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Board index » 1997-2008 Grand Prix Discussion » Supercharged 3800 L67/L32

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Dthreap
 Post subject: Knock retard
PostPosted: Thu Jul 29, 2010 11:30 pm 
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I have 4.4* kr at WOt these are my mods

NGK TR6 - Gapped at .055
VS Cam
180 T-stat
3.8 pulley
Pacesetters
3" dp

I also have a zzp pcm. Any ideas because I want to get my 3.4 on

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Grantski545
 Post subject: Re: Knock retard
PostPosted: Thu Jul 29, 2010 11:51 pm 
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jesus on a stock pulley?? maybe its your zzp pcm?

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Dthreap
 Post subject: Re: Knock retard
PostPosted: Thu Jul 29, 2010 11:55 pm 
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Thats what im thinking... Think is its not a steady 4.4* it bounces around but thats the max.

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Milestone
 Post subject: Re: Knock retard
PostPosted: Fri Jul 30, 2010 6:59 am 
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With those mods you should really try to get a custom tune.

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VictorSmalls
 Post subject: Re: Knock retard
PostPosted: Fri Jul 30, 2010 7:37 am 
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Is the PCM for the VS cam? Running 93?

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NinnyGTP
 Post subject: Re: Knock retard
PostPosted: Fri Jul 30, 2010 8:33 am 
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ZZP fail! Same issue with mine

L32 Series III
1.9 modified rockers
AT 103's
180 drilled t-stat
N* TB w/ LQ4
4" Short ram CAI w/ 9" K&N
3.6 MPS
EGR delete
SSAC headers


Saw at some points 6° of KR. Turns out it was timing, leaning out, maf was off, the works. Get a CUSTOM tune, whether it be street or dyno. Only way you're going to fix it

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Dthreap
 Post subject: Re: Knock retard
PostPosted: Fri Jul 30, 2010 9:25 am 
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Alright I figured zzp might have messed something up. The only reason I got the pcm from them was so I could drive the car until I got a tune. And Vic I told them it as for the vs cam and I never run anything less than 93. Hopefully planeboy(Matt)'s buddy can meet me sunday with his hptuner like we planned.

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NinnyGTP
 Post subject: Re: Knock retard
PostPosted: Fri Jul 30, 2010 9:35 am 
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Yeah same. It's a good basepoint to get the car driveable

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1998 GTP (L32 swap) | 2000 SE (L67 swapped)

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