In the above picture you can definitely see how the engine got its name of “Y” block as the heads truly form a “Y” shape from the front profile. It was the exact same process for installing the passenger side head. These need to go on the ends otherwise they made hit the block and not allow the proper clamping force for a good seal. There are two of the upper head bolts on each side that are a little longer than the rest. With the gasket in place I dropped on the driver side head and hand-tightened the head bolts. This is to ensure the coolant passages are open otherwise on the first fire up it will overheat. Once I sprayed the sealer on both sides of the head gasket and let it sit for the requisite 30 seconds I dropped it on the block aligning it with the dowel pins and ensuring the “Front” inscribed area was in fact pointing forward. I plan on also using this on the other paper gaskets because it will fill in any imperfections and it helps the gasket “stick” to the parts it is sealing. The product I used is manufactured by Permatex and comes in a copper-colored spray can. In all the manuals I’ve read about rebuilding Y-Blocks each one mentioned that this should be used on the heads so I figured I should probably comply with the advice. Once I removed the protective wrapping on the heads I started the project by spraying both sides of the head gaskets with a spray copper gasket sealant. I had the heads rebuilt over the summer by the same folks that did the work on the block and rotating assembly and have had them stored away on the shelf awaiting the time when I could reunite them with the bottom end. So I’ve managed to stay quite busy with the holiday season but I was motivated to get some work done on the engine after spending a great afternoon at my Tbird club’s Christmas Dinner today.
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