Quote:
Originally Posted by PeteKz
This is one of the reasons I try to dissuade DIYers from splitting the case of a 3.0 or 3.2 engine; unless there is some other reason to split the case.
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These poor quality bearings are no reason to ignore a proper rebuild. Use factory GT3 main bearings and the issue of poor quality bearings becomes mute.
By not splitting the case , you have no idea what your main bearing clearance is, you run the risk of connecting rod bearing/bolt failure (number one failure that leads to catastrophic explosions in 3.0, 3.2 and 3.3 engines) and you also run the risk of a number 8 bearing o-ring leak. Over the years, I can't tell you how many engine develop a # 8 bearing leak after an engine drop. My theory is the jostling the engine around on the jack and engine stand is what often leads to an o-ring leak when no leak was previously noticed.