Last month we compared a 406ci traditional Mouse to the 402ci LS2 shown here, only we ran out of time before we could kickit up a notch with a little spray action. You honestly didn't think we would let something like that slide, did you? Now rather than getting into all the ins and outs regarding nitrous (since that's on page 20), let's get to the point and define it as what most call it on the street-horsepower in a bottle. Some like to call it cheating, but horsepower is horsepower and the engine is simply a big air pump that doesn't care how the power is being generated. While we don't advocate trying to hook up the insane amount of torque shown here onto the street, it's a surefire way to showcase what a basic kit can do for you.

To recap, our mule is an all-aluminum-block LS2 from the General that we had Turn Key Engine Supply assemble with a set of 62cc Dart as-cast Pro 1 LS1 225 cylinder heads, an Edelbrock LS1 Victor Jr. manifold, and all Lunati internals. Utilizing a 4-inch stroke and bore, the cubic inches measured 402, with a final compression of 11:1. Again, nothing out of control, and everything is available off-the-shelf; however, it made for a formidable combination, pumping out 583 hp and 530 lb-ft on nuts alone.

For round two, we talked to Texas Nitrous Technology (TNT) to see what we could do to turn up the wick even more. It was a pretty simple solution: the dual-stage nitrous plate. If you already have access to a nitrous bottle and feed lines like we did, then you can opt for TNT's conversion package, which includes the plate, nitrous and fuel solenoids, and all of the stainless braided lines. Enough of the rambling, let's get to the fun!

Quick Notes
WHAT WE DID
Turned our 583hp carbureted LS2 into a nitrous-inhaling freight train.
COMBO
Texas Nitrous Technology Dual-Stage Force 2 plate, Turn Key Engine Supply 402ci LS2, Lunati rotating assembly, Dart Pro 1 LS1 cylinder heads, Edelbrock Victor Jr. LS1 manifold.
PRICE (APPROX)
$1,000 for a complete dual-stage system and $800 for the conversion kit. Single-stage conversion systems start at $425.

