is an 87 n/a tb the same as an 87turbo tb? specificly, can the two be swaped out with out modification? would thare be a point? is the 87turbo upper mannafold better than the 87 n/a? anyone tryed this ****??? if not why the hell not?

 

The TB's are exactly the same size (3 x 45mm), so there's no point. They sit opposite ways up too, so I think the linkages and other externals are a bit different.