Fuel system SOLUTIONS...
- Thread starter LinuxRacr
- Start date
Kooldino may not be affect as much as the rest of us because he is not tuning the stock MAF or using the TM.
Nick--Which filter do you recommend using for turbo applications, one that can handle the sucking from the compressor? I rememeber someone on here a long time ago sucked some filter element into his turbo, maybe Big Ben or one of the other old tymers.
Nick--Which filter do you recommend using for turbo applications, one that can handle the sucking from the compressor? I rememeber someone on here a long time ago sucked some filter element into his turbo, maybe Big Ben or one of the other old tymers.
Pat- I just changed my fule map to look a lot like yours... And as my lean conditions weren't as bad (also coulda been cause it's late and MUUUCH cooler out) my car feels like a ruber band. Once I hit mid throttle and 4RPM or so it jumps like crazy and gets maaad rich and then comes back on the chart.
I was thinking maybe we're a bit different since you have the J&S AND are using the FM voltage clamp instead. Any thoughts?
I'll have to go back and change some of those mid numbers back down a bit. I changed a lot of my numbers which were either 0's or -1's to 8's like you have- so it was a big jump. I'm thining I might be better at maybe like 3 or 4 in the mid throttle/mid rpm area's. What do you think?
I was thinking maybe we're a bit different since you have the J&S AND are using the FM voltage clamp instead. Any thoughts?
I'll have to go back and change some of those mid numbers back down a bit. I changed a lot of my numbers which were either 0's or -1's to 8's like you have- so it was a big jump. I'm thining I might be better at maybe like 3 or 4 in the mid throttle/mid rpm area's. What do you think?
Scott,
Yeah we definitely have the same setup, but some different hardware. You have the FMIC (which I should have soon too), and yeah, the voltage clamp works differently. I have made some adjustments to my maps in the last couple of days, and the car keeps getting smoother and smoother. I will post up my current maps, and the playback logs.
In order we have: Analog Fuel Map, Ignition Timing Map, and Playback Log
Yeah we definitely have the same setup, but some different hardware. You have the FMIC (which I should have soon too), and yeah, the voltage clamp works differently. I have made some adjustments to my maps in the last couple of days, and the car keeps getting smoother and smoother. I will post up my current maps, and the playback logs.
In order we have: Analog Fuel Map, Ignition Timing Map, and Playback Log
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hmm woa... Yeah dude the fuel map would not work for me very well. I see you upped a lot of your 8's to 10's in mid throttle/mid rpm... That'd kill me. This is so interesting. It shows how our voltage clamps work differently.
Today my car was not running well at all. No more running lean which is great but the car was just jumping all over the place at mid throttle. When I'd hit med throttle the car would jump forward almost feeling like I was rear-ended. Plus I was hearing some missfire- which I'm guess is telling me I'm too rich.
But the worst hting about today was the detonation. I was hearing it at not even 4-5 pis!!!!! Mainly at full throttle or close to. This is not good! How am I supposed to run more than 6 psi if I'm detonating at 4-5? I mean it was a very hot day here, I had my GF in the car, and we had the AC on but still- I was hoping with the MPI that I'd at least be able to run safe at this low psi.
My ignition map looks similar to yours pat. Maybe I'll DL your new one and try that, although your J&S uis also retarding timing for you right? Hmmm soo now I'm not so sure our ignition maps should be so similar. Argh.... I need to get this figured out no more knock!!!
Today my car was not running well at all. No more running lean which is great but the car was just jumping all over the place at mid throttle. When I'd hit med throttle the car would jump forward almost feeling like I was rear-ended. Plus I was hearing some missfire- which I'm guess is telling me I'm too rich.
But the worst hting about today was the detonation. I was hearing it at not even 4-5 pis!!!!! Mainly at full throttle or close to. This is not good! How am I supposed to run more than 6 psi if I'm detonating at 4-5? I mean it was a very hot day here, I had my GF in the car, and we had the AC on but still- I was hoping with the MPI that I'd at least be able to run safe at this low psi.
My ignition map looks similar to yours pat. Maybe I'll DL your new one and try that, although your J&S uis also retarding timing for you right? Hmmm soo now I'm not so sure our ignition maps should be so similar. Argh.... I need to get this figured out no more knock!!!
