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Home » Public Forums » GMCnet » replacing driver's side head on a 455 (Jumping into unknown waters and any help appreciated)
Re: replacing driver's side head on a 455 [message #362855 is a reply to message #362831] Tue, 16 March 2021 03:39 Go to previous messageGo to previous message
Ken Burton is currently offline  Ken Burton   United States
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma:
Senior Member
I would install the stainless blocking plates to keep the hot exhaust from getting to the gasket. The Dick Paterson blocking plate kit has the correct thickness plate and matching gasket thickness to provide a correct seal. Many intake gaskets sold are too thick. Call Dick at Springfield Ignition.

http://www.springfield-ignition.com/


Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
 
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