AndrewZPSU

I'm wondering if anyone has it, and what kind of performance increase did you get.

GM seems to claim 50 hp... but I'm not sure if thats entirely true. So if anyone has experience with it let me know.

Reason for looking into the Hot Cam is to get a bit more performance without losing my warranty.

LS1LT1

While I'm not sure if that's the best choice for a warranty friendly type cam, it will make some good power.
Those L92/LS3 heads tend to respond really well to more cam.

Silverspeed

Swap the cam, lose the warranty.....period. If your dealer tells you different he doesn't know what he talking about or he plans on picking up the tab himself for a major repair. All major warranty repairs have to be approved by GM.

Boomer111

Bummer, I wanted to do the same thing!

They offer it in a crate 480 hp motor.

To bad it can not be added to the 430hp engine. Nothing else is changed as far as I can tell, except maybe tune.

Silverspeed

Honestly I posted that hoping someone would post telling me that I am wrong. If I could swap a cam, keep the factory warranty and gain 40++ hp, I would do it tomorrow.....literally.

AndrewZPSU

I'm in touch with a chevy dealer, they're finding out if the warranty still applies or not. He thinks it does as long as GM installs it.

C6LSx

My local dealer advised that if they installed the cam as well as the GM Performance CNC ported L92 heads on my LS3; they would honor my 5 year/100,000 mile power train warranty.

I would obviously get it in writing so there is no misunderstanding later, but I am only sharing what my selling dealer advised me in my situation.

AndrewZPSU

Did they quote you with a price for install?

Craigster05

As you consider the GM hot cam, remember it's not a new or special design, it has been around and marketed as the GM Hotcam since the mid 90s. It's a 219° intake and 228° exhaust with .525-inch intake and exhaust valve lift with a 112LSA.

The 112 LSA along with the overlap and low lift will make for a cam that idles roughly, and although it has decent mid-range, it's not great peak HP and may give you issues passing inspection depending on where you live. It may fit the bill for you, but I'd talk to a few H/C shops to get more information so you are not unhappy with your decision and waste some precious $$$. I like the old saying "measure twice, cut once". There really is nothing magical about it, and for the same money, there are better choices, especially if you have a specific mod direction you want to pursue.

I've never heard of anyone getting 50 HP with just it. I think the "50HP" rumor is from the LS3 crate engine ad from GMPP. I'm not sure I even trust the specs on the ad, since in the ad it states:

The GM Performance Parts engineers picked the LS Hot Cam (p/n 12617570) to take the LS3 to the next level.

If you look up that part number, it is a number for connecting rods.

http://www.superchevyperformance.com...p/12617570.htm

Fore58

I beleive GM is claiming 50bhp instead of 50rwhp. The 08 is supposely 430bhp and with the so-called hot cam 480bhp or at the crank so to speak. Just my .02

xstang

The P/N is 88958733

Chevtech

Now the question would be, how would we really know if you installed the cam? A tune would be required though. The parts warranty is for the motor, the Factory warranty on the car would NOT REALLY apply to a CAM INSTALL.


G.M. Parts just released this LS3 witGM Performance Parts is pleased to announce the availability of both the LS376/480 crate engine and also the non-programmable engine controller kit for the LS376/480 engine.

This new complete performance engine is rated at 480 horsepower and 475 lb/ft of torque. This engine is based on the new 2008 Corvette 6.2L LS3 V-8 production engine, but it's been upgraded with the GMPP LS Hot Cam to increase performance by 50 horsepower. This engine is fuel injected and requires a controller system.
The LS376/480 controller kit is calibrated specifically for the LS376/480 engine. This controller kit is virtually plug-and-play, and comes with everything (except for a MAF inlet tube) you'll need for use in nearly any vehicle.


EFFECTIVE DATE:
Immediately


ORDER INPUT:
Available to all GM dealers


GENERAL INFORMATION:
Crate engine P/N 19171224

Supported by GM Performance Parts standard limited crate engine warranty of 24 months/50,000 miles (see warranty card, item number PT-WA-0036-08)
Refer to page 114 of the 2008 GM Performance Parts catalog for more details
ECM and wiring harness sold separately (see below)
Controller P/N 19201327

Supported by GM Performance Parts standard limited warranty of 12 months/12,000 miles (see warranty card, item number PT-WA-0036-08)
Kit includes the following:
Controller
Engine Harness
Mass Air Flow Meter
Mass Air Flow Meter Mounting Boss
Accelerator Pedal Assembly
Oxygen Sensor (Qty 2 Per Kit)
Oxygen Sensor Mounting Boss (Qty 2 Per Kit)
Instruction Kit
Additional information can be found in the 2008 GM Performance Parts Catalog page 357 or on the gmperformanceparts.com website
* Note - This controller will not function in a production vehicle unless all kit components are used and will not operate production gauges

AndrewZPSU

Right from the GM Performance Parts website.... Do you think this applies to installing the cam in the Vette?

14.)Can I replace parts on my GM Performance Parts engine without voiding the warranty?

Yes. However, GM will only warranty engines and components against a defect in GM's material or workmanship. The warranty does not cover damage caused by improper installation, negligence, or damage caused by the installation of parts that are not approved by GM.

Ragtop 99

In fact replicating the cam with higher lift/ faster ramp rates will result in more power and a better idle. Valve springs won't last anywhere as long, but I don't see too many people putting 15k/year on their vette mileage wise.

Next if you have headers, a cam with less of a split may be better suited to your needs.

AndrewZPSU

I'm interested in keeping my warranty. This is my only car and thus daily driver. I'll be putting that 15k a year on mine I believe. So when it comes down to it for me the warranty must last, or the modification doesn't happen.

Fore58

Of course, why take a chance on a daily driver.

C6LSx

My local selling dealer; Bob Bell Chevrolet in Bel Air, Maryland quoted me $1200.00 in labor for the GM Hot Cam installation.

Ragtop 99

Did the $1200 include flashing your computer with the tune for the hotcam?

Varmit

Three ealerships in San Diego, including Jimmie Johnson Chev, states the warranty will remain intact on our Z06's if the dealer installs the cam. Quoted a price of $2100 for parts and labor

C6LSx

Yes; the dealership labor charge of $1200 included the reflash of the PCM to recognize the cam install.

I was going to buy all of the GM Hot Cam components from Scoggins but will more than likely buy it all from Bob Bell Chevrolet as they agreed to price match on the parts.

The dealership also said that for $800 more or $2000 total (total labor charges); they would install the GM Hot Cam and the GM Performance L92 CNC ported cylinder heads.

I spoke with Al the dealership service manager again to confirm out initial conversation and he again stated and would put in writing that my GM 5 Year - 100,000 mile powertrain warranty would be honored if any of these GM Performance catalog components caused any other related system failures.