Nos dual jet ???? Please help
11-18-2009, 12:17 PM
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Nos dual jet ???? Please help ... i have the harris speed interface... and i am running a 5177 kit split noids and have a .063/.065 jets in them... now whats the rating on the shot size with these 2 jets?... when i put it into the nitrous calculator (the jet one thats linked on the site) it tells me 380ish? now i got almost 200 wheel but it was LEAN AS HELL... and i only had the box set up for a 180 shot... so do i need to turn the box up or what?
11-18-2009, 04:13 PM
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yea just got off the phone with NOS and they said the same thing.. well i guess my math got messed up some where and i flipped the harris box to 180 for some reason thinking it was a 200 wheel shot... SOOOOOOOOOOOOOOO i am going to set the harris box up MAXED out and see where my a/f goes and play from there
11-19-2009, 02:26 PM
#5
A 5177 kit has basicially 2 purge solenoids on it, and won't flow anywhere near the power you think it will.
With no jets at all it maxes out at about 200 rwhp if I remember correctly.
Now, if you put some bigger noids on there, and upgrade to a-6 line you can spray way more then I would try to do thru the intake in that fashion that's for sure.
Personally, once you get to the 200 hp level, IMO you need individual cly tuning ability.
With no jets at all it maxes out at about 200 rwhp if I remember correctly.
Now, if you put some bigger noids on there, and upgrade to a-6 line you can spray way more then I would try to do thru the intake in that fashion that's for sure.
Personally, once you get to the 200 hp level, IMO you need individual cly tuning ability.
11-21-2009, 04:56 PM
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well i dropped pill size to .045's and its STILL LEAN no matter if the harris box is used or i set the box at 300... its still lean..... i dont know what the hell to do but go wet shot and call it a day......
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11-23-2009, 09:42 AM
#12
13.5 isn't too lean if your timing is right, you have enough octane in the fuel and your running the right heat range plugs.
I'd like to see some plugs after a hit and see what they look like. Also like to know what fuel, what plugs your running, compression both static and dynamic.
The 13.5 a/f, what are you getting that from as well, and how old is the O2 sensor itself that you are using?
I'd like to see some plugs after a hit and see what they look like. Also like to know what fuel, what plugs your running, compression both static and dynamic.
The 13.5 a/f, what are you getting that from as well, and how old is the O2 sensor itself that you are using?
11-23-2009, 06:15 PM
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13.5 isn't too lean if your timing is right, you have enough octane in the fuel and your running the right heat range plugs.
I'd like to see some plugs after a hit and see what they look like. Also like to know what fuel, what plugs your running, compression both static and dynamic.
The 13.5 a/f, what are you getting that from as well, and how old is the O2 sensor itself that you are using?
I'd like to see some plugs after a hit and see what they look like. Also like to know what fuel, what plugs your running, compression both static and dynamic.
The 13.5 a/f, what are you getting that from as well, and how old is the O2 sensor itself that you are using?
11-23-2009, 07:28 PM
#14
your running too hot a plug. If the #7's are fouling out it's because your part throttle tune is junk and needs to be cleaned up. Honestly, with 11/5 to 1 compression you should be running a #7, maybe a #8
You may have an inadequate fuel supply, that could be causing the surging as well. Timing could be too high, alot of possible causes to the problem. If you have a FPSS on the car shitcan that thing too, they never work right and are 99% of the time a headache, epsecially with on/off/surging type issues, damn things will make a kit come on and off just from vibration.
If the car isn't tuned in open loop, that's definitely causing problems, nitrous and o2's don't get along from my exp all that well, especially when you get into fully built motors and whatnot.
You have a tuning problem, not a lean condition. Get the tune right so it will drive on the #7 plug without any problems, then start there.
You may have an inadequate fuel supply, that could be causing the surging as well. Timing could be too high, alot of possible causes to the problem. If you have a FPSS on the car shitcan that thing too, they never work right and are 99% of the time a headache, epsecially with on/off/surging type issues, damn things will make a kit come on and off just from vibration.
If the car isn't tuned in open loop, that's definitely causing problems, nitrous and o2's don't get along from my exp all that well, especially when you get into fully built motors and whatnot.
You have a tuning problem, not a lean condition. Get the tune right so it will drive on the #7 plug without any problems, then start there.
11-23-2009, 07:56 PM
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will do i am gettin hp tuners at christmas.. was just gonna switch to a wet kit but i have ALWAYS RUN DRY since like 00 lol on all my thirdgens..... i thought it might have been a tunning issue but wasnt sure... i wanted to run around on the 7's but got less then like 1k miles out of them so i bet it was the part throttle stuff.. i still might go to a wet kit.. but we will see at christmas