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Pontiac G8 2008-09 & Chevrolet SS 2014+ LSX based RWD 4-door sedans

Picked it up yesterday

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Old 11-29-2008, 02:07 PM   #1
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Default Picked it up yesterday

Drove it back from Dallas on 1/2 tank, about 230 miles and still drove it around town last night! I would have had to fill up my Mustang before even getting back to Houston. A minor con it has is that sport mode seems to be for only when you are lining up at the track or the light, and not for normal driving.Second, and also very minor, is a small hesitation from a roll when mashing on it, though that could have been because I had Stability Control engaged. The cons are nothing a tune can't remedy. When it does catch the right gear, it is a beast! The pros are that it is tight (no loose parts or vibrations), interior is classy and no big ***** that look outdated, the styling of the exterior, and of course the business end of the deal....the engine, plus really good gas mileage....atleast to me.
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Old 11-29-2008, 02:28 PM   #2
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It has a lot of torque management and abuse management built in so the hesitation is likely Mr ECU saying "no"
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Old 11-29-2008, 02:32 PM   #3
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Get a tune and some bolt-ons.

It will lose the hesitation.
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Old 11-30-2008, 02:55 AM   #4
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+1 for the tune man...you can expect gains of upwards of 40 rwhp from an ECM/TCM tune. Not to mention you can make the shifts chirp 3rd at WOT
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Old 11-30-2008, 02:01 PM   #5
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Is the VMS tune the best out there or is anyone using a handheld programmer?
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Old 11-30-2008, 03:09 PM   #6
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i think a custom tune done on the dyno by professionals is the best thing available. go to someone you trust and let them do 10 pulls and some street tuning. dont mail away for it. just my opinion
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Old 11-30-2008, 04:14 PM   #7
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Quote:
Originally Posted by TheTugBoat View Post
i think a custom tune done on the dyno by professionals is the best thing available. go to someone you trust and let them do 10 pulls and some street tuning. dont mail away for it. just my opinion
The FlashXpress system from VMS allows a custom tune.

Not everyone has access to a dyno and a tuner.
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2011 Kona Blue 5.0 Auto--> Tune and DRs only 11.880 @ 118.11, 1.827 Livernois 93 Tune - JPC LTs - CircleD4500 - MT 295 DRs - JLT Catch Can - J&M LCAs - UMI Panhard - BOSS intake-4.10s awaiting install
'08 Black on Black G8GT--> 12.166 @ 113.13, 1.723 Bolt 0ns and Converter --Gone, but not forgotten.--
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Old 11-30-2008, 07:18 PM   #8
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My only problem is finding someone who knows how to tune a G8. There is one place I know of that used to do Fords then switched to GM cars. I might have to give that a shot.
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Old 11-30-2008, 07:46 PM   #9
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You're in Missouri City, Tx?

Have you seen a red G8 tearing around?
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'08 Black on Black G8GT--> 12.166 @ 113.13, 1.723 Bolt 0ns and Converter --Gone, but not forgotten.--
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Old 11-30-2008, 10:04 PM   #10
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Yes I am in Missouri City, but I haven't seen anyone here with a red G8.
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Old 11-30-2008, 11:01 PM   #11
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GRRRR8 is from your area
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2011 Kona Blue 5.0 Auto--> Tune and DRs only 11.880 @ 118.11, 1.827 Livernois 93 Tune - JPC LTs - CircleD4500 - MT 295 DRs - JLT Catch Can - J&M LCAs - UMI Panhard - BOSS intake-4.10s awaiting install
'08 Black on Black G8GT--> 12.166 @ 113.13, 1.723 Bolt 0ns and Converter --Gone, but not forgotten.--
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Old 12-01-2008, 04:58 AM   #12
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yeah true story with the non access to a tuner and a dyno...i bet charlie (grrr8) can point you in the right direction.
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Old 12-01-2008, 04:58 AM
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