C5 AUTOMATIC - CONVERTIBLE

 THIS VEHICLE WAS SELECTED TO TEST PRODUCTS FROM A VARIETY
OF MANUFACTURERS, TO DOCUMENT PERFORMANCE GAINS, FROM A
STREET DRIVING
PERSPECTIVE. WE CHOSE THESE  PRODUCTS TO PRODUCE VERY HIGH TORQUE GAINS
RATHER THAN ULTRA HIGH PEAK HORSEPOWER GAINS, WHICH TYPICALLY LEAVE THE DRIVER
WITH A CAR THAT FEELS
POWERLESS RATHER THAN POWERFUL!

"DYNO RESULT ABBREVIATIONS"
    AMBIENT TEMPERATURE             AT 
    
ATMOSPHERIC PRESSURE            AP
   VAPOR PRESSURE                            VP
  
ENGINE TEMPERATURE               
 ET
   CORRECTION FACTOR                   CF 
           REAR WHEEL HORSE POWER      RWHP
           REAR WHEEL TORQUE                  RWTQ

NOTE! ALL EARLY DYNO RUNS WERE MADE IN 2ND GEAR TO GIVE THE BROADEST GRAPH RESULTS.
RUNS IN
3RD GEAR WOULD, OF COURSE, BE HIGHER.
AUTOMATIC TRANSMISSION EQUIPPED VEHICLES WILL ALSO INDICATE SUBSTANTIALLY
LESS HORSEPOWER AND TORQUE THAN CLUTCH CARS.

                  DRAG STRIP RESULTS                
                         

                                                                                           ELAPSED TIME

TEST TRIM                                                    60'       1/8MILE    1/4MILE      MPH


STOCK       < click here for et slip >        2.21         9.02           13.83      101.45

TEST 1        < click here for et slip >       2.01        8.63            13.33       104.50     
                                                                     
TEST 2
       < click here for et slip >       2.01        8.61            13.22        105.78

TEST 3        < click here for et slip >       2.01        8.60            13.01        107.78

TEST 4        < click here for et slip >       1.70        7.89            12.42        109.34

TEST 5        < click here for et slip >        1.77       7.92            12.36        111.13

TEST 6        < click here for et slip >        1.69       7.44            12.07        113.66

 

DYNO RESULTS

   
RWHP       RWTQ           AT       AP          VP          ET          CF 
                                                                  
                                                              
GRAPHS

256.6           258.1          98.5      29.9       .66        192         1.02     <  click here >

 289.8           293.1          85.6      30.1       .72        195         1.00     < click here >

 299.2           301.3          87.3      30.1       .72        185         1.00      < click here >

 317.5           307.5          79.5      30.1       .65        185           .99      < click here >

 312.9           325.5          78.8      30.0       .67        185           .99      < click here >

 342.0           428.1           65.7     29.9       .69        185           .99      < click here >

 359.0           411.5           67.7      29.9      .68         185         1.00     < click here >

STOCK SPECS
ABSOLUTELY  NO  MODIFICATIONS MADE

TEST 1
BASSANI Xhaust TRI-Y 1&3/4 HEADERS, HIGH-FLOW CAT SYSTEM,
& RACE ENGINEERED MUFFLER SYSTEM

(PICKED UP 5 TENTHS AND 3 MPH)

< click here for dyno run & sound byte >


< click here for Corvette Fever magazine article >


< click here for pictures of install >
 

TEST 2 
ECKLER'S STAGE 1 DRAG ENGINE PACKAGE  
AIR FORCE INTAKE, ENGINE OIL ADDITIVE, RADIATOR COOLANT ADDITIVE, DIFFERENTIAL FLUID ADDITIVE,
 POWER STEERING FLUID,
VHP 170 DEGREE THERMOSTAT AND VHP FAN CONTROL
< click here for pictures of products >

TEST 3
ECKLER'S STAGE 2 DRAG  ENGINE PACKAGE
VHP CARBON FIBER AIR BOX (FORCED AIR INDUCTION), THROTTLE BODY AIR DUCT, VHP PORTED POLYMER MAF HOUSING KIT ,
VHP PORTED THROTTLE BODY, VHP PCM REPROGRAMING,
< click here for pictures of products >

TEST 4
ECKLER'S STAGE 2 DRAG DRIVELINE PACKAGE
VHP
2800 TORQUE CONVERTER,
BILSTEIN DRAG SHOCKS,  3:42 ECKLER'S DIFFERENTIAL
< click here for pictures of products >


TEST 5
VHP  STREET / STRIP ULTRA TORQUE  "047" SERIES CAMSHAFT PACKAGE
NOT A 228/236! NOT A 224/224! NOT A 220/220!
NEW! VHP ACCELERATED LOBE PROFILE 047
.530L 210/218 112LSA
THE " ASP KICKER "

TEST 6
 STREET / STRIP ULTRA TORQUE "055" SERIES  CAMSHAFT PACKAGE
VHP ACCELERATED LIFT LOBE PROFILE 055
551L  278/286@.004  216/224@.050   113LSA
THE "BOSS"

< click here for camshaft sound bytes >

<
click here for more camshaft info >

 < back to main page >

VINCI HI-PERFORMANCE