[Shotimes] Daytona 500 & NASCAR HP

[Zach Leahy]

Mark...

takes my SHO forever to go from 70mph to 170mph as well.

:)

Z


On 2/21/06, Mark Nunnally <marknunnally@joimail.com> wrote:
>
> >Yeah, I was under the impression that NACAR engines were 650+. I don't
> see
> >where 450 HP can get those barn doors around the track at 200+, when a
> >much-more aerodynamic Corvette with an underrated 505 HP can't get to 200
> >mph.
>
> Burton's pole speed was 189.151.  That's WOT, all the way around.  Things
> like 0 weight oil in the motor and tranny, and water in the diff and wheel
> bearings ;)  They even push the pistons in the calipers all the way in and
> clip the pads back so nothing is touchign the rotors.  Anything to go
> through the air better.  Corner and straight away speeds don't vary more
> than 1-2 mph there, so that's basically all those things will run with a
> plate.  They don't top 200+ mph, even in a draft of cars.  About 195 is
> about all you see with them in a big wad.  And while 189 to 200 mph doesn't
> seem like much, it takes a bunch more hp to go that extra 11-12 mph.
>
> As big a hole as the punch through the air, they are pretty
> slippery.  These teams spend a lot of time in the wind tunnel.  Finding a
cd
> on one will be about as hard as finding an exact hp number though ;)
>
> The tracks where they barely top 200 mph (Atlanta, Pocono, etc) are
> unrestrected, and they aren't limited by the hp, just by the track itself.
>
> One of the crew chiefs was saying they would run approx 225-230 mph at
> daytona or talledega without the plates.  Bill Elliot ran 217 mph almost 20
> years ago, they were probably 150 hp+ down then what they are now
>
> Watch the telemetry on a plate race, when they go from caution to green it
> takes forever to run from 70 mph to 170.  Just ~450 hp...
>
> mark
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