I shoot a compressed and tapered cedar at full length (32") and tip them with 160 gr. grizzlies. If I'm not mistaken they are about 650+grains.

Shooting light carbon arrows in a tradtional bow can potentially cause structural damage to your bow. There may not be enough weight to "absorb" the stored energy. You could be potentially dry firing your bow. Your arrow seems very light. This gains you nothing.
Compound engineering designs for a limb length/arrow weight to maximize arrow speed.This really doesn't serve when analytically thinkingor applying traditional archery.