I have a new Mini Swift (2 race weekends old) that runs fine once it’s up to speed but will not take off! I literally need to push it to help go and get out of the hot grid and on the starts it’ll falls to dead last while EVERYONE passes. Once up to speed (200-400 yards) it’ll be fine. I’ve changed plugs, tested other carbs, rebuilt the carb, replaced the needle and seat, adjust pop off, replaced the coil, fuel line, pulse line, you name it we’ve done it. We have a lot of tuning experience, so I’m not concerned that I’m getting the carbs setting wrong….besides I tried them all. Its done this from day one!
Anyone else experience this behavior from their mini swift?