> > does my 1985 GMC S-15 Jimmy 2 door 5 speed have locking
> > front diff's
> >
> Look up the production codes like I told you in your other post.
> No one can tell you if you have a posi-trac or not. It's on the
> production code label in your truck.
It's safe to say that his GM does not have factory front differential
locker as they have never offered a front diff locker.
Mike