nshttpd Posted September 12, 2013 Report Share Posted September 12, 2013 So, the GPS/Navigation system is really wonky. Indoor dyno with no GPS signal yet the computer attempts to figure out what's going on based on steering input and driveline speed. The tech said it was doing all sorts of weird things, like ... saying it was on the road out in front of the shop, heading north, quickly. I just thought that was amusing. The traction control/sport trac system lit up all sort of lights too on the dash. Also, speed limiters are lame. It's stock except for for a resonator delete and roush axle backs. So in fifth it would never bump off the stutter box, but instead just dropped when it hit 157 MPH or so. It was just a baseline run to get numbers before my box of goodies from VMP shows up for it. It spit out 440/457 in high 80's September Georgia weather. -steve Quote Link to comment Share on other sites More sharing options...
kawwy600 Posted September 12, 2013 Report Share Posted September 12, 2013 What year is your GT500? Quote Link to comment Share on other sites More sharing options...
nshttpd Posted September 12, 2013 Author Report Share Posted September 12, 2013 2012 .. and I was wrong about the temp. It was 94F with 23% humidity. -steve Quote Link to comment Share on other sites More sharing options...
Torched10 Posted September 13, 2013 Report Share Posted September 13, 2013 Steve id check the humidity number--unless you live in Az,youll never see 94/23 in georgia--The lower the humidity,the higher the HP--so when thyre correcting, youll lose HP.usually in the summer,humidity will run over 60%,unless youre in the Mtns,but then it wont be 94 Quote Link to comment Share on other sites More sharing options...
nshttpd Posted September 16, 2013 Author Report Share Posted September 16, 2013 You know, I thought about that humidity number when I was looking at it, but then we started talking about ALMS racing and differences between Motec, Bosch and Magneti Marelli systems and I forgot about it. You're right though in that it's got to be off. After I get my VMP goodie bag installed and run it back up there to get the next run done to check on the difference I'll pay more attention and ask about it. Thanks. -steve Quote Link to comment Share on other sites More sharing options...
SnowSnake Posted September 27, 2013 Report Share Posted September 27, 2013 So, the GPS/Navigation system is really wonky. Indoor dyno with no GPS signal yet the computer attempts to figure out what's going on based on steering input and driveline speed. The tech said it was doing all sorts of weird things, like ... saying it was on the road out in front of the shop, heading north, quickly. I just thought that was amusing. The traction control/sport trac system lit up all sort of lights too on the dash. Also, speed limiters are lame. It's stock except for for a resonator delete and roush axle backs. So in fifth it would never bump off the stutter box, but instead just dropped when it hit 157 MPH or so. It was just a baseline run to get numbers before my box of goodies from VMP shows up for it. It spit out 440/457 in high 80's September Georgia weather. -steve Speed limiter might be lame but would not recommend turning off the rev limiter..I have bounced off of mine a couple of times and glad it was there...these motors don't like 7000 RPMs Quote Link to comment Share on other sites More sharing options...
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