1967 Mercury Comet - '67 Comet Stock Replica Engine Rebuild
With all the bad news behind us, Sal Alcaraz manned the JMS Rottler boring bar to enlarge the 390's bores from 0.040 to 0.060 inch oversize. The final bore diameter is 4.11 inches. Couple that with the stock 3.78-inch stroke and you've got a 401-cube FE motor. View Related Article