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Camaro Z/28 Forum - Z/28 Specific Topics Discussions related to the 5th gen Camaro Z/28 model

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Old 08-01-2014, 05:05 PM   #1
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Hennessey Tunes 2014 Camaro Z/28 To 636 Horsepower

Not for me, but pretty interesting nonetheless. Nice they got this much power while keeping it normally aspirated...

ORIGINAL STORY HERE

VIDEO HERE

Hennessey Tunes 2014 Camaro Z/28 To 636 Horsepower

BY SAM MCEACHERN — AUG 1, 2014


2014 Camaro Z28 HPE600

You have to have a few screws loose in your head to drive the 505 horsepower 2014 Camaro Z/28 and think “this is nice, but I wish it was a little bit faster.” Hennessey Performance Engineering is aware that those people are out there though, and has since been working on an upgrade kit for the track-focused Camaro’s 7.0-liter LS7 V8 ever since.

Hennesey’s upgrade kit includes CNC ported cylinder heads, an HPE camshaft, long-tube stainless steel headers and an ECU remap. On the Dynojet dyno, these upgrades bump output to 552 horsepower and 474 lb-ft of torque directly to the rear wheels. That means the car is producing 636 horsepower and 545 lb-ft of torque at the flywheel.

Between the sticky Pirelli Trofeo R tires, working aerodynamics, dynamic suspension spool valve damping system and reduced weight, the Z/28 is the most capable Camaro ever made. We’re sure its race-ready technology will handle the extra horsepower just fine, and it should help the still hefty 3,837 lb pony car down the straights at the racetrack. Check out the video of it on the dyno below and head over to HPE’s website for more info in their HPE600 kit for the Z/28.


Read more: http://gmauthority.com/blog/2014/08/...#ixzz39BFwp1Xr
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Old 08-01-2014, 05:33 PM   #2
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these numbers are nothing new to the Z06 crowd.

The bolt ons plus cam should be good enough for 530-575 all day long.

Bump up the cubes to a 440 and now 620whp (over north of 700fly wheel) is capable.

LS7s are mean motors. I love them
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Old 08-01-2014, 06:48 PM   #3
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Performance figures based on 93 octane fuel.
Not California emissions compliant.
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Old 08-01-2014, 07:48 PM   #4
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Actually on the low end of ls7 heads/cam numbers.
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Old 08-04-2014, 11:00 AM   #5
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Actually on the low end of ls7 heads/cam numbers.
Because road race???
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Old 08-04-2014, 03:51 PM   #6
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My two disqualifiers:

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Performance figures based on 93 octane fuel.
Not California emissions compliant.
Thats why I don't live in a hippie state.
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Old 08-04-2014, 05:07 PM   #7
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Like they say, no replacement for displacement
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Old 08-04-2014, 05:11 PM   #8
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Actually on the low end of ls7 heads/cam numbers.
I'm sure the tune is a little soft to allow for long road racing track time compared to a car just making 1/4 mile pulls
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Old 08-04-2014, 08:04 PM   #9
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I would probably do something even milder than what Hennessy did.
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Old 08-05-2014, 12:36 AM   #10
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Sounds a lot like the Z06 and ZR1 now
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Old 08-05-2014, 06:35 AM   #11
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I'm sure the tune is a little soft to allow for long road racing track time compared to a car just making 1/4 mile pulls
And for their warranty
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Old 08-05-2014, 11:46 AM   #12
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I guess tune up means something else to us old schoolers.
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Old 08-08-2014, 12:26 AM   #13
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Sounds mean! Would love to drive one but will never own a Hennessey product.
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Old 08-08-2014, 08:08 AM   #14
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Thats why I don't live in a hippie state.
Agreed.

Kalifornia: Where they ban everything that doesn't bolster their agenda. Anyways, sounds like a mean set-up from Hennessey!
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Old 08-08-2014, 08:09 AM   #15
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Pretty interesting..
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Old 08-08-2014, 12:51 PM   #16
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Uh... Federal Reg is just like Cali. The days of the 49 state cars is long gone.

