- My Forums
- Tiger Rant
- LSU Recruiting
- SEC Rant
- Saints Talk
- Pelicans Talk
- More Sports Board
- Fantasy Sports
- Golf Board
- Soccer Board
- O-T Lounge
- Tech Board
- Home/Garden Board
- Outdoor Board
- Health/Fitness Board
- Movie/TV Board
- Book Board
- Music Board
- Political Talk
- Money Talk
- Fark Board
- Gaming Board
- Travel Board
- Food/Drink Board
- Ticket Exchange
- TD Help Board
Customize My Forums- View All Forums
- Show Left Links
- Topic Sort Options
- Trending Topics
- Recent Topics
- Active Topics
Started By
Message
re: New 2023 Toyota Sequoia
Posted on 1/26/22 at 7:44 pm to AndyCBR
Posted on 1/26/22 at 7:44 pm to AndyCBR
quote:
Turbocharging technology can be reliable when mated to engines designed for it since square one (low compression diesels) but it’s basically an OEM power adder in these applications.
That is inaccurate. This 3.4l (they call it s 3.5l) i-Force V-6 is a ground up new engine designed for boost. The whole "high compression" that doesn't play nice with boost is a sad old cliche.
From what I have read they built a smart turbo motor with a ton of attention to cooling both in the heads with a dual-layer water jackets and lots of attention to combustion chamber cooling. They did a lot of valve seat and valve engineering for reliability and they are also using a water-to-air intercooler. Also, note they are using direct injection which has excellent flame travel and runs at cooler cylinder temps.
These engines are complex with turbos, variable valve timing, and all the associated electronics but so are pretty much every engine built today save for a few old dinosaurs. There is zero reasons a 10:1 compression turbo engine can't be designed and built to last 300-400k with little internal issues. If you had to bet on a manufacturer doing it well Toyota is near the top of the pile. Toyota tends to advance at (in the car industry) a glacially slow pace and the reason is tested engineering and QC which results in a great reliability and dependability reputation.
Posted on 1/26/22 at 9:07 pm to Obtuse1
quote:
Force V-6 is a ground up new engine designed for boost.
That's enough for me to make a hard pass. I'm guessing this vehicle will run north of 60K if not more. That's a lot of money to spend to beta test a new engine.
Posted on 1/27/22 at 3:30 am to Obtuse1
Your points are well taken but the fact is that the long term reliability of this engine will be lower than the 5.7l V8.
I’m on the Toyota bandwagon and I own 2 but Toyota isn’t immune to the laws of physics.
There’s more shite to break, period.
2x as many places for exhaust leaks. 2x as many places for intake leaks. 2x as many places for oil leaks. More moving (and non moving) components that are subject to wear and failure. More controls and electrical components. Higher underhood temperatures. Etc.
I’m on the Toyota bandwagon and I own 2 but Toyota isn’t immune to the laws of physics.
There’s more shite to break, period.
2x as many places for exhaust leaks. 2x as many places for intake leaks. 2x as many places for oil leaks. More moving (and non moving) components that are subject to wear and failure. More controls and electrical components. Higher underhood temperatures. Etc.
Popular
Back to top
Follow TigerDroppings for LSU Football News