Quote:
Originally Posted by mikefocke
2005 was a transitional year for motors and some will have the earlier single row (worst reputation but many options for replacement) and some the last single row large bearing which is much better but can't be replaced without splitting the motor's case at much expense.
Can't tell which from the VIN or engine serial number despite what some internet claims would have you think. You can increase the probability by knowing the date of manufacture but there is still the chance that the factory just did one last dip into the parts bin.
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^^^ this ^^^
Is it fish or fowl? No way to know which IMS you have in an 05. My suggestion was going to be look for an 06 if you like the 987. An 06 will have the newest designed IMS. Nothing wrong with an 05 but you have no idea which IMS you have. Unless it's ready for a clutch job, you'd need to trust your luck until it was time for a clutch replacement to see which IMS you have.
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