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Old 02-08-2022, 12:56 PM   #5
Joey Soul
The Mechanic
 
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Drives: 1SS M
Join Date: Dec 2017
Location: NJ
Posts: 304
I had to do the front main seal on my 18 ss last year. These engines build alot of crankcase pressure and the front is a 'low drag' paper thin seal. Mine would blow oil at high rpm only but it was alot that would dump. Then it would be fine at idle. I put in the ls3 front seal. Noticably thicker
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