Performance MOds for 05 GXP - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 01-12-2010, 10:24 PM   #21
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there are few people out there than can tune the 3800 PCMs like PFYC, ZZP, Intense or even anyone with a HP tuner or whatever can tune them..

GXP is different because there is no tuner out there for it and its not even unlocked yet...

500 for a tune that no one can do or have done in the past 6 years aint that bad of a deal..
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Old 01-12-2010, 10:31 PM   #22
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$500 to open up the PCM so you can start modding hardly seems worth it, how much is out there for a N*? besides intake and exhaust which don't require tuning

if you call what Intense and ZZP do tuning then yes they "tune" our cars but it really needs to be specific to your car, usually they do dyno tuning for your car for a small strap down fee then a fee for each pull
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Old 01-12-2010, 10:39 PM   #23
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Quote:
Originally Posted by crunkfrunk View Post
$500 to open up the PCM so you can start modding hardly seems worth it, how much is out there for a N*? besides intake and exhaust which don't require tuning

if you call what Intense and ZZP do tuning then yes they "tune" our cars but it really needs to be specific to your car, usually they do dyno tuning for your car for a small strap down fee then a fee for each pull


theres barely anything for the GXP because the PCM is not unlocked yet... once its unlocked you can do whatever you want...

im sure installing a turbo wouldnt be so bad :P
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Old 01-12-2010, 10:45 PM   #24
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I know about all the parameters you can change, I use HP Tuners for my car but is there a big selection of performance upgrades made for the LD8?

20 HP is on the barely just gonna feel it threshold but is more in your head kind of power

good luck on squeezing a turbo under that hood lol
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Old 01-12-2010, 10:55 PM   #25
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doesnt have to be under the hood.. it could sit under the car like the G8

top
http://www.carterrace.com/front/proj...G8Stock600.jpg

bottom
http://www.carterrace.com/front/proj...TrannyLine.jpg
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Old 01-13-2010, 07:26 AM   #26
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I think I would rather just buy a G8 or get the Holden Commedore which is what that car starts out as over in Aussi
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Old 01-13-2010, 05:45 PM   #27
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but you'll be paying for a G8 or holden too lol
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Old 02-14-2010, 03:41 AM   #28
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I feel your pain bear, i bought the gxp figuring it would be faster and have more performance mods being a v8 and i to was very dissapointed
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Old 03-01-2010, 01:40 PM   #29
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Been known for ages that Cadillac was VERY conservative on the ignition side. Apparently that is where the power in these engines is disappearing to.

Yes, there is power to be gotten out of these in a tune. And mileage.

I will be all over it once it is available.
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Old 03-01-2010, 01:42 PM   #30
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Don't hold your breath. We've been here waiting for 5 years. IMO, it aint happening. grab two slices of bread and make a wish sandwich.
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