Willem @ Fuel Injection Concepts
10-07-2007, 04:18 PM
http://www.fuelinjectionconcepts.com/vettesmall.jpg
Preface
As some of you may have known, I had a 2002 C5 Corvette since the time I was working at H***** Turbo Systems. Until this point, it was a stock bottom end car with truck heads running the H****** Turbo fender mounted turbo kit with twin PTE turbochargers.
This year the car finally was ready to rock and roll, and I took it out to byron a couple of weeks ago to get my first 1/4 mile passes in. I had just put in a Synergy 2 step and installed my newly acquired CCW drag pack wheels. Prior to this point, i had been running the car off the waste gate springs at about 7.5 psi which was making ~620 to the rear tire. Fine for a stock bottom end, especially with the conservative tune I had in it. I knew I wanted to go with a bigger setup/engine and I figured i'd go all in. I slapped on a MBC and cranked up the boost (i had the fuel system to back up whatever was to come). I did a shakedown pass at byron, first run ever, slowly leaving the light, and not hitting it until about the 60 foot mark. The car proceeded to pull like a MOFO and light up the new M/T's on the back. When 3rd gear came.. KABOOM.
Based on my datalogs and calculations from inj duty cycle/a/f ratio, I was putting down about 760 rwhp. (this was with a untouched bottom end, stock rod bolts even). No detonation, and until the point of failure the a/f was still 11.4:1, rock solid. Just a horsepower failure. Every rod left the crankshaft and made nice windows all over my 20,000 mile stock shortblock. :)
Click here for the video of this pass. (http://www.fuelinjectionconcepts.com/video.mov)
To be continued..
Preface
As some of you may have known, I had a 2002 C5 Corvette since the time I was working at H***** Turbo Systems. Until this point, it was a stock bottom end car with truck heads running the H****** Turbo fender mounted turbo kit with twin PTE turbochargers.
This year the car finally was ready to rock and roll, and I took it out to byron a couple of weeks ago to get my first 1/4 mile passes in. I had just put in a Synergy 2 step and installed my newly acquired CCW drag pack wheels. Prior to this point, i had been running the car off the waste gate springs at about 7.5 psi which was making ~620 to the rear tire. Fine for a stock bottom end, especially with the conservative tune I had in it. I knew I wanted to go with a bigger setup/engine and I figured i'd go all in. I slapped on a MBC and cranked up the boost (i had the fuel system to back up whatever was to come). I did a shakedown pass at byron, first run ever, slowly leaving the light, and not hitting it until about the 60 foot mark. The car proceeded to pull like a MOFO and light up the new M/T's on the back. When 3rd gear came.. KABOOM.
Based on my datalogs and calculations from inj duty cycle/a/f ratio, I was putting down about 760 rwhp. (this was with a untouched bottom end, stock rod bolts even). No detonation, and until the point of failure the a/f was still 11.4:1, rock solid. Just a horsepower failure. Every rod left the crankshaft and made nice windows all over my 20,000 mile stock shortblock. :)
Click here for the video of this pass. (http://www.fuelinjectionconcepts.com/video.mov)
To be continued..