Quote:
Originally Posted by Jamesp
The valves (steel) are bent because the pistons (aluminum) crashed into them meaning the pistons are damaged. I would call them scrap at this point. The pistons also saw loads that they are not designed for which calls into question everything connected to them, the rod bearings, rods, and main bearings, even the crank. The effect on the engine is exactly what is seen with an IMS bearing failure. I'd be looking for an extended warranty on this work at a minimum. I don't think it would be unreasonable to request a complete tear down all the way to the crank to inspect for damage. The shop will lose money in this case, but it is their screw up and they need to make it right at this point and not worry about profit.
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Kind of like this:
 
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