Engine Upgrades: 1972 Chevrolet Corvette Convertible

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Originality can be crucial to the potential value of some classics, especially if a new owner views its long-term investment potential. This 1972 Corvette Convertible ticks the right boxes in most areas, although there have been mechanical changes that will unleash performance improvements. It has a couple of cosmetic shortcomings, but nothing prevents it from providing a new owner with immediate motoring pleasure. The Convertible is listed here on eBay in Mesa, Colorado. The seller set their auction to open at $18,000 but has received no bids.

War Bonnet Yellow is fascinating because its appearance changes significantly under various light conditions. That is demonstrated by this Corvette, which the seller states wears most of its original paint. It has received minor touch-ups and a small fiberglass repair, but there is no evidence of significant accident damage. That doesn’t mean it is perfect. There is the usual assortment of small chips you would rightly expect on a vehicle of this vintage. There are also a couple of spots of fiberglass damage. One looks pretty minor, but the area in this shot might require specialist attention if a high-quality repair is desired. The seller doesn’t mention rust problems with the frame or birdcage, with the listing indicating the car has spent its life in dry climates. Therefore, I would expect the vehicle to be structurally sound. The chrome and glass look clean and free from major issues, and the original owner splashed $63.20 to equip this ‘Vette with Deluxe wheel covers.

Lifting the hood reveals this Corvette’s 350ci V8, with the original owner ticking the boxes beside a three-speed automatic transmission and power assistance for the steering and brakes. It is unclear which version of the small-block originally called the engine bay home, but it is long gone. The non-original powerplant is claimed to produce 330hp and only found its way into this Corvette in 2001. The car has clocked around 5,000 miles since the change, and the seller includes many receipts and invoices documenting the Corvette’s history. They supply no specific information on how the car runs and drives, but the impressions are positive.

The “tidy but imperfect” theme continues inside this Convertible. No issues require urgent attention, but the Saddle vinyl seatcover on the driver’s seat has a couple of splits that are beyond repair. It may hold up in the short-term, but spending cash on a pair of new covers will eventually be unavoidable. The remaining upholstered surfaces look good, but the steering column paint wears significant scratches from hanging keys. The factory radio made way for an aftermarket radio/cassette player with “box” speakers in the back. Examing the photos confirms the original owner ordered this classic with air conditioning, power windows, and a tilt/telescopic wheel. The A/C is incomplete, but the other items work as they should.

The lack of bids on this 1972 Corvette Convertible is surprising because there are no glaring problems that would have people heading for the hills. It isn’t perfect, and it isn’t numbers-matching. Neither issue is the end of the world. However, some potential buyers might look at the fiberglass repairs and other cosmetic shortcomings and struggle to justify the repair costs when tidy examples regularly sell for under $25,000. The lack of information on its mechanical health may have hindered the auction process because it opens at a fairly high figure for a car with such question marks hanging over its head. Do you agree, or am I missing the blatantly obvious?

Comments

  1. Nelson C

    Nice looking ‘Vette. Great color. Ditch the white letters for white lines to go with the wheel covers. Fix the air, or not, and drive.

    Like 3
  2. Don

    Agree w/ur last comment, I had the exact in all original condition
    With Ontario orange and 2 piece roof I had many yrs of enjoyment and many stop to ask what would cost too buy it. It wasn’t for sale but I eventually parted ways. This one is probably too much because it may only bring this amount.

    Like 1
  3. George Mattar

    I would ditch that cheap rubber fuel line. Ever see a Corvette ablaze? Very common car here. Boring automatic.

    Like 0
  4. PRA4SNW

    Seller seems very upfront about the history of the car and what they have done to it. Thumbs up for providing close up photos of the areas that need help – all of them easily addressable.

    I would take this one over ANYTHING that the Barn Finds featured Corvette seller in Miami has to offer.

    Like 3
  5. Marshall Belcher

    2500.00

    Like 1
  6. John

    Engine “upgrade” value downgrade. People have to learn a bit here’s car loses value. Nice car but it’s just a dime a dozen Vette. Anything over 8 or 10k and you payed too much

    Like 3
    • Michael J Dixon

      My sentiments exactly. If you were going to upgrade the engine just build the original. With the auction shows now everyone thinks they have a special high dollar car. It’s not it’s an old Vette nice but not special.

      Like 1
  7. Mike C

    330 gross hp was a 1971 LT-1 engine, down from 370 gross hp in 1970 due primarily to compression ratio drop. This engine was deemed incompatible with air conditioning and auto trans. with its high rpm torque and horsepower curve. Usually had 3.70or 4.11 rear. If this car has a 3.36 or 3.08 to boot it is really bad news.

    Like 2
  8. Arthur Courchesne

    I have to question ” tidy examples regularly sell for under $25,000.” ? I have yet to see one actually sell at anywhere near this price, at least North of the Border!?!? If I could find one that is tidy for $25,000 I would have one in my garage today!

    Like 2
  9. dsMember

    The lack of bids above where the number is, is likely due to the motor swap, auto trans, missing original parts, and the fiberglass repair which would require subsequent paint work. There would be very little upside with the NOM block after body repairs and paint. The only way these C3s models in particular retain any value is when they are true un-molested, and original survivors.

    Like 1
  10. PRA4SNW

    Ended at $18,800, Reserve Not Met.

    Like 0

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