RC 55lb injectors at 80% duty cycle
10-23-2006, 09:35 PM
#1
RC 55lb injectors at 80% duty cycle I did the mathematics that were on the sticky above and the math came out that at 80% and 65psi they are good for somewhere around 750fwhp... Is that correct?? Has anyone ran these and had actual results from them...
10-25-2006, 08:16 AM
#3
My calcs... show you are OK.
At 65psi, the 55# inj should flow 67#/hr.
750 FWHP at .5 BSFC, 80% DC, shows a 59# inj is required.
Looks like you are good to go, as long as this is a N/A application.
If it's FI, then the #/hr rises to 71#, and you are a tad short.
If you stretched the DC out to 90%, then it requires 62.5#/hr. IMO, not enough safety cushion.....
My suggestion: Put in a set of Mototron 60's and be done with it.
Back to
under the FI bench.... 
At 65psi, the 55# inj should flow 67#/hr.
750 FWHP at .5 BSFC, 80% DC, shows a 59# inj is required.
Looks like you are good to go, as long as this is a N/A application.
If it's FI, then the #/hr rises to 71#, and you are a tad short.
If you stretched the DC out to 90%, then it requires 62.5#/hr. IMO, not enough safety cushion.....
My suggestion: Put in a set of Mototron 60's and be done with it.
Back to
under the FI bench....
10-25-2006, 11:41 AM
#4
Thanks man, I was getting scared that no one was going to even attempt to tackle this question... So if I go with the motrons I should be fine with 750fwhp when I get a forged bottom end...
BTW I miss Georgia... I was stationed in Athens for a year and absolutely loved it... You can't beat the south... =)
BTW I miss Georgia... I was stationed in Athens for a year and absolutely loved it... You can't beat the south... =)
