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Old 08-17-2020, 03:32 AM   #5 (permalink)
Vekke
Mechanical engineer
 
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Join Date: Jan 2009
Location: Kitee (Finland)
Posts: 1,244

Siitin - '98 Seat Cordoba Vario
90 day: 58.56 mpg (US)

VW Lupo 3L --> 2L - '00 VolksWagen Lupo 3L
Diesel
90 day: 104.94 mpg (US)

A8 luxury fuel sipper - '97 Audi A8 1.2 TDI 6 speed manual
90 day: 64.64 mpg (US)

Audi A4B6 Avant Niistäjä - '02 Audi A4b6 1.9tdi 96kW 3L
90 day: 54.57 mpg (US)

Tourekki - '04 VW Touareg 2.5TDI R5 6 speed manual
90 day: 32.98 mpg (US)

A2 1.4TDI - '03 Audi A2 1.4 TDI
90 day: 45.68 mpg (US)

A2 1.4 LPG - '02 Audi A2 1.4 (75hp)
90 day: 24.67 mpg (US)
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Yes I do the programs myself for vag tdis. I have a feeling that I have done more testing on my ecu maps for efficiency than other companies that make programs. To have this constant IQ level is the best way I know at the moment to do on road testing as it rules out even more errors than the stopper systems. With constant IQ you can test also on hily courses/roads. where I live the problem was that the longest straigth level road sections are only 1-2 km long...

Not all cars are being able to be programmed so that stopper method works also much better than just using your rigth foot to adjust the throttle. Specially if you have flat test ground to do testing it works really well.
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