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Old 01-20-2011, 03:07 PM   #18 (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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Quote:
Originally Posted by Weather Spotter View Post
i have experience with the OEM on power steering systems. The short answer is removing it should net you ~2MPG. Most cars can work without any power steering but if you must have assist go electric. it costs $500 more new (to the OEM) but they claim it helps the MPG by 2 and drops about 30# of weight.
I just took the powersteering belt off. Easier to test that way do you need the steering or not. I did not need it with my arm forces, but I am a quite big guy...

Non powersteered rack migh have different gearings still so you need to test a car with no powersteering and make your decicions after that.

On my car the effect was minimal 0.1-0.2 liters.
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