Why was the GX550 named "550"? Plus the main bearing issue of Toyota's 3.4L (3.5L) twin turbo V6. A fair, comprehensive technical review of V35AFTS, Toyota's new flagship engine for Land Cruiser 300, Tundra, Sequoia, LS500, LX600 and GX550.

Link to SAE paper for V35AFTS:
https://www.sae.org/publications/tech...

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0:00 What GX"550" Stands For
1:37 Crazy High Torque
6:50 OverStressed?
12:18 Real World Reliability