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Old 08-02-2012, 10:16 AM   #1
inferno camaro

 
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Surge at idle in gear???

I'm having a hard time trying to get my car to idle with out a surge in my auto car. Its not just cam lope but it will start to surge up and down when rolling at around 2 MPH or when backing out of a parking spot. Any ideas of things I can try to fix this. It actually seems to get worse just turning on the AC.

Thanks for any help. cam is 235/242 603/618 114 with 3000 stall
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Old 08-02-2012, 12:02 PM   #2
Nvincent4708
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that's a pretty beefy cam.

are you using HPtuners?

e-mail me your tune file.. PM for my e-mail address.

Probably some of the spark tables at lower RPM's need to be flattened some.. datalog some?
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Old 08-02-2012, 12:36 PM   #3
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I think we found it, if not I will be in touch. Thanks for the response.
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Old 08-21-2012, 10:20 PM   #4
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Quote:
Originally Posted by inferno camaro View Post
I think we found it, if not I will be in touch. Thanks for the response.
Was it the air/fuel cut off for deceleration? Im having the same issue, but its at any speed in neutral.
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Old 08-21-2012, 10:41 PM   #5
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Was it the air/fuel cut off for deceleration? Im having the same issue, but its at any speed in neutral.
no.

spark timing and base idle airflow.
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Old 08-21-2012, 11:13 PM   #6
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V- max TB
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Old 08-21-2012, 11:23 PM   #7
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V- max TB
if that causes idle issues, just need to tune the idle airflow table.
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Old 08-21-2012, 11:31 PM   #8
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if that causes idle issues, just need to tune the idle airflow table.
My tuner did not like it , had to Put the stock one back on.
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Old 08-22-2012, 09:32 AM   #9
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My tuner did not like it , had to Put the stock one back on.
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Old 08-22-2012, 12:56 PM   #10
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It was in the timing at idle. It was taking out alot and putting in alot at idle. It went from negative timing to 40* all at idle. For a more precise answer call Mike Norris Motorsports and I'm sure he will remember my car
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Old 08-23-2012, 10:28 AM   #11
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Thats what I thought also but Im not worried about that now since the maggie max stage II w/102 tb setup is on my to do list now.
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Old 08-23-2012, 10:44 AM   #12
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Originally Posted by inferno camaro View Post
It was in the timing at idle. It was taking out alot and putting in alot at idle. It went from negative timing to 40* all at idle. For a more precise answer call Mike Norris Motorsports and I'm sure he will remember my car
So your problem has been solved ? Off your topic but could you tell me if you ran 1/4 mile what gear and rpm's you have at the traps w/3.70 gears ?
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T-BONES BLACK 2SSRS TEAM L99

CAI w/ADM scoop,Magnacharged 3.8 pulley,L92 ported heads,ss valves,patriot springs,yella terra rockers,Comp cam,L99 to LS3 conv.ATI super damper,Taylor plug wires,NGK plugs,ARH 1 7/8 lt headers w/Borla stingers,Elite oil catch can,trans cooler,Jannetty built Richmond 4.11 rear end,Spohn trailing arms,front Racing Brake rotors,Hawk hps pads,BMR end links,AACstyle lighting. Thanks to Shane & crew for engine work at Thunder Racing & tuner Jeoff at EPS. 501rwhp-463rwtq ++
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Old 08-23-2012, 03:10 PM   #13
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Yes all is good now. 4th gear around 6400 stock diameter tires. Never data logged it to be sure but that is pretty close.


Quote:
Originally Posted by klatterblast View Post
So your problem has been solved ? Off your topic but could you tell me if you ran 1/4 mile what gear and rpm's you have at the traps w/3.70 gears ?
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Old 08-30-2012, 09:27 PM   #14
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Yes all is good now. 4th gear around 6400 stock diameter tires. Never data logged it to be sure but that is pretty close.
Thats perfect , Thanks.
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