I heard kyosho or it might be another company , but a few of their kits you practically have to customize it to get it to fit and work freely.
Ill admit there are a few quirks on the R40 , but on a lot of other HPI cars their almost perfect , good instructions...allthough lacking in some areas , always come off to me somewhat easy to deal with. Along with the design.
If I were to jump the boat....and dare I say I ever would. I would go mtx4....
But like rossb said , I also need to focus on the driver. Im still new to racing and honing what little skills I have.
I came in at least 4th in my summer series novice class, my first year racing (more like 4 times X 3 (5min qualifiers). I probably could have gotten 1st in the series If I didnt goto the race with a new engine everytime , which each engine for some reason had its own weird quirky problem...lol.