View Full Version : how accurate is vag-com torque measuring block (120)


alipor
03-12-2003, 03:14 PM
I have APR stage 1+ 93 oct. and the max torque i get is 311nm which is about 229lb-ft of torque..any one have any ideas. or is the vag-com correct.

kenny (dremel)
03-12-2003, 04:36 PM
with a negative ~10-20% deviation from what it should be... which would make the readings VAG-COM is showing you slightly higher (+5% from my experience) than your "real" wheel hp.

after chipping, vag-com kinda freaks out taking readings. the only way to accurately gauge is to (obviously) go to a dyno, you won't get very accurate readings. also i think the larger the readings (ie, if you read 350nm as opposed to 311) i think the margin of error becomes larger (as it is based on stock chip readings, not tuned ECU readings)

make sense? probably not from my explanation =)

alipor
03-12-2003, 04:59 PM
that the vag com will be accurate.?

kenny (dremel)
03-12-2003, 06:15 PM
coocoomike tried reverting to "stock" mode with the APR ECU and it didn't make any difference - the numbers were still off. all the numbers are based on stock "estimates" - but once the ECU is modified (soldered, re-programmed) then it's all over for accurate block 115 readings =) at least imho. good luck.

alipor
03-12-2003, 07:32 PM

DarinS4Turbo
03-18-2003, 03:55 PM
but typically I just log airflow and timing (block 003) - they are the basic inputs into this torque calculation anyway.

kenny (dremel)
03-23-2003, 06:40 PM
I'd be very interested in that. Thanks!