I've never used any of the coatings. I did run a Comp 288AR solid roller and it was a -8 cam as well. I never had a problem with mine, but there is no guarantee ever with the cast roller cams.
Looks like its going to be a fun engine you are putting together, hope it all works out for you
Jeff
__________________
Jeff
1969 Chevelle SS, 505 CID BBC 686hp, Tremec TKO600, 12 bolt 3.73 rear 5 speed
2007 Trailblazer SS, LS2, 4L70E, AWD, 4.10 gears Its a 475 hp daily driving grocery getter
2006 Cadillac CTS-V LS2 and a 6 speed
|