Critique my first tune
10-08-2011, 10:50 AM
#1
Critique my first tune
call me a 
a dumbass whatever i just dont care
i've been working on this for weeks now (yes it was the diy facebook sale)
i made my more precise progress after i finally got my wideband last week
I have been doing alot of reading
Alot of driving (damn it costs a lot of fuel to learn this ****)
I am learning to tune now as my goals are to put a small turbo on my 1.6 next spring and in a few years put a really nice system on my 1.8 drivetrain sitting in my garage
my only mods are the diypnp (obviously) afm delete, gm open element iat sensor. mtx-l wideband and a light flywheed
I think I finally have a rough fuel table that is really close to producing satisifiable afr's. of course it still needs some fine tuning
This thread is so that those with experience (i have no friends who even know the first thing about tuning) can look over my work and critique it
i have uploaded my tune (which has not been edited between any of the data logs) and 5 logs from the same day. the ones that say cold in them were when i started the motor after it had been sitting (though of course you can read the clt) and the others were fully warm from the start of the log. the .msl's that have been zipped aren't massive, they are just slightly over the mb limit.
the .msl titled look at me was me trying to get the one and only problematic lean spot to show its face. there is a marker. sometimes it goes even leaner in that spot that the log shows. it can often max out the o2 reading.
so what should i do about that? manually richen it up? although often it runs fine in that spot as well and when i richen it ve just puts it right back to where it is.
other than that in all the logs i am very satisified with the afr's except for on of them, the fromadamscold one. it is often in that .msl holding steady in the low fifteens when there is nothing leaner than 14.7 in my afr tables (i took the 15.5's out of diys base because for my particular style i didnt like exactly where they were at and plus i wanted to have just 14.7 for easier learning)
and yes i know there is a huge spike in the fuel table in low rpm/high kpa that ve analyze keeps wanting to put in there. so i should take that out, make it smooth and leave it as is? and yes i know i shouldn't be letting ve analyze messing with such low rpms but since i switched operating systems i forgot to change that back and i wanted to leave the tune i used un-edited for you to see.
this screenshot of an .msl is from the lookatme datalog
yes it is a rought tune and still has work to be done
im looking for a critique for my work so far
thanks for reading
jared
a dumbass whatever i just dont carei've been working on this for weeks now (yes it was the diy facebook sale)
i made my more precise progress after i finally got my wideband last week
I have been doing alot of reading
Alot of driving (damn it costs a lot of fuel to learn this ****)
I am learning to tune now as my goals are to put a small turbo on my 1.6 next spring and in a few years put a really nice system on my 1.8 drivetrain sitting in my garage
my only mods are the diypnp (obviously) afm delete, gm open element iat sensor. mtx-l wideband and a light flywheed
I think I finally have a rough fuel table that is really close to producing satisifiable afr's. of course it still needs some fine tuning
This thread is so that those with experience (i have no friends who even know the first thing about tuning) can look over my work and critique it
i have uploaded my tune (which has not been edited between any of the data logs) and 5 logs from the same day. the ones that say cold in them were when i started the motor after it had been sitting (though of course you can read the clt) and the others were fully warm from the start of the log. the .msl's that have been zipped aren't massive, they are just slightly over the mb limit.
the .msl titled look at me was me trying to get the one and only problematic lean spot to show its face. there is a marker. sometimes it goes even leaner in that spot that the log shows. it can often max out the o2 reading.
so what should i do about that? manually richen it up? although often it runs fine in that spot as well and when i richen it ve just puts it right back to where it is.
other than that in all the logs i am very satisified with the afr's except for on of them, the fromadamscold one. it is often in that .msl holding steady in the low fifteens when there is nothing leaner than 14.7 in my afr tables (i took the 15.5's out of diys base because for my particular style i didnt like exactly where they were at and plus i wanted to have just 14.7 for easier learning)
and yes i know there is a huge spike in the fuel table in low rpm/high kpa that ve analyze keeps wanting to put in there. so i should take that out, make it smooth and leave it as is? and yes i know i shouldn't be letting ve analyze messing with such low rpms but since i switched operating systems i forgot to change that back and i wanted to leave the tune i used un-edited for you to see.
this screenshot of an .msl is from the lookatme datalog
yes it is a rought tune and still has work to be done
im looking for a critique for my work so far
thanks for reading
jared
Last edited by jared8783; 10-08-2011 at 11:05 AM.
