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Old 02-28-2013, 03:37 PM   #256 (permalink)
Vekke
Mechanical engineer
 
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Join Date: Jan 2009
Location: Kitee (Finland)
Posts: 1,272

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)
Thanks: 270
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My drag is about 35% lower so basically I would need 35% taller gearing. At the moment 100 km/h or 62 mph is 1950 rpm. If I am lucky I will get custom main gear price >1000€. My tires are 7% taller and there are no taller gears available for this gearbox.

If I have to use current gearbox I have to do more P&G driving to get better engine efficiency.
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Vesa Tiainen innovation engineer and automotive enthusiast
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