"How can you know that when it's running?" twelve-year-old Noah had asked.
"Because running and working aren't the same job," Earl replied. "One gets you out of the shop. The other brings the customer home before dark."
Noah had forgotten that exchange until the engines arrived. He wrote it in the margin of his inventory book, underlining the final sentence. He wanted to believe his grandfather would have approved of the purchase, but approval was not something he could inherit along with notebooks. He would have to earn it by proving that his own judgment could stand without Earl beside him.
For the first two days, he cleaned and labeled instead of dismantling. He borrowed a strong work lamp from Ellis and placed the engines on supports that kept them stable, leaving the heaviest components untouched until he could arrange suitable equipment and adult help. Rachel stopped him from working late enough that he would sleep through school. When the roof began leaking near the storage shelves, she held a flashlight while Noah moved boxes of old manuals out of the drip line.
At school, his friends wanted to know whether the rumor was true. Sixteen engines sounded more like the beginning of a television stunt than a practical business plan, and by Monday nearly everyone in his vocational technology class had heard about the auction. A boy named Carter Dunn asked whether Noah intended to open a junkyard behind his mother's house. Noah shrugged and said he was trying to identify parts people might still need.
"You could have bought a running motorcycle for that money," Carter said.
"Probably," Noah answered.
"And you're not embarrassed?"
"I might be later," Noah said. "Depends what I find."
Their technology instructor, Ms. Evelyn Porter, overheard the conversation. She was a former industrial maintenance specialist who had moved into teaching after a back injury changed the kind of work she could safely do. She asked Noah to bring photographs and a list of identification plates. The next afternoon, she spread his notes across a classroom table and corrected two model numbers he had copied incorrectly because grease obscured a character.
"Your biggest danger isn't buying something worthless," she said. "It's deciding something has value before you've gathered enough evidence."
Noah looked at the pages. "So you think I made a mistake?"
"I think you've bought sixteen opportunities to find out whether your reasoning is sound," she said. "But you can't afford to let wanting them to be useful influence your inspection. That's when people sell bad parts without meaning to."
Her answer stayed with him through the week. He began photographing each identification plate under better light, comparing numbers with service literature, and marking every conclusion as confirmed, likely, or uncertain. When one casting looked similar to a drawing in Earl's notebook but its dimensions did not match, he resisted the temptation to make the numbers fit. He wrote NO CONFIRMED MATCH in red and moved on.