Many thanks on wedding!
Pressure is std whatever that is ( it varys ) and was still a little rich but agree its prob at about 100% duty.
To be honest i think Fuel pressure plays a big part in most setups on std injectors and fpr on what you can get power wise. The variation in pressure on a std regulator ive been told is significant so some are low and some are high. 440's at the right pressure act like 480's so you have some scope. When i took the head of not long ago there was no sign of det or running lean.
I only run at this a few times so not always at max boost.
Injectors run 100% duty almost at anything above stock boost as long as fuel is there it sould be ok and i dont rag it everywhere only occasionally.
Spool on this turbo when on std topmount was only slightly higher than my std ct26 and with front mount is still amazingly good. From memory .9bar about 3.5-4k and usable boost about 3k Where torque peeks on graph is around 4200rpm
One thing i do know is that formulars are only best fit i know of many a 300+bhp car running 440's that are perfectly fine but that site still states not enough fuel... Only real way is RR with af ratio....
they give you a good estimate on requirement but its not exact science. Does not take into accunt atomisation etc only the theory...
Last edited by MrDB
on Tue Jul 01, 2008 9:41 am, edited 1 time in total.