Quote:
Originally Posted by Tim M
Is it expected for a LT1 with a supercharger might be the question (ie insufficent PCV).
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There have been forum posts about boosted LT1's with stock internals pushing oil out the front or rear seals or both. From what i remember reading - the more the engine is subjected to long WOT pulls - the more likely the seals started leaking. Effectively evacuating the excessive crankcase pressure was emphasized as a solution.
Note: Some of these engines started with a seal leak and then later had a ringland failure on one or more pistons - often the failure was contributed to there being pretty tight ring gaps from the factory. I'm not predicting that for you - just putting it out there as information.
Good luck! I hope new seals and better PCV breathing is all you need.