Angry Robot have an upper limit of around 140k though so if I can tighten a bit more of the book I might be in with a chance.
Tighten by all means, but their wording is a bit vague. What they say they don't want is "Anything shorter than novel length (approx 95,000 to 140,000 words, but there is some flexibility in this)." So it sounds like there might be quite a bit of flexibility at the upper end.
BTW, in revisiting their page to find that out, I've just discovered that they've changed from wanting epic fantasy to classic fantasy.