Possible roller tappet adaptation data

[panic]

Wrote up some thoughts here, take a look: http://victorylibrary.com/mopar/roller-adapt.htm

[Morpheus]

Panic... check out the Caddy Northstar hydraulic roller lifters. Improved rpm range over "normal" GM rollers. Of course the article was about slow-pars, and they use a much larger lifter, but you could always bush them.               
                                                             Morph