So the problem is, at first I bought these engines to put in my cars but somehow the old engines are recently coming back alive now I'm left with these 3 working engines and 2 others I haven't checked yet. I think the only solution will be to buy new nitro's lol, here's the vid:
What'd be a better way to close off the testweek then by checking 3 engines on a new bench tester with a positive outcome?