I am shooting a mathews drenaline with a no tube peep, wisker biscuit and a single pin impact archery sight. The bow shoots great! 15-35 yds a little kentucky windage and i'm good. I have recently noticed that the string,the center of the biscuit, and the sight are not in line. There is about a 3/16 tto 1/4 in difference. I also noticed the arrow wiggling a little during flight. Is this acceptable? If it ain't broke don't fix it?

With a Mathews bow they may not line up. I have the Drenalin also. Look at the string in relation to the line on the back of the grip. Sight should be pretty close in line. Arrow should be centered about 13/16" from the riser edge to start with. To check your idler lean lay an arrow on teh rest side of the idler. Tip of arrow should be almost touching where the arrow nocks the string. At full draw the idler will rotate out and the sting should be tracking straight of the idler. Paper tune for bullet holes. If you can't get them but are close it is ok. Then walk back tune moveing the rest in very small incraments until it is right. If you have any questions go to the Mathews forum and ask over there. There is a world of help over there and they are great people willing to help.

Thanks Epox, Yea just by looking at it my sight is about 3/8 out to the left. Gonna try the paper tune next couple days. If it punches a decent hole i'll leave it.