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PostPosted: Thu Apr 19, 2018 11:35 pm 
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Joined: Sat Oct 28, 2017 10:00 pm
Posts: 133
Year and Trim: 2003 Pontiac Bonneville SSEI
Has anyone on here installed a perf shift button from a GTP into the shifter of an SSEI? easy enough to find in a junk yard and bring home for exctrication, just wondering if anyone had done it or maybe just put a GTP shifter handle (just the top with the button) in an SSEI. :dontknow:

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
Custom PCM w/Perf Shift,
SLP Ceramic Coated Headers,
Thrasher Cold Air Intake,
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )


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PostPosted: Fri Apr 20, 2018 2:57 pm 
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Posts like an L67
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Joined: Mon Jun 13, 2011 4:21 am
Posts: 1358
Year and Trim: 2000 SSEI
I have seen a couple guys with motor swaps do it. It just wires to the PCM then to a ground and when its in "perf Shift mode" it grounds the system and completes the circuit IIRC.

My car is in "Performance" mode all the time with the tune i have. but if you did want to make it switchable you can, the ECU has both shift tables in the computer.

S

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2004 Z16 Z06: Virgin
2000 SSEi: Kenwood DDX512, 3.25" MPS, ZZP DP, PLog, Puck Mount, NGK TR7's, DHP Tuned
1995 Monte Z34: T04e "60" turbo, 42.5# injectors, Borla Catback, OBDII swap, DHP Tuned, Much more...


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PostPosted: Fri Apr 20, 2018 6:07 pm 
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Joined: Sat Oct 28, 2017 10:00 pm
Posts: 133
Year and Trim: 2003 Pontiac Bonneville SSEI
Yeah, I found an unlocked DHP 1.0 file and have transposed all the relevant settings between it and my 03 file...If it wasn't my wife's daily driver I'd wire it pin all the time or adjust the pcm settings so it was in that mode all the time. But performance doesn't interest her, it's just for me when I'm in it.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
Custom PCM w/Perf Shift,
SLP Ceramic Coated Headers,
Thrasher Cold Air Intake,
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )


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PostPosted: Sat Apr 21, 2018 11:20 pm 
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Joined: Tue Aug 25, 2009 8:32 pm
Posts: 4759
Location: SE Michigan
Year and Trim: '99 Montana
'04 Dirtymax
'97 Camaro
'92 Trofeo
Seems like the performance shift button on my '93 SSEi had a resistor in it, it wasn't a simple switch and wire install deal.

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PostPosted: Mon Apr 23, 2018 10:31 pm 
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Joined: Sat Oct 28, 2017 10:00 pm
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Year and Trim: 2003 Pontiac Bonneville SSEI
Hmm, interesting...well if I go that route, I think I want to custom mod a GTP switch into the SSEI shifter...if it's possible without destroying the SSEI shifter...I'm pretty good with a dremel, but only time will tell.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
Custom PCM w/Perf Shift,
SLP Ceramic Coated Headers,
Thrasher Cold Air Intake,
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )


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PostPosted: Tue Apr 24, 2018 9:49 am 
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Joined: Mon May 19, 2008 7:01 pm
Posts: 17021
Location: Central Illinois
Year and Trim: 1992 SSE
2009 G8 GT
On the 92-99's, the result of installing the shift button on a car that wasn't equipped with it originally didn't get the desired result. The car's original shift behavior would occur when the button was active. When inactive, the shift behavior was actually more economical. So it really became more of an "econ mode" button than a performance enhancer.

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers and 10" Subs, 1300 watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override
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PostPosted: Wed Apr 25, 2018 11:30 am 
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Joined: Fri Aug 01, 2008 11:57 am
Posts: 1382
Year and Trim: 2003 SSEi.

LOTS of Mods
FYI any car that does not have "Performance Shift" originally equipped can be added. I got a hold of a DHP tuner and was able to turn the Parameter on. Once that was completed, I edited the tables in the PCM, so I actually have a performance shift. Higher RPM shifting and Trans line pressures, for example. Once the Parameter is turned on you can install anytime of Latched on/off switch just by grounding the correct pin in the PCM.


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PostPosted: Wed Apr 25, 2018 4:52 pm 
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Joined: Mon May 19, 2008 7:01 pm
Posts: 17021
Location: Central Illinois
Year and Trim: 1992 SSE
2009 G8 GT
Does that apply to 95-99 too?

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers and 10" Subs, 1300 watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights


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