APEXI Si

I have a JRSC with a 8lb pully. It is going on a Y8 with colder plugs and a 255 high pressure fuel pump. I know that stock injectors are good up to 7lb on a turbo kit. My question is -> Will i need larger injectors to run my Jackson safely. The reason why i asked is because two of my close friend told me that i should be fine and they are pretty honda inclined. So any info is welcome. Also if anyone as ran this setup before what type of numbers did you get.

GreddySi99

You should be fine!! But I would recommend a upgraded fuel system

Muad'Dib

i would recommend that you at least get the Prelude injectors.

Spunkster

To run safely you should get larger injectors and some way of controlling them and the timing. I recommend the Hondata.

APEXI Si

But running what i have would not be considered dangerous would it. I now with just about any FI you should get larger injectors but this is my dailly driver so i am not expecting crazy numbers just a bit more power.

Muad'Dib

you'll be cutting it close.

fredtoast

I'm running the stock injectors at 8 psi on my ITR. They are probably maxxed out. The big problem is that my fuel pressure goes up to about 100 psi! I am living with it for now because my car is also a daily driver. It is rarely pushed to the limit and never for any extended period of time. Fuel pressure that high could be dangerous, and it is very hard on the pump and fuel lines. If you do get different injectors then you will need some sort of fuel management system. The stock system will not automatically adjust to larger injectors. The prelude 310's would probably be your cheapest upgrade, but if you ever increase your boost (and you will) then go ahead and get some 440's now.

gitwidit

I ran 8 lb pulley with stock injectors for over a year, never had a problem but if you have the oportunity to upgrade, do so. I've got 310 RC's used if anyones interested (upgraded to 440's).

APEXI Si

thank you guy.. that is what i was looking for.. personal experience. I think I am just going to run stock injectors but if i come accross a deal then i will pick up some larger ones.
thanks again

JDMs1eeper

What about 390cc DSM injectors and 255 fuel pump with a Vortec 12:1 FMU? would they do fine with a DX with 6psi JRSC?

FULLTHROTTLE

I am on stock injecors, pump and AEM FPR. 10 psi on the boost gauge and still going strong 1 year later. I am quite sure my injectors are a their peak and I know for a fact that there is more HP to be found if I would just stop being a ***** and get some 440s and Hondata. But I still winning races so It will have to wait.

Muad'Dib

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Typesi2nv &raquo;</TD></TR><TR><TD CLASS="quote">What about 390cc DSM injectors and 255 fuel pump with a Vortec 12:1 FMU? would they do fine with a DX with 6psi JRSC?</TD></TR></TABLE>more than enough.

JDMs1eeper

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MouhadIb &raquo;</TD></TR><TR><TD CLASS="quote">more than enough. </TD></TR></TABLE>

what about if i use the 8psi pulley?

Muad'Dib

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Typesi2nv &raquo;</TD></TR><TR><TD CLASS="quote">

what about if i use the 8psi pulley?</TD></TR></TABLE>i ran an 8# pulley since day one. I've used 370 injectors and didnt have a problem. my stock injectors were maxing out at first but I didnt want to chance it.