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Old 06-29-2012, 03:45 PM   #43
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OP Just curious, what is your altitude, I noticed you are in West Virgina. A lot of these guys are running down at sea level and of course you have quite a bit more power the lower you go.
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Old 06-29-2012, 04:57 PM   #44
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OP Just curious, what is your altitude, I noticed you are in West Virgina. A lot of these guys are running down at sea level and of course you have quite a bit more power the lower you go.
I'm at around 1100ft locally, so not too high.
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Old 06-29-2012, 05:08 PM   #45
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I've been making some good progress with the tune over the past week, but now it is too hot outside to bother data logging, because IAT will be pulling timing, etc.

Now, if I stomp on it in 1st gear and I'm doing anything other than going dead straight, the car will break traction and light up the tires pretty good. I tweaked the power enrichment so that it kicks in down low at about half throttle or more, and leaned out the AFR's for the power enrichment throughout the powerband. I still keep AFR's at 13:1 or richer depending on the RPM. I'm still trying to reduce the knock sensor sensitivity so that the car doesn't pull out so much timing at 4000+ RPM. Under good conditions with 93 octane, it still only wants to run about 19 degrees of timing above 4200 RPM. I'm shooting for more like 24 degrees.
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Old 07-01-2012, 07:58 PM   #46
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I think you're running too lean. I ran my car (when it was bolt-ons) closer to 12.5:1 and it took 24-26 degrees of timing to make the most power at that point...when it was ever so slightly leaner, the knock sensors would yank timing, and torque/power would drop tremendously.
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Old 07-01-2012, 08:29 PM   #47
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Oh for the days of high school burnout contests where you dd piss off your dad spinning the tires off of his stock Buick. If you really want to give your face a workout try dropping by a used tire store, find the oldest tides that'll fit. Grin at will. We all paid fairly good money on a car that we all wished, and some of us did, we could call our own. Those old runners ran on compounds that by today's stadards wouldn't make it onto our spares. I have yet to see a rating in Road and track for longest or easiest spin.
Remember that you have more rubber hitting the road than you could fit under pops Buick.
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Old 07-01-2012, 09:06 PM   #48
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Those old runners ran on compounds that by today's stadards wouldn't make it onto our spares.
You're right...but we don't even have spares lol.
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Old 07-01-2012, 09:23 PM   #49
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Yeah, spareless!!
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Old 07-01-2012, 10:43 PM   #50
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We don't have a spare but we do have a pump full of tire killer in the trunk.

Considering i'd never pump that crap into my tires, maybe I should just remove it and lose the few extra pounds?
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Old 07-01-2012, 10:46 PM   #51
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I bought a spare kit w/ a spacer in the event of a blow out (front use only) rotation would be required if I were to get a rear flat because the limper is of smaller diameter.
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Old 07-01-2012, 11:03 PM   #52
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I agree those p-zero's are some sticky tires and 20" blades are a little harder to turn over, but everyone else on the forum claims to be able to lay down rubber without dropping the clutch.
I just started a thread about this. I can't spin my tires from a roll in first gear with my '12 SS(manual) without revving and dumping the clutch. The stock tires are sticky. People who claim tire spin(w/o dumping the clutch) on a stock LS3 are probably BS'ing. As far as changing the tune, I'm not sure how that affects things.

I do agree, this car doesn't feel like 420+ HP. I test drove a '13 Stang GT with factory 3.73's, and it felt noticeably faster. It was ugly, though. The Camaro just goes to show how weight can affect performance.
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Old 07-01-2012, 11:09 PM   #53
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if your having to pump that crap into your tires it might be a little to late to give a sh1t...
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Old 07-01-2012, 11:54 PM   #54
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There are times when I can't even get traction in first or second and that's without dumping the clutch, pretty much stock and on dry pavement
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Old 07-02-2012, 12:02 AM   #55
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here's the secret - drop by the gas station with a buck and fill your tires to 42 lbs. that should get you the spin you're looking for.
think about this: if you were to travel back 45 years with a stripped new v6 camaro, you would almost certainly rule your local dragstrip. bonus: Microsoft and Google at open!
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Old 07-02-2012, 01:43 AM   #56
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Must be the Alabama asphault, Ive yet to talk to a local gen5 owner that can spin once the clutch is out.
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