It's no more legal to remove emissions equipment in Texas than it is in any other state.

Like Hennessey's World's Fastest Production Street Car. Not legal for sale in that trim anywhere in the USA as a new car, street registered.

The fact you can pass California Emissions with a 1200HP Bugatti Veyron or a 707HP Dodge Hellcat tells you something. Some shops are just too lazy to get the power and keep the emissions down. Too much work. Bumped our Z06 from 405HP to approx 450HP without affecting emissions. Tuning and tweaks with the cats in place.

Trust me, if you're in any Smog Check state, you'll eventually get sick of stripping off the emissions equipment. It might take 12 years like it did me, but you will tire of it. And now that many tracks have noise limits too, even dragstrips, making monster power and keeping the car registered will be sign of a true engine tuner.

Hennessey is the Teflon Tuner. He really screws up, but somehow gets tons of press anyway. He the Kim Kardashian of Tuners.
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Old 08-08-2014, 12:52 PM   #17
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For those Cali Sucks folk:

http://www.tceq.state.tx.us/airquali...tampering.html

"Violators are subject to penalties under the Texas Clean Air Act of up to $25,000 per violation."

In California though, you can get a turbo kit add-on smog certified. In Texas you can't:

"Adding a part that was not originally certified on the car, such as installing a turbocharger."

Even if it IS CARB approved.

Can you remove smog for Off Road Use Only in Texas?

"A catalytic converter may not be removed from a motor vehicle that is currently being used only for off-road driving."

I honestly believe he uses that Not For Sale in California as a selling point.
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Old 08-11-2014, 08:26 AM   #18
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Anyone know what the cost is for this package installed?
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Old 08-11-2014, 10:20 AM   #19
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I love my camaro so don't get me wrong. Why didn't they do all this from the beginning.. Or at least make like a Z28R. GM LS7 CNC Heads on LSX 454 block with a LSX mainifold.. I doubt it adds any extra weight.. They all ready have the parts in the performance mag..
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Old 08-11-2014, 10:48 AM   #20
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If Hennessey puts a 100,000 mile powertrain warranty and will honor the Federal emissions minimum warranty for parts, then go for it.

GM has deep pockets, Hennessey might get fined a couple hundred thou worst case. GM has to warranty the cars by law or face huge fines.

And you do know the Z/28.R makes 400HP right? It's a factory sealed engine and ECM from GM with an intake restrictor and 6300rpm rev limiter.

Apparently it's virtue is not megapower, but a good chassis.
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Old 08-11-2014, 12:24 PM   #21
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I love my camaro so don't get me wrong. Why didn't they do all this from the beginning.. Or at least make like a Z28R. GM LS7 CNC Heads on LSX 454 block with a LSX mainifold.. I doubt it adds any extra weight.. They all ready have the parts in the performance mag..
LSX block are cast iron, so they are heavier than the OEM LS blocks.
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Old 08-11-2014, 12:32 PM   #22
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...Hennessey is the Teflon Tuner. He really screws up, but somehow gets tons of press anyway. He the Kim Kardashian of Tuners.
Well said. Somehow, all of his screw ups and borderline frauds, regarding how he treated out-of-state customers, didn't really seem to stick and tarnish his reputation. He may have changed his ways, but I'd be far more likely to buy a Prius than give Hennessey one cent of my hard-earned money...
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Old 08-11-2014, 05:51 PM   #23
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http://www.torquenews.com/106/geiger...maro-z28-620hp

The Germans are trying it too!
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Old 08-12-2014, 07:24 PM   #24
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muscle car glory days
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Old 08-14-2014, 04:30 PM   #25
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I have some info on this you guys might find interesting. I spoke to Katech about working on my Z/28's engine after getting it and they told me they will no longer install long tube headers on cars. If you want long tube headers, you need to install them first before sending the car to them and sign a wavier stating you installed it prior to sending it to them. By federal law, you aren't even allowed to move the location of catalytic converters, which would happen with long tube headers. It doesn't even matter if it can pass an emissions test after it's been modded.
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