JOE VINCI'S PROJECT Z28

 

98 Z28

409cid / 565 rwhp

10 second street machine

"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.
 

< click here for updates & pictures >

DRAG STRIP RESULTS
 
          ET SLIPS                   ELAPSED TIMES

TEST TRIM                                                           60'      1/8MILE         1/4MILE        MPH 
    
  
STOCK                                                              2.11       9.065             13.86        103.28  

  TEST 5                                                               1.54       7.011             10.67        134.45 

      

                                            

DYNO RESULTS

                              RWHP     RWTQ      AT      AP     VP      ET       CF      GRAPH OF RESULT

                              291.5          287.1         92     30.07 
 .59     195     1.01  < click here for graph >
 
                       
273.2         310.2         71     29.86   .56      190       .99    < click here for graph >       
                              293.2         296.9         84
   30.37   .47     190       .98    < click here for graph >

                             
565.5         549.6         87     29.88   .57     195       .99 

                                                                                         

 

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TEST 1
BASELINE
EQUIPPED WITH VHP AIR INTAKE & CORSA CATBACK

TEST 2
INSTALL 3:73 DIFF PACKAGE

TEST 3
INSTALL 551 / 551 . 224 / 224 . 114 lsa CAMSHAFT

TEST 4
INSTALL FULL SUSPENSION PACKAGE

TEST 5
INSTALL 409 CID PUNISHER ENGINE PACKAGE