Fueling your thoughts(with power charts)
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15-02-2006, 02:26 PM
#8
Team HOTHOT!
thats far too rich, 11.2 afr would be about right for the boost levels, looking at that graph, its trying to fall off the bottom of the scale its that rich 
if the fuel mixture was setup properly, then i rekkon that a few more horses could be squeezed out of the engine easily
if the fuel mixture was setup properly, then i rekkon that a few more horses could be squeezed out of the engine easily
15-02-2006, 02:29 PM
#9
DEYTUKURJERBS
Originally Posted by Graceland
thats far too rich, 11.2 afr would be about right for the boost levels
esp if there isnt individual injector trim and the inlet means there is a very unequal amount of airflow per cyl.
but still, 10 and less (looks like goes right off the charts) is properly rich.
15-02-2006, 08:13 PM
#19
Why is it so rich? Restrictive exhaust?
Most motors will missfire at this level, in fact, i will be surprised if the HC's on this arent off teh scale too. However, unless we know WHY its been done so rich, theres not a lot can be said. There is defo another 10% or more power in that motor just from leaning, but it will be a brief period of celebration if the EGT's kill all its exhaust valves
Most motors will missfire at this level, in fact, i will be surprised if the HC's on this arent off teh scale too. However, unless we know WHY its been done so rich, theres not a lot can be said. There is defo another 10% or more power in that motor just from leaning, but it will be a brief period of celebration if the EGT's kill all its exhaust valves
15-02-2006, 08:32 PM
#20
PassionFord Post Whore!!
Thread Starter
stu just badly mapped mate, the engine is a Un known quanitiy so I think it was mapped rich to stop problems. but I think it could go a little leaner as it miss fires at lower boost and is ok at higher boost
15-02-2006, 08:42 PM
#23
DEYTUKURJERBS
Originally Posted by JohnnyB
I really dont want to say this, but I have been told it was not mapped to be that rich, mabe a bad lamba sensor?
fucked sensor of some sort tho is possible
15-02-2006, 08:49 PM
#24
PassionFord Post Whore!!
Thread Starter
steve it was mapped on a well known rolling road, with wide band stuffed up the exhust, so my thoughts are the wide band lamba is not working
15-02-2006, 08:57 PM
#26
PassionFord Post Troll
I think jonny means the wide band lambda that was used to map it.
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
15-02-2006, 09:02 PM
#28
PassionFord Post Whore!!
Thread Starter
well garage you have got it spot on. The rolling road was demo'd with out extraction. I had to go back to work as I felt sick
The demostrator said he eye's were streaming for ages
The demostrator said he eye's were streaming for ages
15-02-2006, 09:06 PM
#29
Originally Posted by Garage19
I think jonny means the wide band lambda that was used to map it.
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
Mark
15-02-2006, 09:07 PM
#30
PassionFord Post Whore!!
Thread Starter
the orginal mapping yes Stu. thats what I hope.
Lets just say it was mapped at a well know rr in the midlands.
I don't want to say the mapper or rolling road, but please don't use them for anythink but a power run.
Lets just say it was mapped at a well know rr in the midlands.
I don't want to say the mapper or rolling road, but please don't use them for anythink but a power run.
15-02-2006, 09:23 PM
#34
Norris Motorsport
May I just say that I believe Nobles have had issues with their AFR equipment BUT it is correct now.
In the past when I have run cars up for a power run at nobles their AFR readings have been a lot leaner than I have mapped the car.
Thus when cars were mapped on their rollers they were excessively rich on the road.
However Nobles have since renewed/serviced their lambda equipement and last week when we ran Tims ERST up it measured lambda 0.82 exactly as I had mapped it.
In the past when I have run cars up for a power run at nobles their AFR readings have been a lot leaner than I have mapped the car.
Thus when cars were mapped on their rollers they were excessively rich on the road.
However Nobles have since renewed/serviced their lambda equipement and last week when we ran Tims ERST up it measured lambda 0.82 exactly as I had mapped it.
16-02-2006, 06:55 AM
#37
PassionFord Post Troll
Originally Posted by RS2300 4x4
Originally Posted by Garage19
I think jonny means the wide band lambda that was used to map it.
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
If i mapped a car like that on my local RR i would be able to tell it how rich it was even with a fooked sensor. My eyes would be streaming
Mind you could just be their crap extraction
Mark
Three of us in the cell the size of a broom cupboard and your bike was pretty rich when we first started. Slept well that night!
16-02-2006, 09:33 AM
#40
20K+ Super Poster.
thats a point. its got a LOT of lag (not boost threshold 
) what turbos are they and are they correctly specced to the engine?
i think T4 cossies spool up faster than that
) what turbos are they and are they correctly specced to the engine?i think T4 cossies spool up faster than that