Smokey! IIRC, it was a matter of ordering the reverse bits.
Now, there is no team based innovation which is a loss to those of us who can spin a wrench. The closest thing, but it for long, is robot “fighting”.
When I started racing, the rules were typed on one page. But most were doing their own work. There were a few house cars, but with the skinny tires, it was not most $ had the best chance. The person with the Sam Brown belt on was the deciding factor. With no roll bars and needing to work on off days, slide jobs were not a thing, nor was a wad it up - oh well, roll another piece out of the hauler.