Sounds like fun. A level playing field to be sure.
Speaking of street-driven race cars, I shot an interesting 98 Viper a
couple of weeks ago. It's tubbed and has a roll cage. The rear axles
are spooled, but the front suspension is stock. The engine has a stock
crank, pistons and rods. But it also has twin intercooled turbos,
headers and lots of head and valve train work. The guy apparently
drives it on the street a bit. I watched it run a quarter mile at
Dragway 42 in Columbus, Ohio-- 7.74 seconds, 187 mph. Not bad for a
car you can drive to work.
Paul
On Aug 25, 2009, at 11:10 PM, Larry Colen wrote:
On Tue, Aug 25, 2009 at 10:45:15PM -0400, paul stenquist wrote:
Some nice shots here.
Tell us about the Miata. How does it differ from the stock vehicle?
Looks like an entertaining machine.
In gory detail:
http://www.specmiata.com/specifications.htm
In short:
The engine mods that I'm allowed on the 1.6 liter motor are:
Change the air filter
Remove the catalytic converter
Change the exhaust from the cat back
I'm allowed to put in a specific Limited Slip Differential (not to
confuse it with LakeShore Drive).
There is a spec suspension:
springs
shocks
swaybars
I'm allowed to run 15" wheels up to 7" wide that weigh at least 13
lbs. In our region we have the 205-50-15 Toyo RA-1 spec tire (decent
performance, excellent life for a race tire, keeps nearly full grip
until the cord is showing)
I'm allowed to strip the interior, I'm required to have a roll cage
that meets certain specs, race seats, race belts, fire extinguisher or
fire system, kill switch.
I'm allowed to run a fiberglass hardtop (several seconds a lap in
aerodynamics).
I'm allowed to run racing compound brake pads.
One very nice thing about the class is the factory support. You can
buy parts from Mazdaspeed at dealer cost.
The racing is amazingly close. The last race I ran with the SCCA the
qualifying times of the guy 2 places in front of me and the guy behind
me differed by about .060 seconds, that works out to about 8 feet on a
three mile track for two rows of the grid in mid pack.
--
The first step is learning to take great photos,
the second step is learning to throw away ones that are merely good.
Larry Colen l...@red4est.com http://www.red4est.com/lrc
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