stutters

Hi all, i was just wondering if anyone has had a simular problem or can explain what is happenning? Well.... i just upgraded my turbo to a ko3s from ko3 i have NOT yet had it re-mapped, the turbo was brand new etc. so no play in shafts or anything like that. Basically when i hit peak boost...

Hi everyone, got a 1.9TDI FR on 1st Sep, and I'm absolutely loving it, but one small niggle I have is that somwhere (usually around 1600-1800 revs) in each gear, when smoothly (or slowly) accelerating the car stutters. It seems to be about where the turbo would start to kick in, and doesn't...