Yes.
If it is off more than 2-3 degrees neg or positive.
Also a lean running condition can give a missfire.
Check fuel pressure and MAF sensor. also.
Reset the cam retrt setting as close to 0 degrees as you can get it.
Is your dist adjustable? Or one of the fixd ones?
Here is how to do the base setting on dist.
http://files.automotiveforums.com/ga...hp?photo=51302
After base setting some need fine tune by turning the dist.
MT
MT