bump i have the same problem in my golf 2.8 VR6 after doing the chains. with the chains i also do: port & polish in the head and trotle body, new injectors(29,5Lbs) new aluminium pulleys, raceland manifold, corrado intake manifold, new cams autotech 262º, new valve spings and guides,and some other things. i think i need TB allignment. the car sometimes die when i`m running and sudendly i need to stop and put my clunch down. the rev's go down and the car go off sometimes. do you think is TB allignment?? sorry my English, i'm Portuguese