2004 Chevrolet Corvette Z06

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2004 Chevrolet Corvette Z06

Latest updates

Mar
18
Mar 18, 2024 | Chevrolet | Corvette | c5 | Project car | Blown Engine
Performing an autopsy on our Corvette's blown engine

Here are the lessons we learned after the engine in our C5 Corvette project car exploded while on track.

Jan
09
Jan 9, 2024 | Chevrolet | Corvette | Corvette Z06 | dry sump
Installing a dry sump onto our Corvette's LS3 engine

As we get ready to install our LS3 into the chassis, we figured this was the perfect time to address one of the big supposed shortcomings of the LS architecture: …

Jun
17
Jun 17, 2022 | Chevrolet | Corvette
Can our Corvette hang with a 700-horsepower BMW at VIR? | Project C5 Corvette Z06

How does the ultimate C5 Corvette track car stack up against the fastest machines around? We enter it in the Ultimate Track Car Challenge to find out.

May
04
May 4, 2022 | Chevrolet
Can our Corvette project outrun a new C8 Z51? | FIRM video inside

Is our C5 Corvette Z06 project faster than a C8 Corvette Z51? We go to the FIRM to find out–you know, for science.

Apr
27
Apr 27, 2022 | Chevrolet
These holes are not your friends: filling in the C5 Corvette’s useless “grilles” while adding a tow hook | Project C5 Corvette Z06

Those two holes in the front bumper of our C5 Corvette were creating lift, so we devised a long-term solution to block the openings.

Apr
06
Apr 6, 2022 | Chevrolet | Corvette
Project Corvette dominates SCCA Time Trials National Tour at Sebring | Project C5 Corvette Z06

Even though our Corvette is on its farewell tour, it's still just as capable as ever.

Mar
28
Mar 28, 2022 | Chevrolet | Corvette
Are you incorrectly mounting your race tires? | Project C5 Corvette Z06

Did you know that mounting some race tires isn't the same as mounting street tires?

Mar
24
Mar 24, 2022 | Chevrolet
How weather-tight are your weather-tight connections? | Project C5 Corvette Z06

After replacing the faulty throttle body, we thought our Z06 project car would be back to 100% reliability. We were wrong.

Mar
17
Mar 17, 2022 | Chevrolet
Why does a Holley Dominator need the correct throttle body? | Project C5 Corvette Z06

Thanks to some detective work, we finally figure out what was putting our Z06 project car into fault mode–just in time for the Tire Rack Red Hills National Tour.

Mar
09
Mar 9, 2022 | Chevrolet
Lesson learned: Always bring your tuning laptop to the event | Project C5 Corvette Z06

Learn from us: don't let a forgotten laptop interrupt your on-track fun.

Feb
15
Feb 15, 2022 | Chevrolet
How to properly install a splitter on a C5 Corvette | Nine Lives Racing splitter mounts | Project C5 Corvette Z06

Our C5 Corvette doesn't easily accept a front splitter. Luckily, Johnny C. from Nine Lives Racing has taken the hard work out of splitter mounting.

Feb
07
Feb 7, 2022 | Chevrolet
Upgrading to bigger brakes | Project Chevrolet C5 Corvette Z06 Part 10

Bigger brakes not only increase the pressure of the whole system, but also ensures smoother and more predictable brake application.

Jan
27
Jan 27, 2022 | Chevrolet
Fine tuning the suspension | Project Chevrolet C5 Corvette Z06 Part 9

The worst time to notice tire rub? Going 125 mph on the banks of Daytona–time for some suspension tweaks.

Jan
21
Jan 21, 2022 | Chevrolet
How to replace a C5 Z06 clutch | Project Chevrolet C5 Corvette Z06 Part 8

After racking up nearly 100,000 miles, our Z06 was ready for a new clutch. We left the labor up to the experts at The Vette Doctor, but they were kind …

Jan
13
Jan 13, 2022 | Chevrolet
How to replace Corvette leaf springs with coil springs | Project Chevrolet C5 Corvette Z06 Part 7

The factory leaf springs might work on the street, but they have a few drawbacks when driving on the track at speed.

Jan
06
Jan 6, 2022 | Chevrolet
Keeping the alignment stable | Project Chevrolet C5 Corvette Z06 Part 6

In this Corvett magazine project update, we find a way to make sure the alignment we worked so hard to dial in stays stable.

Dec
30
Dec 30, 2021 | Chevrolet
Exploring performance tire options | Project Chevrolet C5 Corvette Z06 Part 5

Sure, just about anyone can get on track with pretty much any car–but if you want to be truly competitive, you're going to need some faster tires.

