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Old 08-16-2007, 10:09 AM   #1 (permalink)
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Building boost on the line with ecuflash???

I was just wondering if any one has experimented with tuning to build boost on the line. It's an old tuning trick where you go into the map, add a good amount of fuel and retard the timing. Basically I'm looking to go into the 4500/5500 RPM and 10-50% load ranges of the fuel and timing maps. I have my stationary rev limiter set to 5031 RPM's. I wanna add fuel and pull the timing back to maybe 15*??? Right now the timing is at 35-38*. I'm looking to build 10-12Lbs of boost too.
Has anyone tried this on ecufalsh yet? If so what has worked for you?



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Old 08-16-2007, 10:26 AM   #2 (permalink)
 
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I haven't tried that specifically, but it already builds boost on the line just using the stationary rev limiter. At 6k, you see 10-12psi, but at 5k, you see 6-8 or so. You may be able to make it produce more boost at the 5k mark, but 5k is too low for launching, imo.





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Old 08-17-2007, 08:25 AM   #3 (permalink)
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At what throttle position are you seeing that boost at? I'm just starting out with this and logged the 5K rev limit at 30% throttle and pretty low load. That's why I was thinking of tweaking that spot on the map.



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Old 08-17-2007, 11:45 AM   #4 (permalink)
 
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Throttle should always be 100% if using launch control. That's the point. Floor it and keep it floored.





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