  • Ls2 Nitrous Install
    The TNT Force 2 Plate features a trick billet construction with dual crossbars that are each good for up to a 300hp shot. With this dual-stage application, you can also stack the nitrous for a massive 600hp hit. While this is technically considered a two-stage plate, you can essentially create a three-stage system. For traction-limited applications at the dragstrip, you could launch on a 150 shot, hit a 200 shot midtrack as traction permits, and ultimately stack them together for a final 350 shot, making it extremely versatile.
    The TNT Force 2 Plate features a trick billet construction with dual crossbars that are ea
  • Ls2 Nitrous Install
    Mounting the solenoids is easy with the supplied universal brackets. Since both the stainless braided nitrous and fuel lines are precut to a specific length, just mount them as you see fit. In our application, we mounted both the fuel solenoids on the front of the engine, off the factory coil bracket, whereas the nitrous solenoids were mounted out back.
    Mounting the solenoids is easy with the supplied universal brackets. Since both the stainl
  • Ls2 Nitrous Install
    Every kit comes with AN-4 lines routed from the solenoids and into the plate. Supplying the fuel and nitrous is a larger AN-6 hose for big nitrous hits.
    Every kit comes with AN-4 lines routed from the solenoids and into the plate. Supplying th
  • Ls2 Nitrous Install
    To fuel the fire, we used a 750-cfm Mighty Demon jetted with 78/82 in the primaries and secondaries. To expel the fumes, we took full advantage of Westech Performance's in-house set of 131/44-inch Kooks long-tube headers.
    To fuel the fire, we used a 750-cfm Mighty Demon jetted with 78/82 in the primaries and se
  • Ls2 Nitrous Install
    To control the timing, we used MSD's LS1/LS6 controller. Unlike some of the conventional plug-in types that utilize a preprogrammed chip, the MSD unit allows you to have complete control to progressively ramp in timing at any given rpm. If you haven't used one, it's a must-have. As a reminder, the LS2 utilizes a 5-volt cam sensor, whereas the controller was designed for the older LS engines with a 12-volt sensor; in order for the controller to function properly, reverse the two outer wires to change the polarity and you're good to go.
    To control the timing, we used MSD's LS1/LS6 controller. Unlike some of the conventional p
  • Ls2 Nitrous Install
    With timing set at 31 degrees total and the 100hp jetting in place, our mule blasted out 710 hp and 753 lb-ft on 91-octane! In anticipation of the 150hp jetting, we dropped the timing to 27 degrees total and dumped in a few gallons of 100-octane Rockett Brand fuel to prevent any chance of detonation. The result was 798 hp and 786 lb-ft, and this baby pulled clean without a single hint of hesitation. It's important to note that, while we had a gain of 215 hp and 256 lb-ft, the Force 2 Plate is rated as rear-wheel horsepower gains, which is why the 150 jetting gave us so much more on the engine dyno. CHP
    With timing set at 31 degrees total and the 100hp jetting in place, our mule blasted out 7
Dyno Details
100 SHOT 150 SHOT
RPM lb-ft Hp RPM lb-ft Hp
2,600 374 185 2,600 378 187
2,700 373 192 2,700 374 192
2,800 376 201 2,800 373 199
2,900 384 212 2,900 377 208
3,000 394 225 3,000 383 219
3,100 405 239 3,100 392 231
3,200 413 251 3,200 402 245
3,300 420 264 3,300 412 259
3,400 426 276 3,400 420 272
3,500 433 289 3,500 428 285
3,600 441 302 3,600 436 299
3,700 449 317 3,700 445 314
3,800 459 332 3,800 453 328
3,900 470 349 3,900 462 343
4,000 479 365 4,000 471 359
4,100 485 378 4,100 478 373
4,200 490 392 4,200 484 387
4,300 498 408 4,300 491 402
4,400 508 426 4,400 498 417
4,500 535 459 4,500 515 441
4,600 557 488 4,600 531 465
4,700 702 628 4,700 545 488
4,800 747 682 4,800 567 518
4,900 753 702 4,900 638 595
5,000 746 710 5,000 683 650
5,100 729 708 5,100 756 734
5,200 706 699 5,200 781 773
5,300 684 691 5,300 786 793
5,400 663 682 5,400 776 798
5,500 650 680 5,500 762 798
5,600 642 678 5,600 745 794
5,700 635 673 5,700 726 787
5,800 629 671 5,800 709 783
5,900 621 662 5,900 687 772
6,000 613 658 6,000 670 766
6,100 605 651 6,100 654 759
6,200 594 648 6,200 641 756
6,300 584 642 6,300 626 751
6,400 575 634 6,400 612 746
6,500 565 630 6,500 600 743
STOCK HP LB-FT
Average 422 478
100 SHOT HP LB-FT
Average 494 543
150 SHOT HP LB-FT
Average 518 568
PARTS LIST
Item PN Price
Force 2 Plate Conversion kit C2005 $425 ($800 for dual-stage)
Complete Force 2 System F2005-10 $754 ($1,000 for dual-stage)
JETTING DETAILS 100 shot 150 shot
Nitrous Jet 51 63
Fuel Jet 42 51
Total Timing 31 degrees 27 degrees
CAMSHAFT SPECS
Manufacturer Comp Cams
Part Number 54-446-11
Type Hydraulic roller
Valve lift at 0.05 0.595/0.598 inch, intake/exhaust (factory rockers)
Duration at 0.050 232/234 degrees, intake/exhaust
Lobe separation 112 degrees
SOURCE
COMP Cams MSD Ignition
El Paso
TX
9-15/-857-5200
msdignition.com
Dart Machinery
353 Oliver St.
Troy
MI  48084
248-362-1188
www.dartheads.com 		Scoggin Dickey Parts Center
N/A
sdpc2000.com
Demon Carburetion
Dahlonega
Ge
7-06/-864-8544
barrygrant.com 		Texas Nitrous Technology
194 FM. 346 E.
Tyler
TX  75703
Edelbrock Corp.
2700 California St.
Torrance
CA  90503
310-781-2222
www.edelbrock.com 		Turn Key Engine Supply
7-60/-941-2741
www.turnkeyenginesupply.com
Lunati
4770 Lamar Ave.
Memphis
TN  38181
901-365-0950
www.lunaticamshafts.com 		Westech Performance Group
11098 Venture Dr., Unit C
Mira Loma
CA  91752
9-09/-685-4767
www.westechperformance.com
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