Early A exhaust manifold questions

I am still on the bubble, you guys are making a v8 look soooooooo good but on the other hand, the simplicity of a worked slant...... also sounds good and easier.

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I have had a V8 and now a slant in my Valiant. the slant isn't as fast but, I like it. its a Lot easier to work on too.
mine had a couple shims under the mounts and some magnum manifolds on it.