Originally Posted by
Kammer111
Ah well, I didn't put the thottle gasket back on because it was ripped and didn't have a new one. Wouldn't have thought that it would let that much air in though.
You have answered your own question this without doubt is whats causing the problem, timing will have no effect on engine speed, also as said get a timing belt and tentioner never reuse one you have taken off, not worth the risk!
Martin