Bob's Resource Website (2007)
(Transmission Info)
Transmission Conversion data....General Info
T700-R4 adjustment data .....my experience
T700-R4 assembly sections.....pictures / info
GM Turbo Hydra-matic transmission brief ID course:
T - Turbo Hydra-matic (THM)
T200 - No separate tailhousing, light duty 3-speed
T200-4R - No separate tailhousing, 4-speed overdrive (.67:1), no modulator
T350 - Four bolt tailhousing, 3-speed, vacuum modulator at rear of case
T400 - Six bolt tailhousing, super duty 3-speed, vacuum modulator near filler tube
T400R4 - Six bolt tailhousing, super duty 3-speed with overdrive, vacuum modulator. Used in Trucks
T700-R4 - Four bolt tailhousing, 4-speed overdrive (.7:1), no modulator, AKA T700, 4L60 (not Corvette)
4L60 - Non-Electronic version of 700R4 ( late 80's - early 90's, Camaro & Corvette)
4L60E - Electric shift version of T700, must have a computer to operate
4L80E - Six bolt tailhousing, super duty 4-speed (.75:1), no speedo, computer required. Actually an electronic T400R4.