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    Rebuilding a 1976 Corvette


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According to the build sheet glued to the gas tank, this Stingray was delivered to a dealership in Jacksonville, FL in 1976.  I bought the car in December 2004 and have been working on its restoration ever since.  I've been able to do almost all the work myself, and it's been a great learning experience.  These pictures show some of views along the way.  It's an ongoing process and will probably continue through most of 2006.

This is the car on the day I bought it, sitting out behind an auto repair business.  Notice that the front grills are missing and the headlight doors seem to be sitting very low.  This meant that the metal holding up the headlights had rusted away, though I didn't know this at the time.  The car had recently been painted blue (it was originally white).  For all its flaws, it was mine, and I had always wanted a 70's Corvette!

Original interiorThe interior was going to need a lot of work.  There were no seats in the car when I brought it home.  Also, the door panels, center console and part of the dash were missing.  The telescope mechanism on the steering column didn't lock and almost nothing electrical on the car functioned.  Notice the masking tape hanging from the steering column and holding the red wires.  These were connected to a push-button wired directly to the starter!  You had to turn the key to the "run" position, then hold in the starter button.  It took a bunch of starting fluid, but the motor ran.

Original motor shotThe motor compartment was also not a pretty sight. Notice the very small radiator (not correct for the car) and the red wire running across the top of the motor.  This was hooked to a cheap electric fan since the original had been removed.  It turned out that the starting problems came from someone's forgetting to put on the ground strap when changing distributor caps.  Fixing this, along with a tune-up, did wonders for the motor.  No more starting fluid required.  Re-installing the valve covers with correctly placed gaskets fixed the problem of oil leaking onto the headers and causing continuous smoke.

Cooling system repairedThe cooling system was the first major project I tackled.  The idea was to get this part correct, then put the car on the road to find the conditions of the steering, suspension, transmission, etc.  Because of their long, sloping noses, Corvettes are prone to overheating, so getting the cooling system right was a priority. This required a reconditioned radiator support, a new radiator, hoses, a fan and a shroud.  The chrome covers shined up nicely with some elbow grease.  At this point, I discovered that the rubber hoses from the gas tank were bad, so I had to drop the tank and replace these.  This wouldn't be the end of the fuel system issues, however.

Intermediate pointThe electrical system was a mess, so I installed a new dash wiring harness and replaced a bunch of corroded sockets for the exterior lights.  I also put in the front grills and turn signal lights.  The car came without trim rings or center caps, so these were added.  At this point, it was summer and all the safety items had been fixed, so I could at least drive the car a bit.  Each trip was slightly longer than the last, as I discovered that the car wouldn't leave me stranded.  A few times I even drove it to campus on weekends.  A milestone!

Headlights upThe headlights were the next problem to be tackled.  These complex, vacuum operated mechanisms are often a headache.  Mine were a mess of corrosion and rust, meaning that almost everything had to be replaced.  None of the hinge points moved, which made things even more difficult.  The biggest problem was removing the mechanisms from the car.  Many of the bolts were too rusted to remove with a wrench, so the metal bar that runs along the top of the body just in front of the hood had to be cut into sections and the headlights lifted through the body holes while still attached to the cut-up header bar.  It was a very tight fit, but eventually everything came out.  After a complete rebuild, and installation, it's very satisfying to see them go up and down correctly!

My wife kept noticing a gas smell in the garage after I would come back from drives around town.  Eventually, I discovered that the steel fuel lines running underneath the car had rusted out.Gas tank shield before  This meant removing, reconditioning and replacing everything from the gas tank up to the fuel pump.  The piece on the left is the gas tank shield that covers the tank.  Obviously a bit worse for wear.Gas tank shield after  The good news that only the  section in front was  actually bad.  I fabbed up a replacement piece (my first sheet metal work) that was welded in place.  After a good cleaning and painting and it's ready to go back on.  After painting the frame and bottom, it was time to install new fuel lines.  Rather than use the stock steel lines, braided lines with AN fittings were used from the tank to the fuel pump and from the tank to the charcoal canister.  No more gas smell in the garage!

