re. Broken exhaust manifold studs

Fundsalo Racing fundsaloracing at
Thu Mar 28 09:17:42 EST 2002

> 2) If you can find one, us a reverse out(left hand)
> drillbit.  Start with a
> smaller size like 1/8' then graduate to larger size
> 1/4".  This will
> sometimes catch and extract the stud while you are
> drilling so you won't
> have to -

Aya, this is the way to go. The heat, vibration and
weakening of the stud by slowly removing it's guts
(sounds ghastly - no?) is often enough for the stud to
break loose from the piece and spin out under the
torque of the drill & bit. Go slowly and use a
low-power drill so if the bit jams in the stud the bit
won't snap off ala 'easy-out'.

Reverse-twist drill bits are hard to find. (!) Not
Craftsman, BTDT.... If anyone knows of a nation-wide
source or cheap mail-order source for reverse-twist
drill bits please share the source(s) and cost with
das list.


-glen  "If we give up our freedom as the price of security, we will no longer be the great nation that we are"

United States Supreme Court Associate Justice Ruth Bader Ginsburg as quoted by the Tucson Citizen


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