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Old Jul 18, 2005 | 11:55 AM
  #38  
Stu @ M Developments's Avatar
Stu @ M Developments
PassionFords Creator
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Joined: May 2003
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From: Blackpool, UK Destination: Rev limiter
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Originally Posted by rsdene
Originally Posted by MADRod
Mostly run 650bhp & driving fast i get about 16mpg thats about 190miles from a tank. If i take it very easy on low boost have got 21mpg so 250miles to the tank.
Rod

you'd think it would eat fuel ! ! !

When cruising, a well mapped engine will consume 15 x more air than fuel

When going hard, this drops to around 11x more air than fuel.

Most of your horsepower comes from the consumption of oxygen, not fuel, in a laymans sort of way......

Rods is obviously well mapped.. ive seen Stage 3 Escort Cossies doing less than 10mpg at 40mph in 5th, with no faults
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