Well i own a 1987 gti 16v and well it is actually starting everyday for once... well the rpmss strugle from 1000rpm to about 2000rpm and then it shoots up to 5000rpm then it struggles again and also when i am in 3rd for instance and i stompon it it feels like it boosts then stops then again and it is really annoying i just put 500 into in the last 2 weeks. any ideas what i can do??