All tests conducted on LaRocca's Chassis Dyno  
  name car hp torque engine mods notes other mods email address  
1 Tony Tancredi 99 pewter hardtop C5 6M 346 349.4 Vette Doctors ported and polished heads (stock size valves, new springs, 3 angle valve job), long tube headers, Pro Flow + intake, IRS MAF ends, MAF screen removed, X pipe, B&B cat-back Vette Doctors dyno'd car (w/o custom present) at 365 hp and 352 ft/lbs. Ripper shifter. tonytan@erols.com  
2 Phil 99 T/A, NBM, 16k miles. 322.8 336.8 Random Tech cat-back, Whisper, GMS MAF(removed), Fram filter, Free ram air mod, EGR mod.                                                                                                                                                    ***installed Grotyohann headers and Y pipe with RT cats at a later date and tested on a different dyno: 338 hp and 348.8 TQ. car gained 4.2 hp and 7.7 lbs. By removing GMS MAF and reinstalling stock (unported) MAF.  13.1 @ 108 w/ rsa's.                        run1: GMS
run2: borrowed someones ported stock MAF (broke up at high rpm)
run3: stock MAF; made most power.
Pro 5.0 shifter, poly tranny mount and torque arm bushing, chrome rims fbodyws6@aol.com  
3 Don Olsen 2000 ws6 TA M6 sebring silver, 4000 miles 320.2 331.3 Whisper Lid and GMS Mass Air lid only..300 hp and 316.3 torque at 1600 miles.  13.2 @ 107.8 G2 STB, fan switch neo929@freewwweb.com  
4 Troy 98 Z28 w/23k miles, black, 6M. 320 336.7 Borla, HPP3, Whisper Lid, Fram filter, Magnacore wires, NGK TR-55 plugs. 13.2 @ 106.5 on Goodyear RSA's.  car made 8 hp and 8 lbs. more with biggest plate vs. 2nd biggest plate on borla.  other mods: LG panhard, LCA and STB, B & M Ripper. tosetek@att.com  
5 Chris Warren 99 Z28 6M, 25k miles. 320 334.6 Flowmaster American Thunder, Whisper lid, Centerforce, GMAF, 3.73's 1st w/ GMS 313 hp/327 ft/lbs., 2nd w/ stock MAF 317 hp/331 3rd w/GMS #'s shown              Best ET 13.07 @109 ripper, nittos, chrome 17x9 SS rims WarrenC@MWHSE.com  
6 Don 98 Z28, 6M, 31k miles. 318.5 336.2 SS take-off muffler with 2 tailpipes, ported MAF, whisper lid, EGR mod and free ram air. car lost 30 hp and 20 lbs when stock MAF, lid and baffles were installed!! sport appearance package, t tops, chrome rims. djm@puma.att.com  
7 Scott Mandel 99 Pontiac Firebird Formula, pewter, 11k miles. 318.4 333.8 RT cat-back, GMS MAF sensor, Direct-flo lid, !EGR 12.84 at 109 with drag radials.  290 hp and 310 ft/lbs. Stock.  306 and 321 w/ RT, !EGR and lid.  312 and 327 with more miles. shift-lite in vent, B&M Ripper, chrome WS6 rims, Hurst line-loc, fan switch, Borla carbon fiber exhaust tips, 1LE front sway-bar. scottmandel@msn.com  
8 Mario 99 WS6, 6M, black, 6300 miles. 312.8 329.4 Mecham exhaust, GMS MAF, Whisper, K & N filter, HPP3, 4.10 gears, EGR mod, throttle-body by-pass.  Brian Green Ram Air Mod, 2nd Baffle removed (does not affect open hood dyno run). shift-lite in vent, SLP SFC, T/A cover, Kirban shifter, HAL front shocks, BMR LCA, Panhard and STB, Eibach springs, mme@capital.net  
9 Alan 99 Z28, 6M, 26k miles, black. 311 324 Whisper, GMSMAF, 4.10 gears, Flowmaster American Thunder, free ram air mod. 13.3 @ 108 17 inch SS rims, SLP shifter, BMR STB, eibach springs discord157@aol.com  
10 Dennis 98 C5 with auto, 34k miles. 307 316.6 3.42 gears, Pro Torque 2900 stall converter, Flowmaster mufflers, K & N air filter. 12.44 @ 109.9 w/ 275-40-17 BFG drag radials. lowest HP of modded LS1's, but quickest in the 1/4 mile. dkazimir@aol.com  
11 Kyle 99 SS 6 speed 304.1 324 Whisper Lid and GMS Mass Air 13.446 @ 106 MPH.  Run 1.  #'s posted.  Run 2 Stock Mass Air  302.9 HP @ 5200 and 322.4 ft/lbs @ 4400.   MikeTR03@aol.com  
12  troy 2000z28 m6 with 7000mi 301.8 316 all stock     juiceyboots@netzero.net  
13 Howard Mandel 98 camaro Z28 SS, auto, 5k miles 291 295? whisper lid, HPP3.  13.6 at 103 with drag radials.  276 hp before these mods. Convertible, Bristol Speedway and Brickyard 400 Pace Car. howies9450@aol.com  
  Non-LS1 cars:                
  name car hp torque engine mods notes other mods email address  
  Bill 96 DOHC Cobra, 5 speed, 12k miles, black. 283.8 281 4.10 gears, ASP pullies, Pro M 77mm mass air meter, 2 chamber Flowmaster mufflers (stock tailpipes), Steeda Timing Adjuster, Dr. Gas X pipe (no cats). 12.81 @ 108 w/ BFG 274-40-17 drag radials. other mods: K & N air/fuel ratio meter (pillar-mounted), Brembo discs (front & rear), Cobra R rims.    
  Daryl 93 5.0 stang, 70k miles, 5 speed, black. 205 274 Flowmaster American Thunder cat-back, K & N air filter, 73mm C & L mass air meter, synthetic oil. n/a car made 218 hp and 283 lbs. torque with belt removed.    
  Dave 94 LT1 vette, 6 speed, 19k miles, red. 284 313 reprogrammed computer, SLP open element air filter system (w/ 3 K & N filters), B & B tri-flow cat-back, 3.92 gears, by-passed throttle-body coolant line. 13.15 @ 108 before gears and exhaust.  *13.36 @ 106 after exhaust but before gears.  *13.48 @105 with all mods. *poor et's probably resulted from original plugs and wires, which still need to be replaced.  Car made 4 hp and 3 lbs. torque LESS with air-foil and MAF screen.