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PostPosted: Sat Aug 18, 2018 2:41 pm 
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Joined: Fri Jan 30, 2015 12:21 am
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Year and Trim: 2001 SSEi
So it was mentioned to me that a vehicle tuner might be a nice investment for the car.
Thoughts?
experiences?
good? bad? etc.

vehicle:
2001 SSEi 84000 mi
stock

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PostPosted: Mon Aug 20, 2018 10:59 am 
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Certified Bonneville Nut
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Joined: Mon May 10, 2010 6:11 pm
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Location: Chicago, IL
Year and Trim: 2003 SLE
Depends on your goals with the car. It takes quite a bit to learn how to tune yourself.

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PostPosted: Wed Aug 22, 2018 9:05 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
NOS4Blood70 is correct, it takes a lot of time to learn to tune yourself, if you simply looking for a tuner, I would say the only one that comes to mind is HP Tuners. the DHP tuners if you can find one and the software had issues with bricking PCM's due to too much chatter on the serial (comm) line....requiring a work around wiring wise or an off-board to make them flash the pcm without bricking it, to my knowledge that issue was never resolved before DHP went belly up.

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3.8L V6 SC, 180*T (Drilled),
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PostPosted: Fri Aug 24, 2018 12:41 am 
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Joined: Thu Sep 10, 2015 9:02 pm
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Year and Trim: 2000 SE. 2000 SSEi, 2001 SSEi, 2002 SLE
My observation on this is as follows.

1 The transmissions can barely handle the power that the engine puts out as it is. I have one sitting in my yard as proof.

2. if you turn off the traction control all the car does is sit and spin the tires from too much power and no good way to get it to the ground.

3 if you turn traction control back on and hammer down it will lose traction and just rob power from the engine to maintain that traction making a tuner useless


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PostPosted: Fri Aug 24, 2018 9:11 pm 
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Joined: Sat Oct 28, 2017 10:00 pm
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Year and Trim: 2003 Pontiac Bonneville SSEI
You can actually tune it to get traction and not shut fuel injectors off (bad juju on SC motors) there is an additional table for retarding timing instead but it was zero'ed out from the factory....I modded mine that way. as far as getting it to the ground having a limited slip diff, is a must if you're putting any power down....my old car ran 12sec 1/4mi on a 2.8 pulley, intercooled, running 14+psi boost. Your are correct though the 4T65E/4T65E-HD is the weak point of the vehicle. if you want to play, you just have to plan on paying (now or later).

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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