i have a 2000 and i can get around 6 seconds if i launch right and the wheels don't spin (which is impossible, this car has a LOT of torque)
.060 thousands
.060 of an inch
.060 thounsands
.060
.060
The gap should be.060 inches or 1.52mm Type AC 41-963(Platinum Plug)
.060 Inch
.060 of an inch
The recommended spark plug gap for a 1979 Olds 4.9L is .060"
the gap is .060
.060
This should be listed under the hood on a placard. If it is missing the correct gap is .060