8 btdc, i think...that's what I set my 90 to. Make sure you unplug the vac advance on the dist cap.
You're never to old to have toys!
'90 YJ, 4" RC Suspension lift, 1" Shackle lift, SYE and CV, Holley Carb, 33/12.50/15 Dynapro M/T's. RIP my old friend.