So how do i richen it up? - Tuning Forum

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So how do i richen it up?
Monday, June 12, 2006 8:42 PM
Ok i need to know what to adjust in HP tuners to add more fuel from 5600+, i know where all the tables are and sort of what they do but no idea how to adjust them, based on this data and shooting for an AFR of 12.0 or lower what would you change?

Through looking at all the Data logs it looks like the cause my knock retard is a lean condition when my AFR reaches 12.2 or Higher under 100 percent TPS the knock begins. Interesting though that after 6500 the car starts to richen up again. Heres what my AFR looks like, talk about a linear curve
4600 11.18
4700 11.44
4800 11.49
4900 11.58
5000 11.66
5100 11.41
5200 11.58
5300 11.65
5400 11.73
5500 11.86
5600 11.89
5700 12.09
5800 12.12
5900 12.37
6000 12.39
6100 12.57
6200 12.48
6300 12.58
6400 12.61
6500 12.34
6600 12.25
6700 12.05
6800 11.80
6900 11.84



1989 Turbo Trans Am #82, 2007 Cobalt SS G85






Re: So how do i richen it up?
Tuesday, June 13, 2006 7:07 AM
listening




Evolution of Cavyboy-->C22t--> C24na--->c24s/c
1995 Cavalier W/2k1 Engine
GM S/C 13.940@99.78pmh w/2.068 60ft
Re: So how do i richen it up?
Tuesday, June 13, 2006 7:17 AM
post your .hpt file
I looked at a 2003 in the hope of seeing a decent PE table and there isnt one.
There is a PE onset delay which was set at 6k on the 03 stock cal, lowering that could help.
You can also adjust the High RPM VE table at those leaner points.


sig not found
Re: So how do i richen it up?
Tuesday, June 13, 2006 7:18 AM
my PE delay is set to 5600

What do I adjust in the high RPM VE up down? what percentage?



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: So how do i richen it up?
Tuesday, June 13, 2006 8:55 AM
Holy crap, my PE delay is set to 2800, it was 3200 stock, I'd think you'd want to have it in PE a lot sooner than 5600...

You need to make the VE tables go up in percentage, it needs to know there is more air, so it adds more fuel.





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Re: So how do i richen it up?
Tuesday, June 13, 2006 12:19 PM
well i can try moving the delay down but i doubt that alone will fix the problem

Ill try making some very small changes in the High RPM VE and see how the afrs are



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: So how do i richen it up?
Tuesday, June 13, 2006 12:25 PM
go through your data log file and at those rpms you stated above, write down what your map signal was. Go into your High RPM VE table and change only those cells. Higher number = more fuel and lower number = less fuel.



Re: So how do i richen it up?
Tuesday, June 13, 2006 2:28 PM
well since I have a stock one bar map sensor its pegged at 103kpa from about 3000rpm up so i cant really do that



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: So how do i richen it up?
Wednesday, June 14, 2006 3:51 AM
look at matt tearing up the tuning forum!



LE61T PTE6262 Powered

Re: So how do i richen it up?
Wednesday, June 14, 2006 7:40 AM
inquiring minds need to know



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





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