That's actually correct, I won in 2009 and this year in Modified NA. The rules changed over the years, but it was the same class, so four cars, three classes.
On the engine, the Galaxie engine and the Shelby clone engine used the same block and crank. But, pistons, sleeves, heads, headers, induction, cams, and EFI systems are all different between the cars, so I don't think you can say that the engines are the same.
Doug, last weekend I took the Shelby clone back out and drove it to a friend of mine's daughter's wedding. I'm afraid I stole some attention from the bride
I do get the current car out pretty regularly, if only to go pick up a pizza for the family on Sunday night, but I don't insure all of them, so they will sit for a year or two at a time, sometimes. The Galaxie hasn't been insured since 2012, and the Mach 1 since 2013. This year I have the Shelby clone and the GT insured, so I've been driving the GT some this summer, and the Shelby clone since I got it running at the end of August. I plan to keep both those cars insured until the end of October, and be driving them until then. One thing about Drag Week is that after spending 1000 miles in the car, you figure out what you'd like to change. For example, the instrument panel in the Shelby clone is a custom piece, and the turn signal and high beam indicators are in a bad place, hidden behind the steering wheel when I'm in the normal driving position. I'm going to pull that panel and drill some different holes for the indicators, so I can actually see them when I'm driving the car. Just one example of about 15 minor items that I want to get fixed before I put the car away for the winter...