WebSuccessor. 4L60-E/4L65-E. 4L80-E/4L85-E. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse. Web25 Oct 2012 · The 700r4 with a 4.11 will have a markedly steeper first gear than your old TH350 with the 4.11. The shorter first gear of the 2004R with a 3.73 equates to about a 4.06 rear with the TH350. If you have a street/strip car, the 3.73 will work great and still give you a steeper launch than your old combo.
TH350 Vs TH400 Vs 4L60E Vs 700R4: Which Is The Best? - Chevy …
WebThis is compared to the 700r4 which takes a longer shape than a rectangle. The 16 bolt 700r4 transmission with a varying length of 23 3/8 inches and a 155 pounds weight, making it heavier than the 120 pound Th350 transmission. Winner: 700r4. 2. Overdrive. Web19 Jul 2006 · A TH350 has larger intermediate frictions and steels than a TH400, much greater surface area. The forward and direct clutches are of similar size between the two units. A TH400 uses a low band, a TH350 uses clutches. 5 or 8 clutch pack makes little difference in the amount of drag, why would it be of huge concern in a 'glide in the high … goshawk crescent
Picking The Right Automatic Transmission - How It Works
Web29 Apr 2005 · The 400 is better. The 350 has about a 2.75:1 first gear ratio. The 400 has about a 2.5:1, so the 350 has a bit more power off the line in first gear. But as, stated, the 400 is stronger. When the torque converter is factored in, according to Chevrolet, the 400 first gear ratio is 5.2:1. Web31 Mar 2024 · The TH350 was GM’s go to transmission for light duty vehicles for at least 20 years. Beginning in the early nineties, the 4L60E began to be the go to transmission for GM light duty cars and trucks. … WebThis article will compare and contrast four distinct GMC transmissions-TH350, TH400, 4L60E, and 700R4 based on standard performance specs. GM TH350 (or ‘Turbo 350’) The TH350 is a 3-speed transmission with a higher 1st gear ratio (2.52:1) and a provisional 2nd gear, facilitating enhanced initial momentum for drag racing and everyday driving. chico\\u0027s south lake tahoe