Yes, the volume is more than enough, as evidenced by N1 reaching close to
"Sean Trost" wrote in message
Cooling would take one leg of the combustion triangle out of the picture.
I dare say it would take a large amount of cooling to do so.
I suspect that a more plausable reason would be the fuel air ratio being
outside the LEL.
The manual calles for 145 psi and 1.21 lbs volumn. are you getting the
volumn with the setup you are using ?
all the best.