Quote:
Originally Posted by JGalt
My recollection is the the 911R / 906 manifolds were magnesium, not steel.
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Where did you see that anyone suggested any manifolds were steel?
I've never seen a ferrous 911 intake manifold, but I don't claim to have seen them all. But I can't imagine why there'd ever be one.
The only reference to R/906 manifolds in this thread was the caption to the photograph that referred to them as magnesium.
(There was a reference to steel velocity stacks, as opposed to the sometimes-plastic factory versions...)