Here is my solid roller cam set-up.
We had to use the billet roller cam from the buick 3800. Then i had my friend shaun grind it to the TR spec (.620 valve lift).
You should contact shaun tiede, He is a camshaft professional. You can do a search on this forum for his PM/e-mail addres
stiede@austin.rr.com , his e-mail address.
T.A. performance sells all the hardware to complete the cam installation.