knock up top on 91
#2
Evolved Member
iTrader: (27)
I think you need to add fuel, 11.5 seems to be too lean IMO for 91, since you cant see the hundredths of a point it could be on the verge of being 11.6. Try adding a touch of fuel and take out 1 degree of timing. Then take logs again and see if it helped. Also try logging fewer things in evoscan and you will get a lot more data in your logs. On my logs I get probably 10x the amount of data on a 3rd gear pull
#5
Evolved Member
iTrader: (30)
Join Date: Oct 2006
Location: Fl/Jam
Posts: 780
Likes: 0
Received 0 Likes
on
0 Posts
I would try pulling a degree of timing from 6k to 7.5k...your fuel looks pretty good, maybe try targeting 11.1-.2 and see how it reacts.
#6
Evolved Member
iTrader: (15)
I think you need to add fuel, 11.5 seems to be too lean IMO for 91, since you cant see the hundredths of a point it could be on the verge of being 11.6. Try adding a touch of fuel and take out 1 degree of timing. Then take logs again and see if it helped. Also try logging fewer things in evoscan and you will get a lot more data in your logs. On my logs I get probably 10x the amount of data on a 3rd gear pull
I run 93, but run it at 12.0....
#8
Evolved Member
iTrader: (3)
running x AFR, is relative to boost, timing, and what the car wants, especially on 91 (fkn sux, trust me)
If you wanna run max boost/timing, u need to compensate for fuel. On 91, the gains between 11.5 and 11.0 are minimal, at best, so if you can run 1 more * w/ 11.0... I would run 11.0. Now, some cars wont like it either way, then u take out a * of timing, and run 11.3. All cars are different!
I would run 12.5 @ spool, 11.5 @ peak, and 11.1 across the board. (on 91)
my .02
If you wanna run max boost/timing, u need to compensate for fuel. On 91, the gains between 11.5 and 11.0 are minimal, at best, so if you can run 1 more * w/ 11.0... I would run 11.0. Now, some cars wont like it either way, then u take out a * of timing, and run 11.3. All cars are different!
I would run 12.5 @ spool, 11.5 @ peak, and 11.1 across the board. (on 91)
my .02
#11
The transitions do seem smooth though. The path taken through the map has transitions from 1 to 2 degrees between one cell to another.
I appreciate all the help you guys have provided so far. I'm going to try and reduce the timing by a degree in the areas its knocking while keeping the transitions smooth and will get back to you guys with my results.
One more thing, how are loads that fall between 2 cells handled? For example, knock at 230 load falls between 220 and 240. Would I decrease timing for the 220, 240 or both cells?
#13
Evolved Member
iTrader: (17)
That's a first for me. I have seen slight power changes from variances in AFR but never something as severe as you stated at your power levels. I have seen decent power gains/losses when varying AFR by as much as 1 full point but I think its not likely that 0.2AFR would have such an affect on most setups.
#14
Evolved Member
iTrader: (15)
That's a first for me. I have seen slight power changes from variances in AFR but never something as severe as you stated at your power levels. I have seen decent power gains/losses when varying AFR by as much as 1 full point but I think its not likely that 0.2AFR would have such an affect on most setups.
Tests were checked back to back.. it was puzzling..