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Old 11-15-2006, 08:20 PM   #1
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810HP KB GT500!

810 HP/745 FT/LB KENNE BELL BIG BORE 2.8H SHELBY GT 500 KIT


On November 9th Kenne Bell made history. Our new 2.8H("H" for 2.0 high pressure ratio) Big Bore Twin Screw kit recorded an incredible 810 hp and 745 ft/lbs(SAE corrected). Our Earl's Automotive test car was 100% stock except for cooler plugs, a Kenne Bell boost-a-pump and optional throttle body and inlet system. That's with a stock fuel system (lines, rails, pumps and injectors) through stock cats and exhaust. No headers, cams, nitrous etc., only the 2.8H kit. All with an ultra efficient, compact and lightweight 2L series Twin Screw. The supercharger itself is so efficient that bolting on the big discplacement 2.8H with the same size stock 3" pulley increased power by 125hp(606 vs 481) over the Eaton 122 (2.0L). Same pulley size - same tune. Only a kit change with 100% stock car. The kits HP range is 568 - 810. Preliminary tests indicate it can make 725 hp on pump gas at 16 psi. The new supercharger is so efficient that 1 psi of boost is 25 hp. Remember the "H" series requires less engine HP to drive, By upgrading pulleys(12-20 psi) and optional inlet components(throttle body and cool air kit) there's plenty of room to grow.
Preliminary testing indicates the Shelby makes 725HP on pump gas at only 16 psi and 810 hp at 19 psi. The unusually high HP output is possible because of the 2.8 H's radical 2.0 internal pressure ratio. Other 2.2, 2.3 and 2.4 Twin Screws use a 1.4 built in internal pressure ratio. The new design Kenne Bell 2.8H consumes up to 40 less engine HP to drive, that means 40 more rear wheel HP at the SAME boost. Discharge air temps is also 30 degrees cooler at high boost levels. These two 2.8H features(less parasitic HP loss and lower air temps) are responsible for it's unusually high HP levels.
Equally important to the overall high effeciency of the kit is the cavernous high flow 1000 hp + inlet and a huge new Kenne Bell dual 75mm throttle body.Both were developed on our new 1000 hp flow bench.
Our goal was to engineer a flexible kit with a compact lightweight, highly efficient - low parasitic loss billet twin screw that would make all the HP 99% of our customers would ever need. 810 hp and 670 ft/lbs at only 2500 rpm is more than enough to exceed the design limits of the stock engine and drive train.
Literature and Tech Tips will be posted on our website on Dec. 15th. or sooner. Next we'll gut the cats and test headers, exhaust and cams on the dyno and drag strip. Earl will be doing all the driving. The "Shelby Tech Tips" will include everything we've learned about the car's fuel system, ignition, clutch, inlet system, calibration etc. along with 50 dyno tests from the stock 444hp / 428 ft/lbs to 810 hp / 745 ft/lbs.
We have 2 months of development time and over 500 dyno runs on the Shelby. It is the most exciting, efficient and insanely powerful production engine we've ever done a kit for. By comparison, our GT Supercar made 710hp with a 2.3 Lysholm and Kenne Bell HCD Drive Conversion with 2 1/2 pulley. The KB 2.8 H Shelby made 810 with the same 2 1/2 pulley, throttle body, tune etc.The heads, cams and CR are also the same for both engines, the Supercar even having a perceived power edge with it's exhaust and dry sump. Yet the KB 2.8H equipped Shelby developed another 100 hp (810 vs. 710). The 2.8H is definitely capable of pumping 800 + HP into these engine. Kits should be available Jan. 15, 2007 or hopefully sooner. Again, our kits are designed so yu can customize the desired HP by selecting the pulley, cool air kit and dual 75mm throttle body. Tuner kits are also available and no problems with the pulley to hood clearance at the lower boost/HP levels. 25 HP increments from 568 - 810 with a direct bolt on on upgrade kit and all stock engine components.

The first dyno graph is the KB 2.8H Shelby kit vs. Ford GT Lysholm 2.3 kit with same 2 1/2 pulleys, same timing, and same A/F ratio.

