G072=3.90's usually in 80 models
G082= rare
the "TWISTYSpecial"
G102= 4.37's ME and most 79 models with the L43
G142or144 4.88's wish i could find one
G252 = 4.56 saw one in a 90ish runner but the chic slap refused to let me have them
G282 common in automatic 4.30's
G292, most common 4.10's
T382= my 80 celica 3.43 ratio 6.7"ringgear
F292= ifs front axle 4.10 ratio 7.5"ringgear or 2wd truck 7.5 ring gear