What is the difference between zr1 and zo6

I recall a story about GM getting a bad batch of heads with poor valve guides. Nobody likes to talk about it but it is a well known problem among the Corvette crowd.

Buying a Z06 today and getting a bargain means you need to do an automatic head upgrade immediately or risk destroying the motor.

Are u serious? Corvettes have bad batch of heads and valve guides? Like ? Or ? Ollie is correct. This only applies to C6 Z06 LS7 engines. No more worries about dropped valves, and the new heads bumped up the compression to At the same time, I did a cam upgrade and ended up with rear wheel horsepower about at the flywheel so now I have a Z06 that is faster than a stock ZR1. Even a ZR1 due to weight! The real issue with having that much power in a pound car, is getting the rear tires to hook, and not spin out of control.

We have a z06 all black,carbon ceramic brakes,manual as our daily driver. Bought used with 7. To think you need a bit more performance is pretty crazy! For me a much less complex car that is only a little slower is a no brainer. Love it for service drive in to your Chevy dealer may not even need an appointment.

Cross country trip? Not a second thought about reliability or service. C6 Z06 engines were not built in Kentucky. The C7 Zs were. This leads to an increase in horsepower without increasing the size and weight of the engine. Features 1. An in-car system e. Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers. A smart key is a wireless key that offers several benefits over a traditional key.

For example when you approach the car the doors will automatically unlock, and you can turn the engine on with the press of a button. Height-adjustable seat belts permit passengers of different sizes to move the seat belt up or down for improved comfort. They are also especially useful for increasing the safety of children.

Which are the best sports cars? This page is currently only available in English. Keep in mind that every new Corvette is a finely-tuned driving machine, but some are even faster than others.

To get an idea of what you can expect from each level of the new Corvette, familiarize yourself with the following codes. The Z51 Corvette adds some track-ready features to the standard Corvette Stingray. Most people buy these cars to drive them hard, which makes all of the following benefits important:.

If you want to buy a new Corvette that is legitimately built for the track , start looking at the Corvette Z The Stingray and Z51 are no slouches, but the Z06 takes things to a new level thanks to performance upgrades like the following:.

This is the top of the line, the best Corvette in the world. This supercar is built for people who want an American answer to the most powerful exotic cars from across the ocean.

Responsive handling allows this vehicle to tear through just about any kind of course you could imagine. This vehicle will earn a reputation as one of the fastest ever made. Just remember some of these details about the ZR1 produced for the old Corvette C The big difference here is that the Z51 is ready for harder driving by adding some capabilities that are engineered with the track in mind.

The frame is aluminum instead of steel, and there are cast suspension pieces in place of welded items. The suspension design is carried over from the base car, with stiffer springs and anti-roll bars.

The brakes are uprated, with Like that car, the main news is under the hood. The supercharged 6. It has a forged steel crankshaft, titanium connecting rods, a dry-sump oil system, and hollow-stem exhaust valves.

Titanium is also used for the intake valves. An Eaton R supercharger and Behr intercooler force fuel and air into the engine, resulting in horsepower and lb-ft of torque. To cope with the power, a two-disc clutch is fitted, and the gearbox and rear axle have been further strengthened.

The gear ratios are closer than those of the Z The ZR1 marks the first time a Corvette is equipped with carbon-ceramic brakes—massive All three Corvettes are spectacularly fast. The base model goes from zero to 60 mph in 4.

The Z06 needs just 3. The to and tomph top-gear acceleration times are impressive, as is skidpad grip: 0. The base car managed feet better than the last Turbo we tested , and the Z06 took feet. The base coupe is the most livable of the three. The highway ride is surprisingly supple, tire noise is relatively muted—except for some intrusive slap over expansion joints—and the engine hums away at rpm at 80 mph.

We even managed to average 25 mpg during our test in the coupe, close to the EPA-highway figure of 26 mpg. On bumpy back roads, the standard Corvette is very composed, has tons of grip, and eats up straightaways while being perfectly composed under braking. It sounds terrific, too, bellowing hard under full throttle.