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I bought a used engine that allegedly came from a '94 pick-up. Block is F4TE 6015 A4-9. I'm in the process of dismantling it and have been amazed at how clean it is inside. Before pulling the pistons and crank I checked the deck clearance. I believe a stock 1994 Ford 351W deck height is 9.503”, compression height is 1.774”, rod is 5.956” and stroke is 3.500” which gives a deck height clearance of .023” in stock form. I'm measuring zero on this engine with some pistons actually .002" above the deck.
My first thought was that this engine is so clean because it was rebuilt not long ago and the block was decked. However, it's bone stock and why would anyone cut it .023" if it just needed to be cleaned up for a rebuild? Bores are beautiful and measuring within spec at 4.002"-4.004". I only measured one rod journal and it measures 2.309". So, the bores and rod journals appear original. So, a rebuild is questionable.
Were there any '94 351W engines built that had a zero deck clearance? I'm confused as hell right now and would appreciate any information that will help clear up this mystery.
My first thought was that this engine is so clean because it was rebuilt not long ago and the block was decked. However, it's bone stock and why would anyone cut it .023" if it just needed to be cleaned up for a rebuild? Bores are beautiful and measuring within spec at 4.002"-4.004". I only measured one rod journal and it measures 2.309". So, the bores and rod journals appear original. So, a rebuild is questionable.
Were there any '94 351W engines built that had a zero deck clearance? I'm confused as hell right now and would appreciate any information that will help clear up this mystery.