chevy smallblock intake manifold

I have a holley dominator intake for a smallblock chevy. How can I tell if it is for a pre '87 motor?
If all of the intake mounting to cylinder head bolt holes are on the same angle then its pre 87 ( non TBI). If the four centre bolt holes are on a more up right angle then it’s meant to be on a TBI (throttle body injection) cylinder heads.

Dan.

Canadian "EH"





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