Kvin C Posted December 17, 2010 Report Share Posted December 17, 2010 Although a very happy user and a disciple of the 4.10 rear gear in my SGT, I am curious as to why the 3.90 rear is not more poular today. As evidenced by many posts here, a lot of guys "fear the gear" and, while cognizant that the 3.73 is a marginal improvement over their stock 3.55 (at least in an N/A application) , are clearly hesitant to make the larger leap to 4.10s. As a pimply-faced teen in the 'sixties, I recall the 3.90 to be the hot set-up! Why has the 3.90 fallen out of favor? (And I realize that non-FRPP gears have a "whiney" rep, isn't that more a function of the manufacturer rather than the ratio itself?) Just curious..... Link to comment Share on other sites More sharing options...
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