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grendel

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Posts posted by grendel

  1. with cars I can say that larger lower horsepower engines give better economy than smaller higher horsepower, take the example of 2 Volvos I have owned, one was a 2.0 litre turbo, on a smaller car, this averaged at 32mpg (if I was careful), my current, bigger- heavier Volvo with a 2.5 litre engine (no turbo) gives me an average of 36mpg on the same run (as most of the time it is doing less work to keep me moving)  The actual BHP for the two vehicles is practically identical (that is pulling power vs weight, or towing power) as both are capable of towing my caravan easily. Neither has as good economy as the Volvo before those with a small 1.4 litre lean burn Mitsubishi engine which could average over 45 mpg on the same run, but then that couldn't tow my caravan (to be honest it sometimes struggled to pull itself).

    sometimes that bigger engine can deliver the same power with less effort and thus gets the better economy.

    (well that's how I see it anyway)

    Grendel

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