Does anyone know the different size exits on the magnum manifolds.Are the
early ones the same shape as the 94-97 so you get the good flow.i know all
the exhaust ports are the same for all the a engines.I am putting a magnum
300 crate in a 1964 polara ragtop and I want to use the magnum manifolds but
want to get the biggest exits possible.Unless someone has a early set of 340
manifolds they are willing to sell.
brian in seattle
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