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Corvette Gets 7-liter Engine

You might think that 6 liters was enoughfaster safely.
to make the Corvette two-seater fastIn fact, titanium used to be an
enough, but not for the competitionaerospace-only material because it was
department lurking inside GM. Theyso expensive, but it is now bein gused
wanted to be able to competemore in exotic cars and the heads of
head-to-head with the European supercarsgolf clubs, helping the lesser pros feel
in the international endurance races fornot so outclassed by Tiger Woods as they
sports cars.might with ordinary drivers.
To do so, they took a leaf out of Ford'sYou will see that the Corvette 7 liter
book. In the 1960s, when Ford found itis intended for the race track by the
could not compete with the smallerfact that the engine has a dry sump lube
Ferraris at Le Mans with the 4.2system. A dry sump system prevents the
(ex-Indy) or 4.7 liter engines, theyoil in the oil pan from slopping away
brought out their 7-liter mill. And itfrom the pick-up on fast cornering - the
was so much bigger than the competitionsort you can do only on a track - and
that they won. So the guys behind thethus damaging the main bearings.
Corvette decided to produce a 7-literInstead of staying in the oil pan, the
version of America's favorite and mostoil is pumped out to a tank, and then
famous sports car.pressure fed from there directly to the
By the way, the 7 liter Corvette moreengine bearings and other critical
than competes with the Dodge Viperareas. Definitely a system for top
SRT-10, which could give the standardsupercars.
Corvette a bit of a run for its money.The underpinnings of the car have also
Of course, this is not just any oldbeen beefed up with a new aluminum
engine. This is a very special versionperimeter frame which reduces weight.
of its GEN IV 7.0 liter V-8.Further weight reduction comes with a
This 2006 Corvette is challenging fornew magnesium engine sub-frame. To
muscle car of the year with no less thanensure the car is stiff enough, it will
500 bhp on tap at 6,200 rpm. Maximumbe available only as a hardtop. The
torque from this mammoth engine is 475front fenders and wheelarches are now
lb ft at 4,800 rpm. This is bound to becarbon fiber composite panels, which
a stunner with a top speed of about 185also reduce weight.
mph and 0-60 in under 4.0 seconds. GMBut there's more...
expects the quarter-mile be under 12To get all that power onto the road, and
seconds.to get it to stop, bigger wheels, tires
To give durability, the engine has beenand brakes have been fitted. The front
beefed up in a number of ways. First,brake discs are now 13.9 inch diameter,
the connecting rods and inlet valves areand 19×12 inch wide rims are used
now made of titanium - these weigh aboutat the back; front wheels are
half as much as steel ones and are used18×9.5 inches. Such massive rear
in quite a number of high-performancetires for a car with 50:50 weight
engines. Because of the low weight, thedistribution suggest that the car will
titanium parts put less load on otherhave a tendency to oversteer - smoky
critical parts of the engine – thedrifts could be the order of the day!
crankshaft, bearings and in this caseAll-in-all, this is a really special
the valve gear as well. The titaniumcar, developed to compete with the best.
valves also allow the engine to rev



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