Confusion when living in the states and buying parts from Australia
Never mind the port sizes here. What's important is the new manifold on the bottom has sufficient sealing material around the ports. The top unit is the Offenhauser 273 manifold conversion. The Offenhauser works on 340/360 heads but one must pay attention when installing on 340/360 heads to get a proper seal.
Never mind the port sizes here. What's important is the new manifold on the bottom has sufficient sealing material around the ports. The top unit is the Offenhauser 273 manifold conversion. The Offenhauser works on 340/360 heads but one must pay attention when installing on 340/360 heads to get a proper seal.