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Discussion Starter #1
So I understand the how the pv5 auto tune wrks and everything. I jus finished twin turboing the raptor. Got a good base map to start with. I haven't turned on the 3 bar map sensor feature yet so its jus running on throttle and rpm settings my question is will the auto tune trim the pressure sensor setting also. Or jus the main map? Reason I haven't turn the pressure sensor yet is cause I've done gsxr 1000 turbo kits on pc3 without a bar sensor and they've wrked fine that way for years. If I can get a good tune wit out using the bar sensor on the raptor less brain wrk but if needed once on the dyno ill turn it on. I only have it turn up to 3-5 psi but with a half ass tune its a huge difference.
 

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http://m.facebook.com/home.php?stype=cs&s=166900786&refid=7&_rdr#!/photo.php?fbid=10150150825521737&id=504371736&refid=13
 

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:banana_hitit: finally, i got to use the banana guy! bike looks really good
 

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No problem, hopefully Ill have mine back together by this next weekend. Then get them both on a dyno
 

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#327 "After Hours"
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WOW! That looks insane. What kind of numbers does that produce?
 

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Twin turbos huh...... crazy
 

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Still got a few little bugs to work out. Still new to this lockout type clutch riding it I almost need training wheels.. lols hopefullt can get cn76 turbo raptor back together here soon big them both to the dyno. The twin turbos still equal less than wat cn67 has I'm sure. this isn't no sand queen some trail and dirt riding but main use will be my summer gas saver ride to wrk lols btw it is on e85
 

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I'v been looking around for instructions and havnt found a strait answer. I think you should run the auto tune feature first and get a good map at low boost, then kick on the boost input and tune that without the auto tune. We need to find what the voltage is at every psi...
 

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Discussion Starter #14
Ya I been searching too I found one for 2 bar but its and in kp I got my boost gauge today so see how far the auto tune will go
 

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I read that the auto tune will only go + or - 20 off the base map... my 3 bar 0 psi is 2.22volts. still cant find my chart though
 

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Brooklyn Raptor.
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Nice!
 

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I like yours style and that's really amazing!But do you know any other charming fashion one?Actually I have a Cartier Bangle and I think it's good!So hope you can give me some advise about it!Where did you got that?I really like taht and I only own a Cartier Rings,it's not bad but not my style so can you give me some advise?
 

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I read that the auto tune will only go + or - 20 off the base map... my 3 bar 0 psi is 2.22volts. still cant find my chart though
The Auto tune will make trims in the base fuel trim table , It will not populate trims in the boost offset table. If you have a good base line map and have your pressure tables built in the PCV software. for you GM 2/3 bar sensor. You can put an educated guess of how much fuel you will need in the boost offset table. The auto tune will then make trims to even clean that up further. However, The changes will reflect in the base line map.

The +/- % of adjustment in the auto tune is how much change the auto tune will make at one given time. Max can be set to 50%. This means from the time you go out sampeling and making trims the max it will adjust is to the value you set (default is 20%). After the trims have been generated and say maxed out at the 20% you have to accept and apply the trims before you can get the % of adjustment back in the trim table.

Here is a pressure table to help you figure out your boot

gm 2 gm 3
Volts Pressure Pressure
0 0 0
0.25 1.465 2.2925
0.5 2.93 4.585
0.75 4.395 6.8775
1 5.86 9.17
1.25 7.325 11.4625
1.5 8.79 13.755
1.75 10.255 16.0475
2 11.72 18.34
2.25 13.185 20.6325
2.5 14.65 22.925
2.75 16.115 25.2175
3 17.58 27.51
3.25 19.631 29.8025
3.5 20.51 32.095
3.75 21.975 34.3875
4 23.44 36.68
4.25 24.905 38.9725
4.5 26.37 41.265
4.75 27.835 43.5575
5 29.3 45.85
 

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The Auto tune will make trims in the base fuel trim table , It will not populate trims in the boost offset table. If you have a good base line map and have your pressure tables built in the PCV software. for you GM 2/3 bar sensor. You can put an educated guess of how much fuel you will need in the boost offset table. The auto tune will then make trims to even clean that up further. However, The changes will reflect in the base line map.

The +/- % of adjustment in the auto tune is how much change the auto tune will make at one given time. Max can be set to 50%. This means from the time you go out sampeling and making trims the max it will adjust is to the value you set (default is 20%). After the trims have been generated and say maxed out at the 20% you have to accept and apply the trims before you can get the % of adjustment back in the trim table.

Here is a pressure table to help you figure out your boot

gm 2 gm 3
Volts Pressure Pressure
0 0 0
0.25 1.465 2.2925
0.5 2.93 4.585
0.75 4.395 6.8775
1 5.86 9.17
1.25 7.325 11.4625
1.5 8.79 13.755
1.75 10.255 16.0475
2 11.72 18.34
2.25 13.185 20.6325
2.5 14.65 22.925
2.75 16.115 25.2175
3 17.58 27.51
3.25 19.631 29.8025
3.5 20.51 32.095
3.75 21.975 34.3875
4 23.44 36.68
4.25 24.905 38.9725
4.5 26.37 41.265
4.75 27.835 43.5575
5 29.3 45.85
Thanks for the info. Only problem we found with your pressure table is that anything below 1bar is vaccume. 1bar = atmospheric pressure, so thats why my 2bar sensor reads 2.2volts with no vaccume or boost. I now have a 3bar sensor and it reads 1.5volts with no vaccume or boost. So the 2bar sensor actually will only read up to around 13-15psi and the 3bar will read up to 29psi.
 
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