SPAYING ON MY TUNE 36lb Lucas Injectors
03-01-2007, 05:08 PM
#1
SPAYING ON MY TUNE 36lb Lucas Injectors I have 00 SS a4 with the plastics under the air filter removed. I believe everything else to be stock besides my injectors. I have TR6's gapped at .035.
I've been spraying a Dry NOS 50 and now wanted to move up so I installed 36lb Lucas blue ring injectors.
The tune that is in now has the settings that I got from redhardsupra 's exel calculator which ranges from 43-47 IFR. I lowered my minimum injector pulse width to .790 from the stock setting of 1.277 for the 26 lb injectors.
Below is an NA WOT run from a roll through an intersection. I have KR up to 2.2. My AFR is roughly 12.2 to 12.5 in 100% TPS. My wideband is in bank one after cat....I know...I know... but it was easier for me.
It took me over 11 seconds to go from 9-80mph.
I was running a consistent 13.5 with a crappy 60 last time a the track. The log looks good to me but I am hoping for more input because I'm new to tuning and don't know what to look for in the logged parameters of HPTuners.
I am noticing what sounds like a light misfire. I was running rich on decel for a couple of days so maybe my plugs aren't too good. Drivability seems fine except light accelation from a decel sometimes that sounds like a light misfire.
Here are my log, tune, and a link to my topic asking about tuning for 36lb injectors. Thanks for reading and double thanks for any input.
https://ls1tech.com/forums/pcm-diagnostics-tuning/665636-36lb-injectors-rich-decel.html
I've been spraying a Dry NOS 50 and now wanted to move up so I installed 36lb Lucas blue ring injectors.
The tune that is in now has the settings that I got from redhardsupra 's exel calculator which ranges from 43-47 IFR. I lowered my minimum injector pulse width to .790 from the stock setting of 1.277 for the 26 lb injectors.
Below is an NA WOT run from a roll through an intersection. I have KR up to 2.2. My AFR is roughly 12.2 to 12.5 in 100% TPS. My wideband is in bank one after cat....I know...I know... but it was easier for me.
It took me over 11 seconds to go from 9-80mph.
I was running a consistent 13.5 with a crappy 60 last time a the track. The log looks good to me but I am hoping for more input because I'm new to tuning and don't know what to look for in the logged parameters of HPTuners.I am noticing what sounds like a light misfire. I was running rich on decel for a couple of days so maybe my plugs aren't too good. Drivability seems fine except light accelation from a decel sometimes that sounds like a light misfire.
Here are my log, tune, and a link to my topic asking about tuning for 36lb injectors. Thanks for reading and double thanks for any input.
https://ls1tech.com/forums/pcm-diagnostics-tuning/665636-36lb-injectors-rich-decel.html
03-10-2007, 10:50 AM
#4
tried over at hptuners a week ago and got one response to lower my transient fuel. tried it and it did not work.
i don't have a clue which parameters and which direction to adjust to fix the rich decel.
i put in some 100 octane and this is what is happenning now with a recent oil change and tr6's gapped at .038:
1. my afr is rich during decel(9's,10's,11's)
2. my afr is lean at 13.2 spraying a NOS dry 50. it will immediately richen when i let off the gas to 12.2-12.6 and find 14.6.
i believe i have false kr since i'm still logging some on the 100 octane that looks similar to kr with 91 octane.
and for some reason my MAP would immediately drops when i let my foot off the gas pedal. say from a 70 MAP it would drop to below 20. whereas when normal it has a slower decline. this has only happened twice in the last week N/A and would go away after the next drive. could my sensor be on its way out?
i don't have a clue which parameters and which direction to adjust to fix the rich decel.
i put in some 100 octane and this is what is happenning now with a recent oil change and tr6's gapped at .038:
1. my afr is rich during decel(9's,10's,11's)
2. my afr is lean at 13.2 spraying a NOS dry 50. it will immediately richen when i let off the gas to 12.2-12.6 and find 14.6.
i believe i have false kr since i'm still logging some on the 100 octane that looks similar to kr with 91 octane.
and for some reason my MAP would immediately drops when i let my foot off the gas pedal. say from a 70 MAP it would drop to below 20. whereas when normal it has a slower decline. this has only happened twice in the last week N/A and would go away after the next drive. could my sensor be on its way out?
