Hennessey ZL1 204 mph - Page 2 - Cherokee SRT8 Forum
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post #11 of 21 (permalink) Old 02-25-2013, 10:49 AM
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Quote:
Originally Posted by Jack_Toepfer View Post
Impressive... yes. It is faster than most of the people on here will ever go, in anything. But to an extent.

Does it take Henessey the super tuner to push a ZL1 to 200+? No, I think with a factory supercharged car making over 500hp to begin with, anyone with basic wrenching skills and a tune can do it these days. I think it is a nod to GM and Ford for creating vehicles that are capable of such feats with such minimal involvement from the aftermarket.

Do it in 1 mile, then you have something.
Definitely agree on both points. I would love to hit 200+ in a mile.

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post #12 of 21 (permalink) Old 02-25-2013, 12:25 PM
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Quote:
Originally Posted by kmitch80 View Post
so.... stock... 580HP.... add supercharger, camshaft, cylinder heads, about $50 grand, and you only get an extra 120 HP?? ummmmmmm ???
here is the list of everything they used.

Power:
• 707 bhp @ 6,300 rpm

HPE700 Upgrade Includes:
• CNC Ported Cylinder Heads
• HPE Air Induction System
• Upgraded Valvetrain Parts
• Custom HPE Camshaft
• Hennessey Pulley Upgrade
• Intercooler Heat Exchanger Upgrade
• Fuel System Upgrade
• 160 Degree Thermostat
• All Necessary Gaskets & Fluids
• Professional Installation
• HPE Engine Management Calibration
• Dyno Tuning & Road Testing
• Hennessey Exterior Badging
• Hennessey Premium Floormats
• Serial-Numbered Dash & Engine Plaques
• 3 Year / 36,000 Mile Limited Warranty



This uses the stock supercharger and i dont believe this kit is $50k... that is their twin turbo upgrade. These cars dyno about 480-500whp normally. so it is a significant increase i would say. The ZL1 was not designed to be a straight line car, it was more designed for road courses. Hence the IRS suspension and magentic ride suspension.

The new GT500 is a monster. Have mad respect for both cars. they just have their strengths in different areas.

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post #13 of 21 (permalink) Old 02-25-2013, 12:29 PM
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Yep, the power doesn't sound that great, nor would I find it too smart to spend that money, but over 200+ is awesome. Sounds nice too.

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post #14 of 21 (permalink) Old 02-25-2013, 01:18 PM
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Hennessey ZL1 204 mph

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Oh man that would be a blast. I'll lend it to you, you come pick it up and you must use the go pro the entire time
Done!!!!


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post #15 of 21 (permalink) Old 02-25-2013, 01:22 PM
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Hennessey ZL1 204 mph

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Originally Posted by Jack_Toepfer View Post
Do it in 1 mile, then you have something.
Or be like boost logic and get a supra to 253mph in the standing mile.

200 mph in the tuning world these days is slow.




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post #16 of 21 (permalink) Old 02-25-2013, 01:56 PM
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If it wasn't in a mile who gives a shit....throw gears in any car with a couple hundred HP and it'll do that in 2 miles

Another Hennessey sales pitch
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post #17 of 21 (permalink) Old 02-25-2013, 01:58 PM
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I wonder how much the floor mats add. Lol
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post #18 of 21 (permalink) Old 02-25-2013, 02:08 PM
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Quote:
Originally Posted by centxsrt8 View Post
Or be like boost logic and get a supra to 253mph in the standing mile.

200 mph in the tuning world these days is slow.

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I think the guys who have done it would disagree... lol

There is nothing slow about 200mph in 1 mile... even the fastest cars around can have a bad pass and not break 200. It really needs to be a perfect run to reach those numbers.

Is it easier to accomplish now than 10 years ago? Yes. 5 years ago? Absolutely.

Jrod will tell you - you need perfect amounts of traction, power and drag to get to 200mph in 1 mile. Sure, some guys are over 250 (OMG)... but without mountains of cash and a good team supporting you, you're not getting there.


But you're from Texas... we're super slow around these parts, we can only race for like 3 weeks out of the year and we can't do top end runs without jail time.
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post #19 of 21 (permalink) Old 02-25-2013, 02:23 PM
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Quote:
Originally Posted by Jack_Toepfer View Post
I think the guys who have done it would disagree... lol

There is nothing slow about 200mph in 1 mile... even the fastest cars around can have a bad pass and not break 200. It really needs to be a perfect run to reach those numbers.

Is it easier to accomplish now than 10 years ago? Yes. 5 years ago? Absolutely.

Jrod will tell you - you need perfect amounts of traction, power and drag to get to 200mph in 1 mile. Sure, some guys are over 250 (OMG)... but without mountains of cash and a good team supporting you, you're not getting there.


But you're from Texas... we're super slow around these parts, we can only race for like 3 weeks out of the year and we can't do top end runs without jail time.
Haha yeah, jail time is never a good thing.
Central texas is a good place to be as far as speed shops go.

We've got American Racing Technologies, Hennessey (debateable), Boost Logic, EMS, MZM, Inertia Motorsports, Underground Racing, all within 3 hours.
If you have a fast car and want it to go faster weve got the people to build it for you. My older brother has personally worked for three of the above listed shops (BL, EMS, MZM), so I know all the people who do the work and put in the hours and they are for the most part great folks.

Now don't get me wrong 200 MPH is fast, but for a 3 mile straight in a tuned ZL1, I expected more. Trust me I have been at those speeds on that road, in a stock 997 Turbo.

Last edited by centxsrt8; 02-25-2013 at 02:25 PM.
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post #20 of 21 (permalink) Old 02-25-2013, 03:22 PM
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Oh and since its on subject, lingenfelter did this in may of last year already. So this has already been done. And the lingenfelter had very minimal work done too. I believe it was similiar in mods

Quote:
LPE engineers used their expertise to modify the ZL1 Camaro with a Lingenfelter GT9 camshaft; CNC ported cylinder heads; an increased supercharger speed thanks to a 2.3 top pulley and a 5% overdriven bottom pulley; a custom air intake with LPE's race mesh filter; Continental ExtremeContact(tm) DW tires and production ZL1 wheels. The LPE-tuned ZL1 makes 720 HP and 650 lbs. ft. of torque at the rear wheels.

Lingenfelter offers enthusiasts three supercharger upgrade packages - producing 630 HP to 700 HP - for the 6.2L ZL1 Camaro engine, delivering substantial improvements over the factory 580 HP and 556 lbs. ft. of torque while maintaining a safe level of boost and supercharger RPM. The LPE ZL1 Camaro Supercharger System Upgrade Packages are available for purchase and installation by Lingenfelter Performance Engineering. For more information, visit www.lingenfelter.com.



http://www.autoblog.com/2012/05/02/l...-tops-200-mph/

Last edited by SYCK SRT; 02-25-2013 at 03:25 PM.
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