Need help with knock

[theycallmedalgo]

I'm seeing 9 counts of knock on the logger even at lower rpm's at WOT. I want to know if I can get rid of it at the moment without buying an SAFC. I have a GM MAF with the MAF-T tuner box, but it just has like 3-4 little dials that say idle, etc (I forget). Is there a way I can add more fuel or something to get rid of this awful knock?!

Oh yeah is 9 counts of knock really bad, I mean I boost occasionally...

thanks in advance

 

[JayRolla]

Anything is bad. People live with 0-5 counts. I would not boost it to much. Im not sure but the maf-t should have rpm points like 5 or 8 where you can add fuel like an SAFC I thought. If not I would buy something to control the fuel. Or you can turn the boost down.

 

[blackGSX2g]

MAF-T has 2 modes, a base tune and an RPM based tune. There are 5 dials; the first 2 (going from left to right) are for injector settings. The last 3 go: idle, mid throttle, and WOT. I've been able to get a pretty good tune just off of those three knobs so unless you have other issues (too much boost/not enough fuel) you should be able to do the same. Once the base map is programmed in, flip the dipswitch to RPM mode and the bottom 4 dials turn into various RPM points that you can tune.

Read the manual and play around with it for awhile. I ran MAF-T as my only tuning for a year and a half with no issues. The only downside is when you start getting to 650cc and larger injector sizes.

 

[theycallmedalgo]

MAF-T has 2 modes, a base tune and an RPM based tune. There are 5 dials; the first 2 (going from left to right) are for injector settings. The last 3 go: idle, mid throttle, and WOT. I've been able to get a pretty good tune just off of those three knobs so unless you have other issues (too much boost/not enough fuel) you should be able to do the same. Once the base map is programmed in, flip the dipswitch to RPM mode and the bottom 4 dials turn into various RPM points that you can tune.

Read the manual and play around with it for awhile. I ran MAF-T as my only tuning for a year and a half with no issues. The only downside is when you start getting to 650cc and larger injector sizes.

Thanks I had no idea the MAF-T was capable of that. I don't have the manual though because it came on the car when I got it. I have stock injectors so that should be pretty easy. Now that I know I can tune with this I'll search around for threads on MAFT tuning.

And I turned the boost down to 10 psi by cutting my wastegate spring with a Dremel I know, not recommended but I had to...

 

[blackGSX2g]

Here is a copy of the users manual:

http://www.fullthrottletech.com/showthread.php?t=105

That should help you out alot.