Bruce, Surprised you didn't say when in doubt degree the cam! Then you know it's right. I do remember in the 70-80's buying chains/gears for 60's 302/289 motors because the 70's setups where retarded. I would think most performance oriented stuff would be straight up, But HEY,,, that's just ME! Now, where have I seen that before??? :] -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II " I realize that death is inevitable. I just don't want to be around when it happens! " -------------- Original message ---------------------- From: "Bruce Hevner" <scramblr@xxxxxxxxxxx> > >i have heard that the frod cams were retarded by as much as 6-8* for the > late 70's. i need to know >what to do about mine in the chero. > > It wasn't the cams,, it was the timing chain gear. And mostly on the 460s if > I remember correctly. Make sure and use a HP timing chain set and you should > be OK. Wouldn't hurt to check the cam though. > > If in ANY doubt about cam choice,,, CALL THE MFGR (except Comp!!,, don't > EVEN get me started). I have found MOST of them (especially the smaller > guys) to be very helpful in picking the correct cam for your combination. > > Dyno 2000 is getting pretty old (I was a beta tester for it). You might want > to look at this stuff,, > http://www.virtualengine2000.com/ > They have a free engine kackulator that is helpful. > > But HEY,,, that's just ME! > Bruce Hevner > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://splatter.wps.com/pipermail/amc-list/attachments/20081009/97e1c696/attachm > ent.htm > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list