Dumb Question

[mudman]

Sorry guys, but I just want to be certain that I'm buying the correct part.

 

I want an intake manifold for an EA71 (unknown year), with a top mount starter. It is not the fat case. Will any year 1600cc intake manifold bolt up, or do I need the exact year. I dont care what carb is on it because I'll be choping the intake for some dual carbs. I've got the opportunity to buy an 82 1600 cc intake, and also a 79 1600cc intake for cheap cheap. Will either of these fit? The original intake had the hitachi set up. Any help is appreciated.