The 6.2-liter V8 found in certain Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade models has been recalled for more than a year now, but the remedy may not be to the government's satisfaction. The National Highway Traffic Safety Administration (NHTSA) announced it would investigate the recall after receiving complaints from owners who had experienced engine failures even after their trucks and SUVs had been repaired according to GM's standards. Problematic Machining And Lubrication The original recall of the 6.2-liter V8, codenamed L87 and also found under the hoods of some Silverado 1500 and Sierra 1500 pickups, pertained to machining flaws...