I am getting up to 6* of what i believe to be false knock on my 98 gtp. What all are the causes of it? I put new motor mounts in it as it was shot, poly dogbones, flipped sway, O2 clears. I'm at a loss on what to do next. Thanks for listening.
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08-26-2011
I am getting up to 6* of what i believe to be false knock on my 98 gtp. What all are the causes of it? I put new motor mounts in it as it was shot, poly dogbones, flipped sway, O2 clears. I'm at a loss on what to do next. Thanks for listening.
08-26-2011
Might not be false KR, because my car gets 5* KR with similar mods, but no P&P SC, just a 3.5 pulley.
08-26-2011
It was just getting like 2-3* then i swapped pcm's to a zzp and it got worse then i swapped back and it didn't get any better
08-26-2011
Best thing to do is find considerably higher octane gas than you are currently using. Run that for a while, if knock continues it is likely false. If KR is reduced, its not false.
08-26-2011
i can't get any higher than 93 around here
08-26-2011
well i just took it for a spin after seeing that my trans fill tube was bent (must have happened when i did the motor mount) and now i'm only getting 2-3* on the stock tune. Custom tune here i come
08-26-2011
Have you checked your plugs or cat?
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
08-26-2011
no cat, new al104's gapped at .05
09-21-2011
I figured out my problem. I put my tb screen back in and no more kr
09-21-2011
Then...it wasn't very false.
Your maf readings were skewed because of the airflow not being read properly. Probably dropped you into super lean conditions that you "should" have seen in the o2's.
09-21-2011
O2 i only have one lol My knock came back after work so i'm thinking my car likes the cooler air better lol. My ft are better now though.
09-22-2011
I know you only have one that reads. The readings are referred to as O2's, meaning the various readings from the sensor.
As for your LTFT's, you can't rely on 5 minutes of the screen being in for them to level out.
09-22-2011
My knock is still there but my ft is at 1.6 at WOT so that's not to bad right?
09-23-2011
So it is adding or subtracting 1.6 at WOT?
09-23-2011
Adding. But now i put my stock pcm back in and i'm getting .5* of KR at the most and my ft are +9.2 I'm not sure what to think on that one.
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