so benny you supposedly have a kb cobra, but you are still on stock injectors?

 

hmm...i see dan locked the other threads.....get this one too!



i do believe the phrase "way the fuck off topic"....comes to mind

 

"Supposedly" like he may not have one?

The stock injectors are ok up to the 550-600 power range. Much more than 600 and it should be time to move up.
Duty cycle anyone?

Also there is no need for a larger MAF unless you are pegging the stock one.
MAF's do not add power, but im sure you already knew that.

*edit numerical accuracy.

 

fc735 thats exactly what i was thinkin lol..

its not really a good idea to go much higher than 85% duty cycle, thats pretty much a rule of thumb.

 

ive never heard of anyone using 39lb injectors with 550+rwhp, didnt know it was possible without an fmu....im impressed

 

as im also impressed he has stock tires with that much hp

 

All KB systems use an adjustable boost-a-pump.

Which supposedly is better than a FMU, since the FMU limits you to a fixed wide open throttle pressure. Idle "should" be better with this system.

 

i thought boost-a-pump was to prevent fuel starvation with stock fuel pumps...oh well

 

hmmmmm

 

it increases voltage to the fuel pump when you get into boost to prevent a lean condition.

ed clark went 11.79 @119 with the stock fuel pump in his Novi1000 blown, 400 rwhp Gt with the stock fuel pump and a BAP