mfg Posted December 28, 2022 Report Share Posted December 28, 2022 In 1960, the main reason the Granatellis decided to modify the then existing 'McCulloch' Supercharger and develop the 'Paxton' version was because.......?....... .. Link to comment Share on other sites More sharing options...
pantera928 Posted December 28, 2022 Report Share Posted December 28, 2022 THey wanted more boost Link to comment Share on other sites More sharing options...
mfg Posted December 28, 2022 Author Report Share Posted December 28, 2022 56 minutes ago, pantera928 said: THey wanted more boost Sorry, that's not the reason! Link to comment Share on other sites More sharing options...
silverstude Posted December 28, 2022 Report Share Posted December 28, 2022 get rid of the variable pulley and improve the drive balls and races.. Link to comment Share on other sites More sharing options...
Dwight FitzSimons Posted December 28, 2022 Report Share Posted December 28, 2022 Cost reduction? --Dwight Link to comment Share on other sites More sharing options...
Gunslinger Posted December 28, 2022 Report Share Posted December 28, 2022 Simplification and reliability. The Granatellis found a primary reason for failure was lack of uniformity of the planetary balls and tightened quality control to improve reliability. Link to comment Share on other sites More sharing options...
mfg Posted December 28, 2022 Author Report Share Posted December 28, 2022 40 minutes ago, silverstude said: get rid of the variable pulley and improve the drive balls and races.. True!... but probably not the real motivation Link to comment Share on other sites More sharing options...
mfg Posted December 28, 2022 Author Report Share Posted December 28, 2022 38 minutes ago, Dwight FitzSimons said: Cost reduction? --Dwight That's true..but not the actual motivation! Link to comment Share on other sites More sharing options...
mfg Posted December 28, 2022 Author Report Share Posted December 28, 2022 33 minutes ago, Gunslinger said: Simplification and reliability. The Granatellis found a primary reason for failure was lack of uniformity of the planetary balls and tightened quality control to improve reliability. Definitely true, however I believe they had a stronger motivation! Link to comment Share on other sites More sharing options...
mfg Posted December 28, 2022 Author Report Share Posted December 28, 2022 HINT...The compact car craze! Link to comment Share on other sites More sharing options...
mfg Posted December 29, 2022 Author Report Share Posted December 29, 2022 (edited) ANSWER (well, opinion) The Granatellis wanted to sell superchargers, and with all the compact cars being introduced by various manufacturers in the early sixties they realized the smaller engines in these compacts would really benefit from forced induction....Problem was, the vari-speed McCulloch design was simply too large...thus the 'SN' (short nose) Paxton was designed and introduced..and it turned out to be quite a success. Edited December 29, 2022 by mfg added text Link to comment Share on other sites More sharing options...
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