For those of you not on the ZR-1 Net list

[vandornjim]

Originally Posted by XfireZ51

Could it be the sloppy tolerance between the cam sprocket and cam nose allowing up to a 6 degree swing in timing? Is that why GM went to 2 flats for the 93-95 cams? Pete could provide his significant insight on this issue.

Well, that's a possibility but the cam sprocket should be pretty tight on the cam in the first place. We Loctite them.

So are we going to get into tech stuff and ruin my stories?