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Old 04-15-2012, 12:54 AM   #120
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Quote:
Originally Posted by 2012ZL1 View Post
more hp to go faster, more gear to go quicker...
Absolutely correct
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Old 04-15-2012, 12:56 AM   #121
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Oh by the way...great job Graham and LPE!!!! (how much is the cold air kit)
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2.55 upper, 10" lower pullies, Innovators west billet hub and sfi balancer, solid blower drive isolator, 50 mm idler kit, full length S/S headers no cats, comp cams custom grind cam, comp roller rocker trunion kit, comp push rods,dual valve springs retainers and locks, Injector dynamics ID850 inectors, Rotofab ZL1 cold air kit, Lingenfelter 160 thermostat, Rotofab intercooler reservoir, stock plugs, LS7 90mm throttle body, GTO clutch reservoir mod, my own custom catch can, Tuning by Jannetty, install by me.
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Old 04-15-2012, 01:09 AM   #122
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Originally Posted by F-MAN-SS View Post
isn't the LSA motor basicaly the same engine in the CTSv? If so why all the amazement at HP increase with pully change?
Cts-v has an LSA in it. 556hp instead of 580hp.
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Old 04-15-2012, 01:12 AM   #123
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The heck with race gas, we are about to spray one with a dual nozzel alky kit and a smaller pulley.

Lets not forget the race wheels that were run on the car also...Awesome times none the less!
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Old 04-15-2012, 03:08 AM   #124
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Stock 2011 gt500 11.16@124mph....It belongs to this svtperformance member: http://www.svtperformance.com/forums/member.php?u=53649


ps:I own a pully/tune 2011 Gt500 and am thinking of getting auto ZL-1 this summer..
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Old 04-15-2012, 03:15 AM   #125
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Maybe this ZL1 will calm the masses...just maybe
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Old 04-15-2012, 06:56 AM   #126
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Wink Go figure!

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Originally Posted by 2ndCamaro79 View Post
If getting power is that easy why did GM, just not do these things from the start?? Or why don't the 2013s come with a pully change and better cold air unit so you don't have to loose the warranty on a 60K car??
Shhh...don't let the cat outta the bag!There is a reason it was almost called the panther because panthers ate mustangs! And how else are they going to suprise us to bump up the performance on the ZL1 with the new GT500 2013 stats.
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Old 04-15-2012, 07:07 AM   #127
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I think 130 is plenty and in race car terms knocking on 10 zero's. For ET they need to launch the heavy car with gear or low end torque. Gear is the easy answer for that and 4.10's will still not hit the limiter in 4th at the stripe at 130.
With 3.70s I hit the revlimiter in the last 100' and needed to bump it up to 7000 to make it without shifting into 5th. Mine is an auto though so not sure whot it would be with an manual.
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Old 04-15-2012, 07:14 AM   #128
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Arrow Reaction time...

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I like what I see. 10s should be easy with that mph. Are the 60' ft's limited by the tire or testing? As well will a 17inch rim fit on the back with a slick and can you hit the car any harder? I may have missed it manual or auto?

If you dont mind me asking did you get any air temp data?

Sorry for all the questions more interested in data than the actual run, but the run is nice and shows that once time is given the zl1 will be able to kill at the strip and the road course with out affecting each other.
The reaction time looks pretty slow to me as well...
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Old 04-15-2012, 07:45 AM   #129
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Thumbs up LMFAO...

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I hope you are talking about a bull because 8 seconds with anything other than a car or a bull is embarrassing no matter what the circumstances are
Thats not what SHE said...
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Old 04-15-2012, 07:57 AM   #130
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Exclamation Opinion...

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Originally Posted by 2012ZL1 View Post
more hp to go faster, more gear to go quicker...(in this case) I agree with the 4:10 observation, unless of course you are aiming for real low 10's high 9's in which case more power to the level of needing a forged rod/piston combo I think.
If you go with a 4.10 in the rear don't plan on doing well in autocross with that setup...
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Old 04-15-2012, 08:02 AM   #131
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The reaction time looks pretty slow to me as well...
R/T has no effect on ET.
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Old 04-15-2012, 08:22 AM   #132
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I figured that.

What do you guys think the hp limit will be on the zl1 with pump gas? Or is that a wait a see thing?
The power curve at the start of the thread, shows a safe number for 93 oct, with cat protection still enabled. If we ran leaner with no cat protection it would easily surpass 600 rwhp.

Graham.
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Old 04-15-2012, 09:10 AM   #133
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The power curve at the start of the thread, shows a safe number for 93 oct, with cat protection still enabled. If we ran leaner with no cat protection it would easily surpass 600 rwhp.

Graham.

So what I am reading is Non-Emission state ZL1's have more potential....... Im going to be registering this thing in New mexico anyways.
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Old 04-15-2012, 09:14 AM   #134
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So what I am reading is Non-Emission state ZL1's have more potential....... Im going to be registering this thing in New mexico anyways.
Yes, sir, this car was completely stock exhaust and cats and if we leaned out the AFR from the low 11 high 10:1 where its at, 600 rwhp is no problem, without resorting to headers.

Graham.
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Old 04-15-2012, 09:48 AM   #135
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Yes, sir, this car was completely stock exhaust and cats and if we leaned out the AFR from the low 11 high 10:1 where its at, 600 rwhp is no problem, without resorting to headers.

Graham.

I had a feeling the AFR was that low. Thats good to hear.
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Old 04-15-2012, 10:05 AM   #136
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Graham,
My planned mods were a 2.55 upper, cai, LT headers,no cats, and a cam like an ls9 or similar.
With a tune, how much rwhp should I expect on 93 octane? race fuel?
Do I need a fuel pump or injectors?
Is it possible to send you my ecm for tuning, and how much is a tune?
Considering the boost drop from the LT's should I consider a 2.38 pulley instead?
Thanks, Mark
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