I read somewhere, this a 10 hour job(aprx $1000). They make a kit with new chains, tensioner and phasers for $700-$800. An engine swap is a 6-7 hour job(less with intake, manifolds and accessories). Find a Ford tech, looking for some side work. It is not a hard job, just time consuming. There was a Ford tech on youtube, that swaps the phasers, with only removing valve covers and few items. He claims it is a Ford approved procedure. It looks like maybe a 2 hour job. Ford makes a special tool(cheese tool) to hold the chain in place. This repair is probably a quarter of the full repair.
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