Almost everyone who loves cars has daydreamed about it. You open a set of barn doors and find something worth saving under decades of dust. Most of us never get the call. This time, the barn held a yellow Nissan 300ZX.
The mechanic and how-to teacher behind @chrisfix bought a 1990 Nissan 300ZX that sat parked in a barn from 1998 on. Chris says the original owner passed away, and his family kept the car because it meant so much to him. Almost 30 years later, it came up in an estate sale.
Chris says the listing was only a few hours old when he saw it. It had three photos, little description, and an asking price of $4,700. A friend went to see the car the same day, and they agreed it was not worth that much for a car that had sat so long.
A $2,300 Deal With A Promise Attached
Chris says sellers were asking around $9,000 to $10,000 for similar 300ZX cars in good shape. He wanted to get the barn find for about $2,000. After some back and forth, he and the seller met in the middle at $2,300, and he promised to get the car running.
The car came out of the barn on four freshly inflated tires. It still wore an old Kentucky registration from 1998. Inside, it was dusty and full of mouse droppings, but Chris found no major damage and, once the car went up on a lift, no rust underneath.
Before the mechanical work, a detailing crew cleaned the paint, interior and engine bay. Chris also fitted a new front bumper, which a local painter and his father paint-matched from a piece of the old one.
Waking Up A Nissan 300ZX Engine That Sat Since 1998
The oil looked surprisingly clean on the dipstick, but Chris drained it anyway. The old filter was so rusted that the pliers crushed it, and he had to hammer it loose. Inside the filter he found small pieces of steel, which worried him, so he sent an oil sample off for analysis.
Next, he pulled the spark plugs and used a borescope to look into each cylinder. He found only light rust specks and some pitting, then fogged each cylinder with oil. The engine turned over by hand, and on the starter it built oil pressure.
Along the way he replaced corroded battery cables, fitted a new battery, and vacuumed a rodent nest out of the air filter box.
A Rusted Tank And A Homemade Fuel Cell
The fuel system was the real problem. When Chris lifted out the fuel pump assembly, it was crumbling with rust. The tank was worse.
“So, this is what happens when your car sits for almost 30 years with no fuel in the tank.”
He found a replacement pump at a junkyard, because he says new ones are no longer made, and ordered a used tank. In the meantime, he built a temporary fuel cell from an old metal tank with a hole cut in it, so the pump could feed the engine fresh gas.
The engine cranked and coughed, but would not start. Fuel pressure held above 40 psi, so Chris tested further. The spark was strong. However, when he powered one injector directly, it did not click. He concluded that old varnish had clogged the injectors, and reaching them means removing the intake manifold.
“I hate to say this, but she’s just not going to get started in this video.”
The Last-Ditch Try
He decided to try one more time anyway. On that attempt, the 300ZX fired and kept running. Chris thinks pulsing the injector during testing may have let some fuel into a cylinder. Oil pressure came up to 60 psi, fuel pressure settled around 43 psi, and the temperature held steady.
“Hey, so after nearly 30 years of sitting, she is running.”
What To Check Before Reviving A Car That Sat For Decades
- Change the oil and cut open the old filter. What you find there can warn you before you ever start the engine.
- Look inside the cylinders before cranking, and lubricate them so dry piston rings do not scrape across bare walls.
- Turn the engine by hand first. Never force a seized engine with the starter.
- Expect the fuel system to be the hardest part. Old fuel turns to varnish, and an empty tank can rust from the inside.
- Check every rodent hiding spot, including the air box and the wiring.
Where The 300ZX Stands Now
The car runs, but Chris says there is plenty left to do. The injectors still need a proper cleaning, the rusted tank needs replacing, and nobody has driven the 300ZX on the road yet. He says the next steps are getting it on the road and finding out what else is wrong.
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