Picked up the 200 this Saturday and am pleased to report that it’s running well again. Here’s what I can tell you for me and my instance and my eventual road I went down for the repair. My initial plan was to have all the springs replaced and do all the “while you’re in the preventative maintenance.” This included timing chain, tensioners, cam phasers, water pump and a host of other things not to mention all the springs, rockers and lifters. The total I got for parts and labor was just way too much for me to put into a motor with 200,000 miles. So the decision was made to just address the broken spring and do the valve cover gaskets and a few other things. Overall I feel pretty good about it but I can’t confidently say it’s not going to happen to any of the other 31 springs. The mechanic that did the work did say the failed spring was actually noticeably different in color. Being the broken spring was actually almost black while all the remainders were closer to a gun metal grey. Don’t know if this would mean anything or not but it is odd.
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