Dec
23
Dec 23, 2021 | Chevrolet
Outfitting the interior for performance | Project Chevrolet C5 Corvette Z06 Part 4

As it turns out, what you sit on and the steering wheel you grab can have quite the impact in on-track performance.

Dec
19
Dec 19, 2021 | Chevrolet
How to upgrade wheel hubs | Project C5 Corvette Z06

Fed up after breaking a number of cheaper, OE-style hubs on our C5 Corvette, we finally decided to spend our money on a more permanent solution.

Dec
06
Dec 6, 2021 | Chevrolet
A concrete finish to our competition year | Project C5 Corvette Z06

What better way to finish out the 2021 competition year than with the Red Hills Region’s annual Axis vs Allies season finale?

Oct
29
Oct 29, 2021 | Chevrolet
How to pick the right hubs for your Corvette track car | Project C5 Corvette Z06

Sometimes, saving money can cost you more in the long run–like the hubs we sued on our Corvette, for example.

Oct
20
Oct 20, 2021 | Chevrolet
Extra reliability for our Corvette’s dry-sump system | Project C5 Corvette Z06

What's that? A way to improve our already flawless dry-sump setup? Sign us up.

Sep
15
Sep 15, 2021 | Chevrolet
Top times at Holley LS Fest yet why no trophy? | Project C5 Corvette Z06

Hot off the heels of our Solo Nats trophy, we headed to Holley LS Fest to tackle the Road Course Challenge.

Sep
14
Sep 14, 2021 | Chevrolet
Despite leaving home with the wrong tires, a trophy finish at Solo Nationals | Project C5 Corvette Z06

We walked away from Solo Nats with a trophy finish and a valuable lesson learned: Don't use old tires.

Sep
13
Sep 13, 2021 | Chevrolet
Trophy at Solo Nats, plus come see us at LS Fest East | Project C5 Corvette Z06

Look ma, we got ourselves a trophy at Solo Nats!

Sep
08
Sep 8, 2021 | Chevrolet
Before heading to SCCA Solo Nationals and LS Fest, fresh brake pads for our Corvette | Project C5 Corvette Z06

Before competing at Solo Nats, we needed to replace our Z06's brake pads.

Sep
06
Sep 6, 2021 | Chevrolet | Corvette | Goodyear
Comparing the Goodyear Eagle RS to the status quo | Project C5 Corvette Z06

How does a set of Goodyear's new Eagle RS compare to our old BFGoodrich g-Force Rival S tires?

Jun
20
Jun 20, 2021 | Chevrolet
Top 10 overall at SCCA Time Trials Nationals | Project C5 Corvette Z06

We finished in the top 10, which is great considering our C5 Corvette Z06 didn’t even run as of three weeks ago.

Jun
11
Jun 11, 2021 | Chevrolet
Return to competition: now with cooler oil temps | Project C5 Corvette Z06

We made it to Time Trials Nationals–and our Corvette is running cooler oil temps, too.

Jun
09
Jun 9, 2021 | Chevrolet
Towing our Chevy (Corvette) with a Chevy (Suburban) | Project C5 Corvette Z06

Normally we'd tow the Corvette behind our Toyota Tundra, but this time we borrowed a 2021 Duramax-equipped Suburban.

Jun
07
Jun 7, 2021 | Chevrolet
Final shakedown: Running with Jzilla at Daytona in preparation for Time Trials Nats | Project C5 Corvette Z06

After putting in some break-in miles, it was time for a final shakedown at Daytona International Speedway.

Jun
04
Jun 4, 2021 | Chevrolet
Sea trials before time trials: Our LS3-powered Corvette returns to the track | Project C5 Corvette Z06

Putting some break-in miles on our Corvette before the SCCA Time Trials Nationals.

Jun
01
Jun 1, 2021 | Chevrolet
How a $29 part enables easy oil temp readings on modified C5 Corvettes | Project C5 Corvette Z06

An easy, inexpensive way to get reliable oil temperature readings for our Z06? Sign us up.

May
27
May 27, 2021 | Chevrolet
Cooling our Corvette’s interior with DEI’s custom thermal barrier insulation kit | Project C5 Corvette Z06

The console in our C5 Corvette reached temperatures of 200 degrees Fahrenheit–and that was after a cool-down lap–so we install some exhaust heat shielding from Design Engineering, Inc.

May
22
May 22, 2021 | Chevrolet
First dyno test with our LS3-powered Corvette | Project C5 Corvette Z06

With our dry-sumped LS3 now running, how much power does our Z06 make on the dyno?

May
17
May 17, 2021 | Chevrolet
Bringing Our LS3-Powered C5 Corvette to Life | Project C5 Corvette Z06

We finally get our Corvette started thanks to a Holley Terminator X.

