Frank Condelli wrote how to use black RTV and screws in this Vanagonauts
BTDT tip.

http://www.vanagonauts.com/Heater-Blower-R&-R118.htm

Others have stated to use a fine saw to cut them apart more accurately,
instead of beating on it with a hammer-driven knife. If it ends up that
crooked that screws won't hold it, then the clips may not help either!
How about a dremel rotary saw or cutoff wheel for the tabs?

Mike B.

On 12/18/2012 8:40 PM, David Beierl wrote:
> At 08:10 PM 12/18/2012, Mike B wrote:
>> Or drill each tab and use tek screws to put it back together, saving
>> yourself $32 on those clips.
>
> There is that in what you say.  Are they really $3 each in sets?
> Ouch.  Mechanically I don't think it's a good solution though, because
> those thin tabs aren't meant to have their stress concentrated on a
> little hole in the middle (not to mention the difficulty when your
> hammer-driven knife fails to follow the weld line).
>
> Yrs,
> d