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Speed density????
Speed density???? Ok for starters im a complete noob when it comes to this tuning business. So how does a speed density tune work and able to delete the MAF sensor?
Originally Posted by waterbug1999
Whats the pros and cons?
https://ls1tech.com/forums/pcm-diagnostics-tuning/509481-advantages-disadvantages-sd.html
Originally Posted by foff667
comon man your no newb...stickies are your friend around here
https://ls1tech.com/forums/showthread.php?t=509481
https://ls1tech.com/forums/showthread.php?t=509481
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I have been running in speed density for a couple weeks now.I made the switch because i will installing a ported fast 90/90 and dont want any restrictions,including a MAF sensor.I have not been able to tell the difference between the two since i switched.I may have picked up a few ponies up top but cant tell.Idles the same and everything.With the new speed density OS,you can make a really large sized cam idle and drive great.
TECH Enthusiast
Joined: Nov 2006
Posts: 620
Likes: 0
From: Katherine N.T Australia
Plenty of pros for going SD
Improved Throttle response
More Power
Better Fuel economy
1 less thing to break
Opens up more options for intake designs
Cons.
Acurate fueling is more time consuming to achieve
Can be suseptible to atmospheric drift if not tuned accuratly.
Myths. SD tunes must be retuned for different climates and altitudes. This is sort of true, but the main curplet is inlet temp for VE drift. But thats why we have custom OS's with fields to adjust for this. Altitude. The PCM knows barometric pressure so it compensates for such occasions.
Improved Throttle response
More Power
Better Fuel economy
1 less thing to break
Opens up more options for intake designs
Cons.
Acurate fueling is more time consuming to achieve
Can be suseptible to atmospheric drift if not tuned accuratly.
Myths. SD tunes must be retuned for different climates and altitudes. This is sort of true, but the main curplet is inlet temp for VE drift. But thats why we have custom OS's with fields to adjust for this. Altitude. The PCM knows barometric pressure so it compensates for such occasions.
