Boats For Sale:
New Boat- 1995 Super Sport |
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Gary S 
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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 Posted: November-16-2020 at 5:30pm |
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That's good to know Pete but I'd rather not find out
 Whats your thoughts on using anti seize on those bolts. In PCM's instructions they tell you not to but there must be something to keep them from rusting in. Maybe some sort of non harding thread sealant?
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tryathlete
Platinum Member 
Joined: April-19-2013 Location: Lake Villa, IL Status: Offline Points: 1799 |
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Posted: November-16-2020 at 5:52pm |
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Gary, Pete—why not use stainless steel bolts? Seems like 316 or 17-4PH would work. If strength is an issue, use hardened steel and apply .0005” of high phosphorus Electroless Nickel plating.
I like anti-seize. |
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Online Points: 21198 |
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Posted: November-16-2020 at 6:19pm |
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I don’t see a pic showing whether the bolts broke below flush or not but there are extraction options either way... above flush obviously being easier. It’s usually wise to heat cycle the bolts a few times if they feel like they may break.
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gun-driver
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Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Posted: November-17-2020 at 9:27am |
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Having the bolts break off flush is just bad luck.
Every time I had them break on me there was always a 1/2 - 3/4" piece sticking out that I could get a pair of good quality vice grips on. That along with heating the side of the manifold where the bolt is with an acetylene torch and some 50/50 trany-acetone allowing the heat to draw the oil in worked like a charm.
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: November-17-2020 at 10:52am |
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If you can look at his pictures of his broken bolts you can see they broke off right at the top thread. With 20/20 hindsight if I ever have to take mine off I think I'll drill and grind the bolt heads off first
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gun-driver
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Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Posted: November-17-2020 at 12:42pm |
That's a darn good idea, " Gump you're a God Damn Genius" I did one side of my Sport but still need to do the other and I think I'm going to do it this way.
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Gary S With 20/20 hindsight if I ever have to take mine off I think I'll drill and grind the bolt heads off first[/QUOTE wrote: