cool, nothing wrong with ofac unless ya wanna run big boost and then it requires either a live mao with a skilled mapper or serious headwork/cams/turbo BUT the injectors wont flow that anyway

i fitted a ofac beige chip from msd and set it to 16psi and the engine is in another car now with all the loom ect ( i got a frst and took the ofab and converted that to ofac and also kept the engine, was bored at the time) and thats still running

speak to kenny@MSD ( Stu's boss ) as he knows awfull lot about em and can fault find off the top of his head, he talked me thrugh the conversion on the phone with no notes

take it up to them and give em a play and ya wont do wrong

besides rolls engine aint a big boost jobby and so dont think its ment for more than 15psi