Join Date: Jul 2009
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Re: Exhaust Manifold outlet threads
Unfortunately, on the A-4, the bolts holding this flange do not go all the way through. So you can't use a thru bolt. After looking at the flange on my engine, being that is is a very low stress point, I would imagine heli coils would work. I just always looked at heli coils as a temporary fix.
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