Damper mark @ dot to dot ? ASAP
Heads not on yet and do you have a dial indicator?
If so, just remark the balancer so you can use the 70+ cover. Not hard to do.
If heads are on, get a piston tdc stop and remark the balancer.
Do a hillbilly timing tape while you are at it.
![](http://img.photobucket.com/albums/v655/crackedback/Mopar%20info/HillbillyTimingtape001.jpg)