No difference in length between cars and trucks. Same gear ratios. Same drive shaft. There will be a difference on the side cover in the clocking position and the length of the shifter shafts between cars, trucks, and years.
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