Quote:
Originally Posted by Truck Guy99
Did you read post #9 in this thread?
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Aluminum heads are a different animal than iron heads.
I highly doubt you will have issues getting the bolts out. The bolts snap off on their own when the manifold expands. The problem is not with the threads in the bolts or the heads. I would use a quality penetrant, And a small breaker bar. Avoid constant pressure until you are confident the entire bolt will come off. And use common sense, If the bolt feels like it is going to break, It probably will.
Worst case scenario, They are fairly easy to drill out. I have drilled out several of broken of manifold bolts on these 6.0s