I NEED HELP!!

[superstroker99]

My truck, running 350/200 FFD injectors S475/96 turbo ported heads all the supporting mods. SRP HPOP feeds oil fine. Truck is just lazy weak feeing got good low end power falls on it face in the rpms. I have done alllll i know to do. Best run friday night was a 8.7 @ 78 MPH. Someone please point my in the right direction.

 

[Gearhead]

Whose tuning are you running? What is ICP at WOT sustained?

 

[Magnum PD]

What kind of fuel system do you have?

 

[superstroker99]

Brian jelich has tuned it twice. same results. depending on tune ICP anywhere from 2800- 3100 48-62% DC on the IPR

 

[superstroker99]

fuel system was built here in the shop. A1000 1/2 inch line RR hold 68psi all day long put a gauge on it just to be sure

 

[NathannialD]

hows the trans and converter? boost pressure and backpressure?

 

[superstroker99]

I didnt give nothing to go off of did i lol sorry. Boost i see about 46-50 back pressure about the same 60 TOPS! trans and converter hold very good did hurt first gear clutches on the last run but had run the 8.7 before that

 

[superstroker99]

Ran a cylinder contribution test... well 1,2 and 8 injector fault..... guess that would be a start