well some guys in japan use a t04r with a.81 a/r. but the 1j is camed thought. im running .70 on my turbine. but i had a lag problem untill i got cams.
so from my experience you can use a .81 on a 1j, but you would ned a set of cams to have ok response.
so from my experience you can use a .81 on a 1j, but you would ned a set of cams to have ok response.
