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408cid + 2.6L KB = Lots of Torque

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Old 08-28-2008 | 01:21 PM
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From: Wish I was in a boat fishing...
Default 408cid + 2.6L KB = Lots of Torque
Here is a little video of a project we just finished.

2004 Z06 Corvette
  • HKE 9:5:1 408 Iron Block
  • Trick Flow 235cc Heads
  • Custom Blower Camshaft
  • Kenne Bell 2.6 Supercharger @ 13 psi
  • 8" Crank 8 rib with 2.75" Blower Pulley
  • Dynatech Headers with cats
  • 2 bar SD Tune

Installed and Dyno Tuned IN HOUSE

699 RWHP @ 6300 RPMS
760 RWTQ @ 2500 RPMS

http://www.youtube.com/watch?v=-vWB2Dk-kAM
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Old 08-28-2008 | 01:25 PM
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Good GAWD
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Old 08-28-2008 | 01:26 PM
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Thats pretty sick!
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Old 08-28-2008 | 02:32 PM
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That looks like nitrous torque! Can you say wheelspin? Can you say effortless passing in 6th gear?
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
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Old 08-28-2008 | 02:45 PM
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Jesus christ i wish my procharger did that!
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Old 08-28-2008 | 02:50 PM
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This car has stock Eagle Supercar tires. It is pointless. Any more than 1/4 throttle in 1-4th gears and your not going anywhere but to the rev limiter.
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Old 08-28-2008 | 03:09 PM
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Crazy torque! I would like to see the graph if possible.
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Old 08-28-2008 | 03:48 PM
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Can the KB be used on a camaro???
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Old 08-28-2008 | 03:56 PM
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No, it will not clear the firewall/hood/hood cowl.
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Old 08-28-2008 | 04:01 PM
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god that sounds disgusting!
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Old 08-28-2008 | 04:03 PM
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that thing is sick
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Old 08-28-2008 | 04:03 PM
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Damn thats crazy i wish they made a kit like that for a camaro
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Old 08-28-2008 | 04:07 PM
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can I see some underhood pics of this setup?
The TB wraps around the back and to the driverside correct?
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Old 08-28-2008 | 04:32 PM
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Old 08-28-2008 | 04:48 PM
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bad ***!!
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Old 08-28-2008 | 04:51 PM
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Old 08-28-2008 | 05:29 PM
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Originally Posted by Mike TexaSS
Here is a little video of a project we just finished.

2004 Z06 Corvette
  • HKE 9:5:1 408 Iron Block
  • Trick Flow 235cc Heads
  • Custom Blower Camshaft
  • Kenne Bell 2.6 Supercharger @ 13 psi
  • 8" Crank 8 rib with 2.75" Blower Pulley
  • Dynatech Headers with cats
  • 2 bar SD Tune

Installed and Dyno Tuned IN HOUSE

699 RWHP @ 6300 RPMS
760 RWTQ @ 2500 RPMS

http://www.youtube.com/watch?v=-vWB2Dk-kAM
Nice!!! I have a 402ci and a 112 maggie that makes 595rwh and 740rwt on 18lbs of boost, the boost falls off at 6500 rpms to about 13lbs.
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Old 08-28-2008 | 06:26 PM
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This car has boost issues too. With a little porting to the blower inlet it could make well north of 775 RWHP. We lose about 4.5 psi from 4800-6500.

These numbers are on pump gas with no meth IAT's were around 150 deg @ 6500 rpms and around 120 deg while driving.


Id bet that 112 maggie @ 18psi is hot like the sun...
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Old 08-28-2008 | 06:45 PM
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Originally Posted by Mike TexaSS
This car has boost issues too. With a little porting to the blower inlet it could make well north of 775 RWHP. We lose about 4.5 psi from 4800-6500.
That almost exactly what we're loosing with our KB 346. We put ETP heads on it, and made the drop in boost worse!! It looses about 5 PSI from about 4200 to 6000. Starts at 18 PSI at around 4000 (thats peak) and steadily drops to 13 PSI or so @ 6000. We're currently making 675/640. Peak tq is at a ridiculous 2800 or so.
I'm not sure its the blower inlet, as much as just the lack of pumping efficiency.
We started out with the thing at 23 PSI (with lower compression than it has now) dropped a pulley size, and instantly gained about 20 HP. After tuning for the decreased boost, we netted almost 40 HP. Putting better heads on it, and upping the compression, did nothing for it, but loose more boost.
Sorry for the hijack, just thought I would contribute some of our findings.
Very nice build BTW. Love to see that thing with the bigger pump on it!!
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Old 08-28-2008 | 06:53 PM
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whats that trap 140?
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