rear main seal problem need help

Nov 9, 2005 | 09:14 AM

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Teching In

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rear main seal problem need help

rear main came completely out . I have a newly built forged 347 with sts.
What could cause this? I'm out of ideas.

Nov 9, 2005 | 09:46 AM

TECH Senior Member

Joined: Mar 2004

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From: BFE

bad install or too much crankcase pressure (or combo of both).

Are your rings gapped for boost??