I lapped the valves the old fashioned way with a hand tool. Tried it and done in a tenth of the time. Handy tip: I used Amazon's 5/8 velcro washers to attach the valve to the suction cup, one to the cup and the other to the valve. They stayed until the valve was finished.
πͺ Efficiently Cut Exhaust and Tailpipes with GEARWRENCH 2031DD Cutter
9 Review
DPTOOL 6PCS Camshaft Phaser Timing Chain Tools for VW Chrysler Dodge 3.6L 10200A+10202 High Performance Engine Kit
9 Review
πͺ Lisle 39000 Pulley Puller: The Ultimate Tool for Convenient Pulley Removal
9 Review
Complete Ford 4.6L/5.4L/6.8L 3V Engines Repair Tools Set - Valve Spring Compressor, Crankshaft Positioning Tool, Cam Phaser Holding Tool, Timing Chain Locking Wedge with Crankshaft Pulley Bolt
10 Review