clutch fan gap too short

That Hayden thing is by no means the shortest fan clutch. Read this.

Hey SSD,

I appreciate the read. I like the idea of the clutch fan without a protruding external flange. The article doesn't specify any clutch fan - it just sort of vaguely mentions "Various Mercedes and Toyota cars have a clutch fan where the clutch body forms the central hub of the fan blade."

Yes, but specifically which of the multitudes of Toyota or Mercedes units are we talking about?