floor beforeWhile the fuel lines were out, I decided to replace the floor pans.  Over the years, the leaking T-top panels had allowed water to pool on the floor, and the floor pans rusted completely through in several places.  A previous owner tried to solve the problem by laying fiberglass across the whole floor.  While these patches allowed the car to be driven, the floor was very uneven and all the mounting points for the seats and seatbelts were missing, which made it impossible to mount them correctly.  The right solution was to completely remove the wreckage of the old floor pans and weld in brand new ones.  A cut-off wheel on my angle grinder made the basic cuts, but the remaining fiberglass patches had to be cut flooryanked up with pliers and brute force.Fiberglass junk  A very tiring and dirty job.  Once it was finished, though, the extent of rust damage to the floor was clear.  All the corroded metal was cut away and the new floor pans were fit, then MIG-welded in.  This was my chance to learn welding, and Santa brought me a small welder which worked beautifully.  Finally, the floor was fixed correctly and the seats and seat belts could be mounted as Chevrolet had originally designed!

A few other minor, but annoying issues were also fixed around this time.  Someone decided that it was too difficult to remove the door locks correctly, so they simply ripped them out of the fiberglass panels.  This meant that you unlocked the car by sticking your finger through the hole and pushing down the lock rod.  Convenient, but not too secure!  The damage was repaired by fabricating and bonding thin metal plates on the insides of both door panels to hold the lock mechanisms, then filling the gaps with body putty.  The factory alarm system was also fixed.  It's pretty much useless, but that was the state of the art in 1976!  I also installed the correct air intake system and valve covers.  The car originally came with chrome shielding around the distributor and plug wires, but these had been lost sometime along the way.  A very generous fellow Corvette owner gave me a complete set and these pretty much completed the engine compartment work, bringing it very close to its condition when it left the St. Louis factory over 30 years ago.

Many interior components also needed serious restoration.  Every gear in the speedometer was stripped and the gauge face was badly rusted.  A complete rebuild solved both problems (the only job I didn't do myself).  The tachometer circuit board was fried by running the car without the coil ground strap.  Fortunately, a new board was all that was needed.  The faces of the other gauges were badly rusted; a fellow Corvette owner wanted aftermarket gauges in his car and generously donated his old, fully functional set.  The metal parts of the dash were stripped, polished and re-painted.  Finally, a pair of replacement seats were purchased.  All of these pieces now adorn our guest bedroom, waiting to be re-installed in the car.

The next phase was to deal with the leaking automatic transmission and rear suspension.  The transmission problems were typical on cars of this age and required only some new seals.  On the other hand,
ominous noises from the rear end suggested bad universal joints and rear wheel bearings.  This meant removing the entire rear suspension for a rebuild.  rebuilt rear suspensionCorvettes have six u-joints, and at least half of mine were bad.  Both rear bearings were also junk.  Several tools had to be fabricated before this job could be tackled, and it was a real learning experience.  I also replaced the emergency brakes since a previous owner decided they were too much trouble and removed all the pieces and tossed them in the trash!  When everything was painted and put back together, it worked perfectly.  Nearly all the underside was painted black with a few silver parts for contrast.  Just for fun, though, I decided to paint both half-shafts bright red to add a bit of color.

Christopher JonToward the end of 2006, two events slowed work on the rebuilding project.  The first was the birth of our first son, Christopher Jon, on Halloween.  He is growing every day and will soon take his first steps.  Even at two months, he was already helping supervise Dad's work in the garage.  The other addition was an 89 Corvette convertible, bought just before Christmas.  The 89 is known as a C4 style Corvette and has many "modern car" features like fuel injection and rack-and-pinion steering.  Unlike the 76, the convertible has needed very little work and has been an incredibly fun car to drive.  The only problem is that I have to share the convertible - my wife also enjoys driving it!

89 Corvette convertible

The next major projects for the 76 are rebuilding the steering and front suspension and welding in a new windshield frame to replace the sections damaged by the leaking T-tops.  Once these tasks are completed, the major mechanical work will be finished, and it will be time to finish the interior structure and reinstall the dash, seats, carpets, etc. to bring the car back to life.

Many, many Thanks.
  There is no way I could tackle a project like this on my own.  I had very little experience working on cars before I got this one, so almost everything is new to me.  Many people have generously offered advice, suggestions and help and I am incredibly grateful to Todd, Joe, Fred, Jim and many others.  I've also met a bunch of other great people (both online and in person) via the Corvette Forum.  It's a amazing group of people who have expertise and experience on every conceivable problem that can arise on these great cars.



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Last updated 4/13/07 by J.D.S.