VCDS engine Torque

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VCDS engine Torque

Postby Jannik07 » Sat Jan 30, 2021 11:29 pm

Hello there,

in the advanced measurements of VCDS is can check "engine Torque".
Someone experienced how exact it is to real world?
A friend of mine has a Seat Leon with the 150hp engine and in the datasheet it says it has 320NM of torque. But VCDS says it has 390nm. Maybe its already tuned?

Greetings
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Re: VCDS engine Torque

Postby Lambda1 » Sun Jan 31, 2021 2:47 pm

only calc values... friction... did rest.
If you want to know power you can calc em by measuring some stuff like 60-120, 100-200, 80-160 to get some intervalls + use several corrections you measured to do it with more precision. Or go dyno.

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Re: VCDS engine Torque

Postby Jannik07 » Sun Jan 31, 2021 9:31 pm

Thanks for your answer,

I noticed on BMW cars that the shown value is quite near the reality or the datasheet.

In VAG its not =(

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Re: VCDS engine Torque

Postby jurebv » Mon Feb 01, 2021 8:26 am

inner torque before losses, same for bmw or vag, means nothing , only mg of fuel (injected quantity on vcds) matters , that is if duration map is not cheated / decalibrated

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Re: VCDS engine Torque

Postby DW1976 » Mon Feb 01, 2021 9:37 am

hi
only shaft torque
regards

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Re: VCDS engine Torque

Postby Jannik07 » Mon Feb 01, 2021 4:03 pm

is there a good formular to calculate torque from IQ ?

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Re: VCDS engine Torque

Postby jurebv » Mon Feb 01, 2021 10:01 pm

roughly mg x 1.5 x number of cylinders x engine efficience

example 60mg x 1.5 x 4 x 0.85 = roughly 306nm

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Re: VCDS engine Torque

Postby Jannik07 » Tue Feb 02, 2021 10:12 am

Thanks !

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