Hello  My first LEGO RC model was the 42109 Top Gear Rally car. Back when I got it, I was only starting out with building my own stuff, so the first MODs were..., let's just say not the best quality. But the goal was clear from the start, improve the its performance. The first "ok" MOD was 2 years ago when I first got some BuWizz components. I added independent suspension on all wheels and a BuWizz motor powering the rear wheels. It was again a bit questionable build quality, and it had A L