May
11
May 11, 2021 | Chevrolet
How to Refurbish Worn Seats | Project Chevrolet C5 Corvette Z06 Part 3

The seats in our Corvette were all but gone. Time to rebuild and refurbish.

Mar
16
Mar 16, 2021 | Chevrolet
First Mods for a C5 Corvette: Wheels, Autocross Tires, Performance Alignment, Tire Trailer | Project Chevrolet C5 Corvette Z06 Part 2

Adding non-performance performance mods to our 2004 Chevrolet Corvette Z06: Sticky tires, a fantastic trailer, DIY alignment and easy data.

Jan
19
Jan 19, 2021 | Chevrolet
Building a Dry-Sump System: Making Room for Everything | Project C5 Corvette Z06

After our project Corvette became over complicated, we decided to relocate the dry sump tank.

Aug
31
Aug 31, 2020 | Chevrolet
Chevrolet C5 Corvette Z06 Buyer's Guide | Project Chevrolet C5 Corvette Z06 Part 1

Is the C5 Corvette Z06 today's best performance bargain? We tracked one down for ourselves to find out.

Jul
16
Jul 16, 2020 | Chevrolet
Project Corvette Z06: Why a Multi-Disc Clutch Saves Weight While Increasing Clamp Load

When it comes to clutches, as with buffets, more plates are more better. That's why we went with a twin-clutch setup from Mantic Clutch USA for our 2004 Corvette Z06 …

May
22
May 22, 2020 | Chevrolet
Project Corvette Z06: Efficiently Storing Project Car Parts in Vacuum Sealed Bags

Inspired by a recent thread on our message board, we thought we’d share our favorite new way of preserving parts during any major disassembly for our Project Z06.

May
18
May 18, 2020 | Chevrolet
Project Corvette Z06: Dropping Subframes and Rebuilding the Steering Rack

As we prepare for the installation of our LS3 crate engine, we figured that we’d remove the subframes so we could assemble the entire driveline on the floor.

Apr
28
Apr 28, 2020 | Chevrolet
Project Z06: Hey, We Found a Dyno Chart

Turns out we would have known how much power our new crate engine from BluePrint Engines made if we had actually read the instructions.

Apr
07
Apr 7, 2020 | Chevrolet
Project Z06: Cooling off Our Headers With SwainTech's White Lightning Ceramic Coating

Heat management and high performance work hand in hand. That's why we opted for Swain Tech’s White Lightning ceramic coating for our Project Z06's headers.

Mar
12
Mar 12, 2020 | Chevrolet
Project Z06: Oh, Yeah, We’re Swapping an LS3 Into Our C5 Corvette Z06

We realized that we never addressed the fact that we were replacing our 2004 Corvette Z06’s original, 100,000-mile LS6 with an LS3-based powerplant. So in this update, we're doing just …

Mar
04
Mar 4, 2020 | Chevrolet
Project Z06: Installing a High-Capacity Fuel Pump to Feed Our LS3

Upgrading our Corvette Z06’s fuel pump in order to feed enough E85 to our LS3 engine.

Feb
28
Feb 28, 2020 | Chevrolet
Project Z06: Continuing Fabrication on Our Dry Sump System

In a previous update, we laid out the basic function of our dry sump system for our C5 Corvette Z06 track car, and now it’s time to start physically laying …

Jan
21
Jan 21, 2020 | Chevrolet
Project Z06: Polishing the Internals of Our Transmission

Polishing the internals of a transmission isn’t just cosmetic, it’s a worthwhile performance and reliability operation.

Jan
15
Jan 15, 2020 | Chevrolet
Project Z06: Checking Our Transmission for Cracks

Crack checking your transmissions inner bits can help avoid a possibly catastrophic failure.

Nov
30
Nov 30, 2019 | Chevrolet
Project Z06: Transmission Teardown

Prepping the transmission for bigger and better things.

Oct
01
Oct 1, 2019 | Chevrolet
Project Z06: Clumsy Foreshadowing

We're shaking things up.

Sep
25
Sep 25, 2019 | Chevrolet
Project Z06: Making a Hole (In the Hood)

Lift: Good for planes, bad for race cars.

Sep
07
Sep 7, 2019 | Chevrolet
Project Z06: The Sound of Speed, with RaceVoice

In-car data systems are priceless.

Aug
26
Aug 26, 2019 | Chevrolet
Project Z06: Preparing for Solo Nationals

We prepare for the SCCA Solo Nationals.

Aug
23
Aug 23, 2019 | Chevrolet
Project Z06: An Exhausting Weekend in the Shop

Installing headers is a lot of work.

