Quote:
Originally Posted by Texas63GMC
my understanding is that the non magnum 351s have the same exhaust manifold as a 305. The magnum 351 has different manifolds.
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The mounting flanges are the same on the 351E, only the passages of the manifolds are bigger, even the I beam manifold used on Magnum engines with the triangular flange will bolt up to the 305E exhaust.