report Share Posted March 30, 2014 Checked out this NOS pulley today. It is definitely made of cast iron. It has a 4 3/4" outside diameter, STUDEBAKER in 1/4" block lettering around the input shaft hole, (at the front), and what looks to Me like a studebaker part number on the front......1562596. Is this actually a standard R2 Super Lark-Super Hawk supercharger pulley? To Me it still looks smaller in O.D. than a standard single groove R2 pulley...but I'm only guessing about that. Link to comment Share on other sites More sharing options...
Gunslinger Posted March 30, 2014 Report Share Posted March 30, 2014 It's not listed in the Avanti parts manual. I don't have a Hawk/Lark manual but it would make sense it's for that application and not an Avanti. Standard or operational high performance pulley I can't say. Link to comment Share on other sites More sharing options...
mfg Posted March 31, 2014 Author Report Share Posted March 31, 2014 Would anyone on this forum have the Hawk/Lark parts manual Gunslinger refers to? I'd sure like to know if this supercharger drive pulley is listed as the standard pulley, optional pulley, or what? Once again, the Stude? part number on it is # 1562596 Link to comment Share on other sites More sharing options...
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