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

New Best 11.368@121

Old 04-03-2010, 09:35 AM
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Default New Best 11.368@121

Car has RPM Tune, valve job, cam, AFE intake, DT headers, Magnaflow mufflers, Zex kit, FTI 3600, UDP and went across the scales at 4,000lbs.

11.368@121.67 1.69 MIR

Old 04-03-2010, 10:58 AM
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Strong! How big of a shot were you running? What kind of times does it run NA?
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Old 04-03-2010, 11:27 AM
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Originally Posted by SLOW SEDAN
Car has RPM Tune, valve job, cam, AFE intake, DT headers, Magnaflow mufflers, Zex kit, FTI 3600, UDP and went across the scales at 4,000lbs.

11.368@121.67 1.69 MIR
Nice run....I guess you're liking your new tune.
Old 04-03-2010, 11:28 AM
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Originally Posted by Patrick G
Strong! How big of a shot were you running? What kind of times does it run NA?
I believe it was a 100 shot on that run. And I think on his old tune it
ran 11.70s NA.
Old 04-03-2010, 02:38 PM
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Congrats!!!!

Your new #'s are damn near a duplicate of mines.....with the same mods that are proving to be consistent.

Btw: My tranny was shifting the same way as yours on the Nitrous until we lowerd the shift points about 7-800 rpm...in the sport mode, which is now dedicated for nitrous use only and regular drive is used for N/A runs.
Old 04-03-2010, 02:57 PM
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Originally Posted by BORN2FLY
Congrats!!!!

Your new #'s are damn near a duplicate of mines.....with the same mods that are proving to be consistent.

Btw: My tranny was shifting the same way as yours on the Nitrous until we lowerd the shift points about 7-800 rpm...in the sport mode, which is now dedicated for nitrous use only and regular drive is used for N/A runs.
Indeed its a good formula to get this big ole pig of a car moving! People are shocked when a 4,000lb car gets up and boogies!

If you dont mind could you tell me what you set the shift points to? Mine were raised to about 6500-6700 on the last tune but I'm thinking they should be lower with the N2O. You think back down to 6000RPM would be better on the juice?
Old 04-03-2010, 04:32 PM
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Originally Posted by SLOW SEDAN
Indeed its a good formula to get this big ole pig of a car moving! People are shocked when a 4,000lb car gets up and boogies!

If you dont mind could you tell me what you set the shift points to? Mine were raised to about 6500-6700 on the last tune but I'm thinking they should be lower with the N2O. You think back down to 6000RPM would be better on the juice?
Try 6000 and see how that works for you.
Old 04-03-2010, 11:48 PM
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Dang makes me wanta put a kit on mine .....
Old 04-04-2010, 07:03 PM
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congrats, I was going to go on friday but could not make it. I'll be there this friday, hope I can see that big boy move.
Old 04-11-2010, 09:00 AM
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My car was doing the exact same thing when I was spraying it. I felt like I was easily giving up .2 to .3 because the tranny was slipping at about 6200. My shift points are set at 6500 also.
Old 04-11-2010, 09:17 AM
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Thanks guys, I went to the dyno day and the tuner lowered my nitrous shift pattern (Drive) a good bit and lowered my N/A shift pattern (Sport) about 200RPM's as well.

Crazy how different everyone of these cars shift. Our tuner has done quite a few G8's and every one shifts different, some need to be commanded 800RPM early while others are only 200RPM.
Old 04-12-2010, 02:20 PM
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who did the tuning? Didn't know if they are in MD or not.
Old 04-13-2010, 07:23 PM
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not to shabby...
Old 04-13-2010, 09:20 PM
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those are good numbers!!!
Old 04-14-2010, 11:19 AM
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Originally Posted by procsls6
who did the tuning? Didn't know if they are in MD or not.
Race Proven Motorsports (RPM) in DE did the tuning!
Old 04-22-2010, 02:01 PM
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Originally Posted by SLOW SEDAN
Race Proven Motorsports (RPM) in DE did the tuning!
Are they good ?
Old 04-22-2010, 02:11 PM
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Originally Posted by LSWONGTO
Are they good ?
Yes very! check them out http://raceprovenmotorsports.net/
Old 04-22-2010, 02:15 PM
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Originally Posted by nick.celis
those are good numbers!!!
Thanks!
Old 04-26-2010, 07:01 PM
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nice numbers!

i really have been thinking of running nitrous, maybe a 75 shot because i don't want to break anything. where did you get the Zex kit from? any issues?
Old 04-27-2010, 01:23 AM
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Originally Posted by LSWONGTO
Are they good ?
They do very good work there, mine was tuned by them and runs awesome, and they will be putting a cam in in two weeks.
Originally Posted by nikeair042
nice numbers!

i really have been thinking of running nitrous, maybe a 75 shot because i don't want to break anything. where did you get the Zex kit from? any issues?
100 shot is really nothing to be worried about with the rigth accessories and tune. You'll be upping the shot from a 75 shot after about a week trust me. And id check out Nitrous outlet or HSW for a kit instead of Zex, thats just my .02.

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