Install a Tremec T56 Magnum in your A-body

go-fish said

Are all the crossmembers the same? I have an e-body and an a-body. The E has a TKO that I want to replace with a Magnum. My A-body project is getting one too, it's an auto, but I don't know which one is getting the swap first. It would be nice if they were compatible so I could decide later if I buy one now.

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The A and E body cross members are NOT the same. There’s really no way they could be, the tunnel width/height and location of the crossmember with respect to its position on the transmission are different between the A and E body platforms. Remember that the E body uses longer torsion bars, so the cross member is further back on the E’s.