I have a '57 or 58' J2 six pack intake for the Oldsmobile 371. I've seen contradicting information that it either will or will not fit the 1960 year model 371. To me it doesn't make sense unless they changed the heads in some way. I have a feeling that it just wasn't available in 1960 as opposed to it not fitting. Can anyone clarify for me? I'd LOVE to run this intake on my '60 Olds project.