The gearing is a big part of it, and the drag coefficient compared to a
Tiger as well, but as much as I hate to say it, my impression is that
GM has done an incredible job optimizing the efficiency of the good ol'
smallblock pushrod V8.
I mean really... my Miata does not get 32 mpg highway, (though I'm sure
some do).
--- CoolVT@aol.com wrote:
> After reading a recent article on a Corvette it caused me to do some
>
> thinking. How is it that a 3500lb.(approx.) Corvette with 400 HP can
> get 32 mpg on
> the highway and a 2500 lb. Tiger with 164 HP can only manage 22mpg?
> I realize that the Vet will have a fuel management system which
> should be
> much better than a carb. and the cleaner front lines of the Vet will
> be much
> better for drag than a Tiger, but.......
> When a few people have switched a fairly modern Ford 5.0 (fuel
> injected)
> engine into their Tiger, I've never heard them brag of 30 mpg.
> And sure, the Tiger is like a brick wall as far as design goes, but
> it's not
> like a van or a big truck. The aerodynamics might be terrible, but
> this is
> still a pretty small car and the frontal area is not huge.
> Also, I think the Vet is 6 speed with double overdrive. I imagine
> that at
> road speed this thing isn't much above idle...maybe 1,400 rpm? By
> today's
> standards our Tiger is really winding at 3,000 rpm at 70mph.
> So, what is the Vet's secret? Is it just a combination of many
> small things
> adding up to create efficiency?
>
>
>
>
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> _______________________________________________
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>
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