Free: Contests & Raffles.
At this point if your broadheads will group well with each other i would say just sight to them. You could try small rest adjustments but its fairly late and if you dont have experience doing that it could cause more problems.
Those broadheads should fly pretty much the same as the field points. I shoot the same and index the vertical blade with my string. How are yours indexed? Are they all the same?
The advise the others gave to just sight in to your bh's at this point in (limited) time is probably the wisest. When you have more time you can work on tuning, form, or what ever is causing the bh's to group differently.
My broadheads always drop a little faster out more than 20 yards. They fly fine but they do drop faster. My 20 yard pin is good. My 30-yd pin is about 4" low. My 40-yd pin is 6" low. I now use the 40 for 35 and my 50 for 40. I've never had field points and broadheads shoot exactly the same. I know a bunch of guys will come on here and tell me my arrows or bow aren't tuned right, but that's not the case. I believe that a 125 gr broadhead has more surface area and more drag than a 125 grain field point.
My grouping is really great. At 40 yards it's about 3" total. I'll think about trying to move the rest, but if it's just to make the broadheads hit the same as the field tips when the broadheads are already grouping very tight, I'm not sure I want to mess with it. They're certainly flying straight. Windage doesn't change at all. And at 20 yd, the point of impact is identical.
I believe that a 125 gr broadhead has more surface area and more drag than a 125 grain field point.
Next thing you're going to tell me is that smelling like a brewery and putting on cologne to cover it up is freaking out the elk. I don't know you guys. Being wrong is ticking me off!