I think the fealing you are having with the car surging at mid rpm's is the switch coming on and dumping in fuel. That's when it goes super rich and launches. You need to tune that area a little and maybe you might want to move it to a higher or lower position.smp3000 said:hmm woa... Yeah dude the fuel map would not work for me very well. I see you upped a lot of your 8's to 10's in mid throttle/mid rpm... That'd kill me. This is so interesting. It shows how our voltage clamps work differently.
Today my car was not running well at all. No more running lean which is great but the car was just jumping all over the place at mid throttle. When I'd hit med throttle the car would jump forward almost feeling like I was rear-ended. Plus I was hearing some missfire- which I'm guess is telling me I'm too rich.
But the worst hting about today was the detonation. I was hearing it at not even 4-5 pis!!!!! Mainly at full throttle or close to. This is not good! How am I supposed to run more than 6 psi if I'm detonating at 4-5? I mean it was a very hot day here, I had my GF in the car, and we had the AC on but still- I was hoping with the MPI that I'd at least be able to run safe at this low psi.
My ignition map looks similar to yours pat. Maybe I'll DL your new one and try that, although your J&S uis also retarding timing for you right? Hmmm soo now I'm not so sure our ignition maps should be so similar. Argh.... I need to get this figured out no more knock!!!
Don't know about your detonation, if your timing is like Pat's, then maybe you need to up all the numbers a little, or on the amp column put some values in there to take more timing out as your boost/load increases. So from the top down, you may want to do like -4, -3, -2, -1 or something like that. That way it will take out more timing as you put more on the motor.
Now this will increase your values in the map area. So if you are at a -5 in your map at a certain spot and on the top of the amp column at the -4, then you will have -9 degrees of timing taken out. You may loose a little power, but you won't loose the motor. Get a J&S, this way you won't have to guess on anything.
Well, I was able to use your 2's value map when I still had my BEGI RRFPR installed. After that, not a chance. I think the fact that you have that big turbo that spools up at higher RPM's instead of the lower RPM's, and the fact that you have the extra injector setup up there that kinda takes the place of any fuel pressure regulator may be helping you out.Bigg Tim said:
Yeah, we all seem to have a bit of different setups. No I don't have extra injectors either, nor do I have larger ones. Also, the BEGI FMU is gone as well. In that askpect Pat- you and I are similar. It's just the damn voltage clamp that seems to be keeping our setting different in that mid throttle area.. Any ideas on where mine should be?
I think I need to make a lot of those 8's (or now in Pats cas 10's) to 2's or 3's maybe. Remembe rI was at 0's and -1's in that area which was causing me to run lean. But why all of a sudden am I getting detonation?
Tim said something about my timing up top being -5 but then having the amp column setting being at -4 so it would add out and become somehting like -9.. I'm not sure I understand what that means. I've used the software twice so I'm stil learning, but I do need to get rid of this knock. What is the amp column?
I think I need to make a lot of those 8's (or now in Pats cas 10's) to 2's or 3's maybe. Remembe rI was at 0's and -1's in that area which was causing me to run lean. But why all of a sudden am I getting detonation?
Tim said something about my timing up top being -5 but then having the amp column setting being at -4 so it would add out and become somehting like -9.. I'm not sure I understand what that means. I've used the software twice so I'm stil learning, but I do need to get rid of this knock. What is the amp column?
I am using the FM voltage clamp instead of the one in the MPI Tuner, and no extra injectors yet. My car seem to be getting faster, and smoother with more tuning.smp3000 said:
Now on what Tim was referring to, the AMP column (the 1x16 column to the far right on the ignition map) lets you enter values for Boost/Flow Retard. On the 8x16 map (for ignition), you can enter values as well. What happens with this option is when you put values in the AMP column, those are added to the value where the engine is running on the 8x16 map. Make sense? If not, call me, and we'll get it figured out.
I changed my numbers to -5, -5, -4, -4, -3, -3, -2, -1 starting from the top of the 1 x 16 column, and it seems to have killed the knock that I was hearing at stock boost. I just don't understand why I need to pull that much timing to do less than I was before the mpi. I was running up to 14psi for a few months before I got it, and I never heard the knocking that I did a couple weeks ago at 7psi. (uhm) I had all zeros in the 1 x 16 column, and -5's up top in the 8 x 16 map, but I still don't think I should have been detonating at stock boost. AFR was low 13 both times when I heard it.
I would suggest trying to setup the 1 x 16 column like I did and see what happens for you.
I would suggest trying to setup the 1 x 16 column like I did and see what happens for you.
