Well.....I'v got also Porsche oilsquirters on a TF-1 case and aluminum nikasil cylinders. My cylinders are LN engineering - Charles at LN engineering said that oilsquirters are definetly not necessary with his nickies + JE's on a N/A VW engine, but they dont hurt either.
Rimco and Brothers VW can install them properly.
http://www.thesamba.com/vw/forum/vie...irters&start=0
http://shoptalkforums.com/viewtopic.php?p=374158
http://www.thesamba.com/vw/forum/vie...578697#5578697