Car Craft magazine page with engine repair steps and sources list

Put more grease or assembly lube on this Heres the spark plug hole with the threads Next, I tapped the head to accept the thread tool as well. There will be an alarming removed. insert. Again, I used Translel to catch some amount of metal shavings in this process. of the aluminum chips. Stop often to clean the cutter and add fresh grease. 7 F R l 555M-6 1 55 x 8mm Retainm Pins Mil It is impOSSIble to keep all the alumlnum shavings out of the engine, but I fished nearly all the debris by winding a pipe The last few steps are to thread in the insert and d one more hole for the roll pin that cleaner around a bent-up piece of weld- retains the insert in the head. The thread insert itself is hard-anodized aluminum rather than ing rod. Adding some Translel to the tip, stainless steel. Thats why its the Ford-recommended repair. The aluminum insert has the l swabbed the top of the piston and was same expansion and heat transfer properties as the cylinder head. The reasoning is that a able to clean out the junk that fell into the stainless insert repair can cause overheating in that cylinder because it transfers less heat cylinder. from the plug to the coolant than a repair with an aluminum insert does. The repair was successful and here is that same cylinder two years and at least 10,000 miles later. The heads were off the engine recently for a performance upgrade (rather than a failure), and I was happy to see that there was no damage to the piston or cylin- der walls either. Youll read about the cylin- der head swap in a later update ADTR; Simi Valley, CA; 805/279-0719; ADTR.net Blue Oval Chips; Danville, IN; 317/7187231; BlueOvalChips.com Lock-N-Stitch lnc.; Turlock, CA; 800/7368261; LockNStitch.com Pick-Your-Part; Wilmington, CA; 800/962-2277; PickYourPart.com JUNE 2011 CARCRAFIKIOM 57