I don't believe total gear ratios are determined by multiplying the transmission gear ratios times the rear end ratio but by adding the ratios. IE: 2.94 x 4.11 = 12.08 should be 2.94 + 4.11 = 7.05. Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes 1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes 2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans 1947 Willys CJ2A w/F-Head engine