I am looking at using a 93 Seville SLS in a 24hours of lemons race. The car has the signs of a blown HG. If I do norm's kit, and replace the gasket is that enough to keep this car running well or do I need to do something else?
Mike, there's a reason I have people emailing me who are practially your neighbors who say they would rather bring their Cadillac to me for repair than bring it to you and have inserts installed.How would a steel stud out last a steel insert of the same size? Both are 5/8X11 thread, so the weakness is STILL and ALWAYS will be the aluminum block.
No rhyme nor reason - some bolt holes fail, some don't. Some theorize that two cylinders, adjacent to each other in the firing order, might be questionable but that doesn't seem to hold water either.Has anyone noted if it is the front or rear bank that fails more often?
Norm has improved his kit http://www.huhnsolutions.com/Norm always has them on Ebay
Search: NORTHSTAR ENGINE NS300L HEAD BOLT THREAD REPAIR KIT
The Head Gaskets come from. I would call them to make sure they fit the application. I know they fit 93 to 99. They may have other years also