rite i got a vw vento 1.8 8v and it was using alot of water and just b4 i took it off the road 2 get the head gasket done it started 2 misfire on cylinder 3 and 4 and got the head skimed and presure tested and put that back and at the same time i put piper cam in it and when we started it up its still misfiring and now its backfiring up the inlet and 2 try and solve the misfiring weve changed the roter arm dizzie cap and leads but still misfiring ?? anybody knows wots up with it ?? cheers Geth
