Auto Repair Questions - What's Your Problem?
Using a dial indicator and a magnetic base on the flywheel, set the dial indicator to 0 at the top of the hole and then slowly turn the engine over (with the plugs out) by hand-stopping every 90 degrees to indicate the runout on the dial. Also write on the bellhousing which way the hole is off by using arrows. This will help you figure out which way to move the bellhousing and by how much. View Related Article