busted head bolt
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Elder User
Joined: Feb 2015
Posts: 676
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From: south east kansas
busted head bolt
so my 390 has stock manifolds on it and i want to go to headers, but i currently have a bolt busted in the top section of the manifold bolts, what do you all suggest to get it out easily ( yeah i know nothing is easy about it), could i pull just the fender if i need to or do i have to pull the whole clip,
Cargo Master
Joined: Jul 2005
Posts: 2,313
Likes: 367
From: Kansas
assuming you can get the remaining bolts out and get the manifold out of the way, put a larger diameter nut over the broken bolt and weld it...the heat usually breaks it free and you can just wrench it out...
Elder User
Joined: Feb 2014
Posts: 878
Likes: 3
From: british columbia, canada
I just went through this on my 79 f350 4x4. I pulled the clip, then the steering shaft, then I unbolted the mc and layed it down on the frame rails. Then I got in with my die grinder. It was a major pita. Hope that helps.
Elder User
Joined: Jan 2014
Posts: 898
Likes: 3
From: Chillicothe, IA
Just went through this a few weeks ago. All the top bolts broke off. I tried every tool I could get my hands on, and every trick i could find online except welding the nut on. Nothing worked. We ended up drilling and tapping new threads. This too was a pain. It was on the passenger side, I pulled the fender, but mainly because I had just filled the radiator for the second time in 2 weeks and didn't want to drain it again. We had to use a right angle adapter for the drill. A couple of the holes were off center, but close enough to work. It was a great experience for my son. Now maybe he will buckle down and get better grades and be able to pay people to work on his stuff. 
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