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10-08-2011, 03:24 PM
#2
Junior Member
Join Date: Sep 2010
Location: SFL
Posts: 369
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call me a a dumbass whatever i just dont care
i've been working on this for weeks now (yes it was the diy facebook sale)
i made my more precise progress after i finally got my wideband last week
I have been doing alot of reading
Alot of driving (damn it costs a lot of fuel to learn this ****)
I am learning to tune now as my goals are to put a small turbo on my 1.6 next spring and in a few years put a really nice system on my 1.8 drivetrain sitting in my garage
my only mods are the diypnp (obviously) afm delete, gm open element iat sensor. mtx-l wideband and a light flywheed
I think I finally have a rough fuel table that is really close to producing satisifiable afr's. of course it still needs some fine tuning
This thread is so that those with experience (i have no friends who even know the first thing about tuning) can look over my work and critique it
i have uploaded my tune (which has not been edited between any of the data logs) and 5 logs from the same day. the ones that say cold in them were when i started the motor after it had been sitting (though of course you can read the clt) and the others were fully warm from the start of the log. the .msl's that have been zipped aren't massive, they are just slightly over the mb limit.
the .msl titled look at me was me trying to get the one and only problematic lean spot to show its face. there is a marker. sometimes it goes even leaner in that spot that the log shows. it can often max out the o2 reading.
so what should i do about that? manually richen it up? although often it runs fine in that spot as well and when i richen it ve just puts it right back to where it is.
other than that in all the logs i am very satisified with the afr's except for on of them, the fromadamscold one. it is often in that .msl holding steady in the low fifteens when there is nothing leaner than 14.7 in my afr tables (i took the 15.5's out of diys base because for my particular style i didnt like exactly where they were at and plus i wanted to have just 14.7 for easier learning)
and yes i know there is a huge spike in the fuel table in low rpm/high kpa that ve analyze keeps wanting to put in there. so i should take that out, make it smooth and leave it as is? and yes i know i shouldn't be letting ve analyze messing with such low rpms but since i switched operating systems i forgot to change that back and i wanted to leave the tune i used un-edited for you to see.
this screenshot of an .msl is from the lookatme datalog
yes it is a rought tune and still has work to be done
im looking for a critique for my work so far
thanks for reading
jared
a dumbass whatever i just dont carei've been working on this for weeks now (yes it was the diy facebook sale)
i made my more precise progress after i finally got my wideband last week
I have been doing alot of reading
Alot of driving (damn it costs a lot of fuel to learn this ****)
I am learning to tune now as my goals are to put a small turbo on my 1.6 next spring and in a few years put a really nice system on my 1.8 drivetrain sitting in my garage
my only mods are the diypnp (obviously) afm delete, gm open element iat sensor. mtx-l wideband and a light flywheed
I think I finally have a rough fuel table that is really close to producing satisifiable afr's. of course it still needs some fine tuning
This thread is so that those with experience (i have no friends who even know the first thing about tuning) can look over my work and critique it
i have uploaded my tune (which has not been edited between any of the data logs) and 5 logs from the same day. the ones that say cold in them were when i started the motor after it had been sitting (though of course you can read the clt) and the others were fully warm from the start of the log. the .msl's that have been zipped aren't massive, they are just slightly over the mb limit.
the .msl titled look at me was me trying to get the one and only problematic lean spot to show its face. there is a marker. sometimes it goes even leaner in that spot that the log shows. it can often max out the o2 reading.
so what should i do about that? manually richen it up? although often it runs fine in that spot as well and when i richen it ve just puts it right back to where it is.
other than that in all the logs i am very satisified with the afr's except for on of them, the fromadamscold one. it is often in that .msl holding steady in the low fifteens when there is nothing leaner than 14.7 in my afr tables (i took the 15.5's out of diys base because for my particular style i didnt like exactly where they were at and plus i wanted to have just 14.7 for easier learning)
and yes i know there is a huge spike in the fuel table in low rpm/high kpa that ve analyze keeps wanting to put in there. so i should take that out, make it smooth and leave it as is? and yes i know i shouldn't be letting ve analyze messing with such low rpms but since i switched operating systems i forgot to change that back and i wanted to leave the tune i used un-edited for you to see.
this screenshot of an .msl is from the lookatme datalog
yes it is a rought tune and still has work to be done
im looking for a critique for my work so far
thanks for reading
jared
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10-08-2011, 04:51 PM
#3
i am aware of the accel enrichment but an unaware on how exactly to fine tune that so i haven't messed with it yet
i must do more readings
another question
in this screenshot i am cruising between 50-55
why is the afr so unsteady?
why is the gego going up and down probably causing the unsteadiness
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