Aug
08
Aug 8, 2019 | Chevrolet
Project Z06: Aero Comparo: Is it Worth it?

We take an in-depth look at whether or not aero can help you at the track

Aug
01
Aug 1, 2019 | Chevrolet
Project Z06: We’re Going to Need More Spring

We find out the hard way what rear downforce can do at speed.

Jul
30
Jul 30, 2019 | Chevrolet
Project Z06: Making the Computer Happy After Installing Longtube Headers

If the computer isn't happy, nothing will be happy.

Jul
17
Jul 17, 2019 | Chevrolet
Project Z06: Racing with Chillout Systems

Getting our race fix and chill.

Jul
11
Jul 11, 2019 | Chevrolet
Project Z06: Breathe Freely with Breathless

We help our Z06 breathe more easily.

Jun
27
Jun 27, 2019 | Chevrolet
Project Z06: Plug, Play, Power

More power in under an hour? For real?

Apr
15
Apr 15, 2019 | Chevrolet
Project Z06: F.A.S.T. Intake Dyno Results vs. Stock

We install a new intake and fuel injectors onto our Z06.

Apr
04
Apr 4, 2019 | Chevrolet
Project Z06: Preventing Oil Starvation

We install a new oil pan baffle to combat oil starvation.

Mar
28
Mar 28, 2019 | Chevrolet
Project Z06: Trading Our Leaf Springs for Coil Springs

We eschew the leaf spring for coils.

Feb
12
Feb 12, 2019 | Chevrolet
Project Z06: A Set of New Shoes

A new season means new rubber, and this year we didn’t want to make any excuses in the tire department.

Dec
06
Dec 6, 2018 | Chevrolet
Project Z06: Off To The Races

We took our project Corvette Z06 out for a day of racing at NCM Motorsports Park and another at Roebling Road.

Dec
04
Dec 4, 2018 | Chevrolet
Project Z06: Safety Enhancements

We install a roll bar and a fire suppression system in our Project Corvette Z06.

Dec
01
Dec 1, 2018 | Chevrolet
Project Z06: Keeping Our Alignment Stable

We align our Corvette.

Oct
21
Oct 21, 2018 | Chevrolet
Project Corvette Z06: Cooling Our Corvette

Keeping our Corvette cool was easy with the help of a Ron Davis Radiator.

Oct
19
Oct 19, 2018 | Chevrolet
Project Corvette Z06: Sitting and Steering

Improving the driver's seat and steering wheel make a world of difference for fast autocross runs.

Aug
06
Aug 6, 2018 | Chevrolet
Project Corvette Z06: Replacing the Clutch

We perform some much-needed driveline maintenance on our C5 Z06.

Jul
30
Jul 30, 2018 | Chevrolet
Project Corvette Z06: Race Tires vs. Street Tires

We compare the Michelin Super Sport, BFGoodrich Rival S and BFGoodrich R1 on track.

Jun
25
Jun 25, 2018 | Chevrolet
Project Z06: Bigger Brakes

Corvette Z06 brakes are good, but can be made better with a pad upgrade.

Jun
20
Jun 20, 2018 | Chevrolet
Project Z06: Winging It

We come up with multiple aero options for our project Corvette Z06.

Jun
16
Jun 16, 2018 | Chevrolet
Project Z06: Rebuilding and Recovering Our Stock Seats

We reupholster our stock seats.

Apr
10
Apr 10, 2018 | Chevrolet
Thoughts on the First Optima DriveAutoX Event

Our project Corvette Z06 took part in the new autocross series.

Mar
02
Mar 2, 2018 | Chevrolet
Project Corvette: Autocross With Us This Weekend

We're headed to the Tire Rack Fort Myers Match Tour.

Feb
27
Feb 27, 2018 | Chevrolet
Project Z06: Augmented Accommodations

Driving a C5 Z06 on the road can get a little uncomfortable.

Feb
19
Feb 19, 2018 | Chevrolet
Project Z06: Why Are We Putting Rear Wheels on the Front?

Ever noticed C5 Corvettes autocrossing with mismatched sets of wheels?

Dec
22
Dec 22, 2017 | Chevrolet
Project Z06: Exploring Brakes and Their Technology

Our project Z06 gets some new brakes.

Dec
04
Dec 4, 2017 | Chevrolet
Getting Our Project Corvette's Autocross Career Started

We made a few minor adjustments and took our project Corvette to an autocross.

Nov
06
Nov 6, 2017 | Chevrolet
Joining the Vette Set With Our New Corvette

Meet the newest Grassroots Motorsports project car.

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