Hey mate car is on 25psi now and on e85 now with 1650 injector(will swap to id2700) and good fuel set up and i have the load opened up to suit were i am now i was just after some feed back on weather or not it would change alot of other things i might not know about if i changed the numbers Yes the timing numbers seam to be the same with most of the engines with this bore size and chamber shape and comp I have been playing with one on meth and it only wants the same numbers it can take more but for very little gain I have done a lot of work with another 6cyl high boost engine i hope to take what i have learnt from that and move it over to the barra I hope to see around 60psi from the compound setup running meth I have a built engine ready to go in the car now and am just waiting on a turbo 400 and to finish off some pipe work for the compound