I asked a simaler question on the rs turbo page but i was just wondering if iv melted a piston/pistons (not sure if i have) wouldn't it run like shit in nutral coz it runs fine in nutral it revs up nice all the way to 7000. But when im driving soon as the car starts to boost quite strong it goes all crackely and flat. I haven't looked at the revs but it must start about 4000 revs onwards . I know it needs a set up but will this happen with a melted piston.
It runs fine in nutral and not when driving it doesn't sound right to me. im not saying i have one but is it possable?
the car is a escort 2s