Quote:
Originally Posted by GQM
The spark plug repair kits for aluminum heads have you skip drilling and just thread the tap through because aluminum is soft enough and to minimize the shavings.
|
You can not defy the rules of physics
. If you have to fit an insert in the hole, x amount of original material has to be shaved off. You could skip a step by not drilling it, but the amount of shaving through tapping will increase.