it will probably work in that condition but there will be a tendency to put pressure on the throw out bearing slightly off center , or for the fork to pop off the pivot point, so Id replace it as they are fairly cheap and easy to get rather than deal with what might be a future problem.
be aware theres several types of clutch forks, different lengths and different connections and
REPLACEABLE CLUTCH FORK SPRINGS that can be replaced with a RIVET on some versions, Id suggest taking yours to a chevy dealership parts department, so you can have the parts guy supply you with the MATCHED PART, and/or ordering the replacement spring or the whole fork.
BTW you simply drill out the old rivet , place the new rivet thru the spring and fork , heat it with an oxyacetylene torch from the non-spring side of the fork, place the spring side of the rivet on an anvil for support,and a good whack with a hammer and punch flares the red hot rivet , firmly securing it, any machine shop can do this in 5 minutes if you don,t have the tools or skill required or you can buy a new fork, all that spring install work, takes is a few seconds , just don,t heat the spring , just the rivet.
keep in mind theres three common throw out bearing heights and youll need the correct height for your particular application to get proper clutch function
read thru this thread
viewtopic.php?f=71&t=447
