Dyno 166.66whp + 140.84 tq BUT PROBLEM!

[bullettdsm]

Went to dyno yesterday and came up with these numbers. Fine numbers EXCEPT, I have a suspicion that my AF/X ECU fell down to stock settings. My redline fell down from 8500 to 7800. No reason. Been at 8500 for at least 5000 miles. I talked to Gary at Howell and he says that it is a problem with my car, not with the ECU.

Now I went on the dyno and came up with AF's that to me don't seem to make sense. This ECU is supposed to lean the engine out a little. My AF's, in general, seem a little low. Mostly under 13's. I have 1 run that I got over 14 @around 7100. I am not running a SAFC or anything (but I will be) but does that mean that a stock ecu would be down around 11 or 12??? Isn't that turbo range?

I did post on 2gnt yesterday and have not gotten any responses yet (yeah, I know patience. But I am home today and I was hoping to "figger" it out), so I thought I would take a shot here.

Can anyone get me in the direction of some "normal" baseline numbers for a stock ecu?
I'm kind of at a loss on this one,

Thanks,
MB

 

[BigRand]

I got you... Nice numbers by the way.

http://www.dsmtuners.com/forums/showthread.php?t=225840

This is the link to sony slaves dyno chart, along with a read out of other things. Everything is normal with his air fuels up until about 6100 rpms so pay attention to that.

We think his problem is a bad fuel pump, because of his fuel presssure is so low (30-32psi) for NA.

Bullet, you might want to check your fuel pump, or check how much fuel pressure you getting up at those high rpms. Maybe thats why the car isn't redlining as high anymore?

 

[bullettdsm]

YeeHaw, BigRand! Yes, yes you do got me covered. That is just a "swell" find . And thank you Sonyslave for having a broken car that you had to post on .

Boner "greenie" points to you Rand.

Also, both the dyno guy and I think for sure that it is fuel cut. The fact that it landed right at 7800, consistantly, with a straight brick wall cut off made us both believe that it was the stock limiter. But your point is well taken and I will cetainly change the filter because she is due and then (if needed) I'll set up a FPR gauge.
At least it is something I can check

Thanks for the kind words on the numbers. I honestly "guestimated" that I would be in at least the low 170's. So the numbers aren't quite as high as I anticipated. Though, I still haven't SAFC'ed yet so I may get another 5 -6 out of it.

Plus you guys reminded me that I can post pics on here so I thought I would post the slip: