C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

oil leaking

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Old Jun 18, 2011 | 10:18 PM
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Default oil leaking

I just bought few weeks ago a 1989 vette from the original owner with 44000 miles on it. The owner said that it had a manifold leak on top of the engine from using synthethic oil( mobil 1) . This doesn't make any sense to me that he had to have the gaskets change on the intake manifold twice. Any "takes on this? Thank you.
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Old Jun 18, 2011 | 10:20 PM
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whoever did the work, was not capable
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Old Jun 18, 2011 | 11:43 PM
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Originally Posted by oldalaskaman
whoever did the work, was not capable
So I should'nt have any problem changing back to synthetic oil?
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Old Jun 18, 2011 | 11:52 PM
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synthetic oil doesnt cause the leak per say.
It just flow easier than dino oil.

If intake is sealed correct there isnt any issue using synthetic oil.
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Old Jun 19, 2011 | 01:20 AM
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Originally Posted by redvetteman81
Any "takes on this? Thank you.
Read this from a former forum member who found out switching to synthetic was a mistake.

http://www.cardomain.com/ride/405346...orvette/page-4
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