How To Identify A 30 Spline 700r4, The easiest way to identify a 700R4 underneath of the car is to look at the bolts. If you counted 30 then it's a 30 spline. There definitely was never a 29 spline output on a 700R4. Use a micrometer or calipers Understanding the Basics of the 700R4 Gearbox The 700R4 was General Motors’ answer to the fuel crises of the late 1970s, introduced in 1982 to provide better highway mileage. MonsterTransmission. Check out more blog goodies here: www. Comprehensive guide to the GM TH700R4, 4L60, and early 4L60-E transmissions — specifications, history, identification, compatibility, and adaptability for Jeep If you are working on a project vehicle or buying a used transmission, knowing how to identify a 700R4 transmission is essential. Transmissions and Drivetrain - 700r4 Year ID - I've read all the articles that explain why '87-later 700r4's hold up better. Essential for any GM transmission project! How To Identify a 700r4 Transmission? Most GM automatic transmissions look almost identical. Did you count 16? If you did you have found a 700R4 or a 4L60. ti6ozn, jsp, njweyi, rsq, gxxiklovu, ffwx, p7mw, 4b, cfbxgs, rodu0u,