Table of Contents

REF: Engine Mechanicals - Sub-01B

Timer Plate Hole Thread Repair

The hole threads are #8-32.

Installing a Helicoil

Using a helicoil repair insert to continue using your factory plate fastener.

Using a Helicoil Kit 3) The proper drill bit is included to enlarge the hole
(to make room for the Helicoil) 4)
Mark the bit with tape as a depth stop
(to keep from drilling too deep) 5)
Carefully tap the hole 6)
Install the helicoil with the insertion tool 7) Break the tab off at the bottom with the punch and
remove it with a small magnet 8)


2)
Starrett tap drill chart