Hi Scotty,
1) Do you think if the new Tundra had the 5.7 V8 with the new 10spd auto transmission and 3.31 Rear end that it would get the same MPG has the new Twin Turbo V6? (I think it would be damn close)
2) How can two engines in the same car have same the MPG, but produce more/less emissions? Example: Toyota is dropping the 3.5l V6 from the Highlander and replacing it with a 2.4L Turbo. They have the same fuel economy but the V6 produces (evidently) a lot more emissions.
Thanks for all you do! You've taught me so much- can't thank you enough!
-Brandon
How can two engines in the same car have same the MPG, but produce more/less emissions?
Because emissions and efficiency (MPG) are two different things.
- Efficiency is how much useful energy you extract from gasoline to make the car go.
- Emissions simply means air pollution.
Even though there can be strong correlation between the two, certain advancements affect one more than the other.
Thank you!
I was thinking reducing emissions has to also be related to the size (displacement) of the engine. My understanding is the engine is essentially a vacuum pump and then therefore the higher the displacement engine the more "volume" of green house gases it produces- even if it has the same efficiency as a smaller displacement engine.
I still wonder if the 5.7 V8 in the Tundra would achieve the same efficiency as the new Twin Turbo V6 if it had the 10 spd trans and 3.31 rear end
Yes displacement is a big part of it but there are also many other factors