woodie spine advice?

[3Feathers]

Picked up a used longbow.Its 66in. 57@26 Will be using 160gr. field points and 135gr. bhs.Need a idea on what spine wood shafts to order.Finished
arrow willbe 28 1/2in.I have some 60/65 in ash but don,t seem to fly very good.Should I go heavyer on the point weight or a heavier spine?

[m midd]

i shoot 55-60 160grain head 30 1/2" out of my 64" 63# longbow.. Both cedar and fir