The second dyno graph is the same KB 2.8 Shelby kit vs. stock Shelby Eaton 122 with same 2 1/2 pulley, same timing, same A/F ratio.
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Old 11-15-2006, 08:25 PM   #2
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Re: 810HP KB GT500!

take that all you "oh my terminators so fast" people
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Old 11-15-2006, 08:31 PM   #3
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Re: 810HP KB GT500!

OMG THE 03/04 CAN NEVUH LOOSE!!! O NOES!!!!

PS the dynographs don't work.
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Old 11-15-2006, 09:43 PM   #4
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Re: 810HP KB GT500!

GT500 > asterisks.
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Old 11-15-2006, 10:01 PM   #5
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Re: 810HP KB GT500!

Sweet but I could never afford one in the first place.........
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Old 11-15-2006, 10:14 PM   #6
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Re: 810HP KB GT500!

yeah id love to see how that stock block is gonna hold when they "drive it like you stole it" type of deal

im gonna say not long at all....

Cool nonetheless :approve:
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Old 11-15-2006, 11:38 PM   #7
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Re: 810HP KB GT500!

Quote:
Originally Posted by bbunt302 View Post
GT500 > asterisks.
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Old 11-16-2006, 08:14 AM   #8
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Re: 810HP KB GT500!

that will definatly go past the stock engines abilities for reliability so they did their job, with a blower that is that good they might can push past the current stock engine hp/tq limits and be safe.


This thread WILL NOT turn into a terminator vs GT500 thread so you best remember this when you post again. Be glad for the GT500 for doing a good job and making the mustang look good.
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Old 11-16-2006, 09:11 AM   #9
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Re: 810HP KB GT500!

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Originally Posted by SpectorV View Post
that will definatly go past the stock engines abilities for reliability so they did their job, with a blower that is that good they might can push past the current stock engine hp/tq limits and be safe.


This thread WILL NOT turn into a terminator vs GT500 thread so you best remember this when you post again. Be glad for the GT500 for doing a good job and making the mustang look good.
Well put
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Old 11-16-2006, 11:59 AM   #10
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Re: 810HP KB GT500!

The first dyno graph is the KB 2.8H Shelby kit vs. Ford GT Lysholm 2.3 kit with same 2 1/2 pulleys, same timing, and same A/F ratio.

Click image for larger version

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The second dyno graph is the same KB 2.8 Shelby kit vs. stock Shelby Eaton 122 with same 2 1/2 pulley, same timing, same A/F ratio.

Click image for larger version

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Old 11-16-2006, 02:11 PM   #11
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Re: 810HP KB GT500!

doesnt bother me. Not like 800hp+KB is new news or anything.

[Edited by SpectorV]

[Edited by Smurfin too]
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Old 11-16-2006, 02:41 PM   #12
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Re: 810HP KB GT500!

Quote:
Originally Posted by Herbstang View Post
The first dyno graph is the KB 2.8H Shelby kit vs. Ford GT Lysholm 2.3 kit with same 2 1/2 pulleys, same timing, and same A/F ratio.

Attachment 15251

The second dyno graph is the same KB 2.8 Shelby kit vs. stock Shelby Eaton 122 with same 2 1/2 pulley, same timing, same A/F ratio.

Attachment 15252
You mean someone actually put a car on a dyno and posted corrected numbers? Damn...that's a first...all the vendors on SVTP post up STD numbers to bloat their products gains...then people get pissed over why they didn't jump 80 hp like the graph shows. lol
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Old 11-16-2006, 03:48 PM   #13
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Re: 810HP KB GT500!

:admin:

i want to hear it (the KB)
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Old 11-16-2006, 03:50 PM   #14
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Re: 810HP KB GT500!

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Originally Posted by KyleUSAF View Post
:admin:

i want to hear it (the KB)
I've heard a number of reports that the new 2.6 and 2.8L KB's aren't near as loud as the old 2.2 and 2.4's were. A lot of people are saying that the 2.3L whipple is much louder than the new KB's...
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Old 11-16-2006, 03:50 PM   #15
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Re: 810HP KB GT500!

I wish there would be one definate format for dyno information but... with the details of all the parameters that can go into accurate hp/tq information its nearly impossible to do such a thing.
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