Installed my boost gauge (mechanical) and at idle I have 5 vacuum. When I am driving and the DIC boost gauge is full the after market reads about 5 - 7. When I go almost WOT (Not going WOT due to kr) I was able to get it up to 15 PSI... And im on the 3.8 still with headers and VS cam....

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

I believe so most would have already dropped down to a 3.6 or even a 3.5 depending on knock.

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I am not a supercharged guy, but the vacuum looks very low at idle. Mine is around -18 at idle. Also I though the 15psi number seemed extremely high for a 3.8 pulley. Also, unless I am mistaken both cam and headers would drop the PSI, because they are both breathing mods and getting the pressure down in the chamber. But, what do I know? LOL

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04 GTT - Retired
Best ET 13.016
Best Trap 115.56 MPH

Yeah, none of those numbers are right.

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One Big Ass Mistake America

Exactly. Do you guys think if maybe there is a small kink in the line? But why would the boost continue to raise double what it should be at??

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

So how does cam timing off sound? Going to take the front cover off friday if someone will cover my shift for me.

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

I think we need to get your tune sorted out. Something is way off.

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'05 WRX STi- AP Stage 2 tune|Invidia DP|3" Borla XR-1 CBE|TiC super shifter set|DBA 4000 rotors/SS lines|Lots of braces/poly bushings
Sold: 06 Cobalt SS/SC, 99 GTP 245WHP/326 Ft-lbs, 06 R6

Well me and some guys are planning to make a run down to intense and get a dyno. Hopefully in a few weeks or so. But If I can get my shift covered friday were going to do a tear down and take a look. We think that the timing might be slightly retarded.

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

Hey now Derek. Don't talk about yourself that way. If your car wouldn't have died that night at superfly maybe we could have scanned it and tried to see what's going on.

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Dubs:00 VW GTI VR6, Low and Slow; 91 VW GTI 8v, Restoration Project; 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's; Ex-Girlfriend's 97 GP GT, "Project Pink Power"

Lol yea dumb car haha

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

We talking a ZZP tune here, or something with a good reputation for not blowing up cars?

Haha, Win!!!

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Dubs:00 VW GTI VR6, Low and Slow; 91 VW GTI 8v, Restoration Project; 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's; Ex-Girlfriend's 97 GP GT, "Project Pink Power"

What experience do you have with a ZZP tune blowing a car up? My car is still on a mail order turbo tim tune and it rips. Please indulge us with your tuning wisdom Mr. SlowNA06.

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04 GTT - Retired
Best ET 13.016
Best Trap 115.56 MPH

Zzp tune. And vic i know your car is running great but some of us have had issues. An im not pleases to find out that zap deletes the torque management for the tranny.

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

Easy killer. I said "reputation."

Ditto. And most if not all the trans error codes are disabled so if something does go wrong in the trans you may never know about it unless you fell/hear it first. However, any box tune isn't going to be without it's problems in the performance area of things since no car is exactly like the other from factory let alone once mods start getting added so there will always be problems with a box tune like ZZP's pcm's. Custom tune FTW!!!!

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Dubs:00 VW GTI VR6, Low and Slow; 91 VW GTI 8v, Restoration Project; 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's; Ex-Girlfriend's 97 GP GT, "Project Pink Power"

Dyno tune mmm

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|

We will go soon enough, if we can sort your car out we can both do our pully drops then.

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2004 Grand Prix GTP
FWI | HP Tuner | 1.9 Rockers | Headers | 3.4 Pulley|

Haha yea just need to get a full day off to tear her down =\

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GPDIY - For All Your DIY Needs
VS CAM|3.4|HEADERS|FWI|42.5#|HPT|6000k LOWS|8000k FOGS|