R61 heatsink query.

[thinkpadcollection]

All the R61 15.4" heatsinks could find on ebay are poor aluminum fins. I could really just fit in T60 heatsink but the rear copper heatsink fins hits the plastic grille.

I would love to solve this by cutting out grille or swap R61 guts to T61 which I already have but missing keyboard bezel parts.

Cheers, thinkpadcollection