74 Big Block guy's

[jhoop]

I am trying to verify the casting # for 74 big block HP exhaust manifolds. What I have found the drivers side is casting # is 3751068 but am having trouble verifying the passenger side. It may be a 3751071, 3751294, or 3769207 but im not sure. hoping someone with a 74 400HP or 440 in a roadrunner or charger can help me out. What I also understand is the drivers side manifold does not have the heat riser. I have this posted in the 71-74 Charger site but thought I might get more traffic here.

 

[jhoop]

Anyone have a way to verify? I think it might be casting # 3769207 but would like to get someone to verify that.