The volume created by @SUMA_Make_Spec_FS (Surface Volume) is typically not in alignment with the functional data. Perhaps you missed the part involving the alignment of the Surface Volume to the experiment's anatomical volume. For more info see the following sections on this page: [
afni.nimh.nih.gov]
Figure 1: Aligning the surface to the Experimental data
Aligning SurfVol to ExpVol using 3dVolreg (via @SUMA_AlignToExperiment)
Cheers,
-ziad