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Old 10-17-2014, 08:03 AM   #11 (permalink)
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Couldn't tell you.

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Originally Posted by sheepdog44 View Post
Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%

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Old 10-17-2014, 09:54 AM   #12 (permalink)
Not bad for a machine
 
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Maechunbu - Retired - '00 Kia Sephia 1.8I4 16VDOHC
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It might be true but who cares? It can't be much fuel and no where near enough to be able to prove it makes any difference on a full tank MPG. Maybe in a lab you can prove it but never IRL.
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Old 10-17-2014, 11:26 AM   #13 (permalink)
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It's not a question of inefficiency because you're not under load, so any gas injected is wasted anyway. That's why we're shutting the engine off in the first place. The problem is unburned fuel in the cylinders on startup- either too much when you finally get spark back or unburned fuel going out the exhaust valves.

If either situation were an actual problem then at least one of the car's sensors would find something to complain about or we'd have a lot of catalytic converters going bad here.

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Quote:
Originally Posted by sheepdog44 View Post
Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%

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