ATTACK OF THE GRANNY TRANNIES (TAHRC-075) | IRON OCTOMOMS | THIS AINT HEAVEN RECORDING CONCERN. this aint heaven recording concern gm sm465 transmission to jeep 4.0 - Comanche Club Forums
: A later, slightly larger version commonly found in GM trucks from the late 60s through the early 90s. BorgWarner T18/T19 granny trannies
: The term has appeared in music titles, such as the 2015 EP "Attack Of The Granny Trannies" by Iron Octomoms. ATTACK OF THE GRANNY TRANNIES (TAHRC-075) ATTACK OF THE GRANNY TRANNIES (TAHRC-075) | IRON
: Heavy-duty gearboxes frequently used in Ford and International Harvester trucks. New Process 435 (NP435) ATTACK OF THE GRANNY TRANNIES (TAHRC-075) : Heavy-duty
: The first gear ratio is exceptionally high (often around 6.5:1 or 7.0:1), providing immense torque for starting heavy loads or crawling over obstacles.
: These units are known for being massive, heavy, and extremely strong compared to standard passenger transmissions. Popular Models
: In daily driving, these are typically operated as three-speed transmissions. Drivers start in second gear because the "granny gear" is too low for normal acceleration and often requires the vehicle to be nearly stopped to engage.