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Old 12-20-2006, 08:19 AM   #1
thebigshow
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Default Possible?

i don't trust switchin realtime maps with my ap. call me paranoid. i want to have my ecu flashed for alky. so wut happens when i'm out of mix? is there any failsafe or whatever i could use that would prevent boost when i'm on "e"? would that b accurate/safe enough to do what i'm tryin to do? any help would b appreciated; thanks.
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Old 12-20-2006, 11:59 AM   #2
Aquamist
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Would it help if the failsafe reduces boost to wastergate settting?

If this is accepable, the Aquamist flow monitoring system- DDS3v8 can do it.
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Old 12-20-2006, 12:23 PM   #3
thebigshow
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well, could u tune an ecu for both alky and pump? i doubt it, but i'm not an expert.
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Old 12-20-2006, 12:51 PM   #4
Aquamist
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You can tune your engine for pump at wastegate pressure (or) below, so when the failsafe cuts in, you will automatiocally on pump fuel map.
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Old 12-20-2006, 12:54 PM   #5
thebigshow
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u don't have to tune for alky?
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Old 12-20-2006, 01:02 PM   #6
Aquamist
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Most alky system comes on at quite high boost. If you can tune your fuel and ignition map quite conservatively up to the wastegate pressure, you will be quite safe, with or without alky.

Do you know what is your wastegate pressure setting is?
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Old 12-20-2006, 01:22 PM   #7
thebigshow
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uneducated warning*

if that is a physical setting, stock. if it is ecu controlled, i am ots cobb stage 2.
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Old 12-20-2006, 01:50 PM   #8
Aquamist
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You may like to talk to cobb and ask them if their alky map is same as the pump map below a certain boost.

It would be nice if they say yes.
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Old 12-20-2006, 02:13 PM   #9
thebigshow
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hmmm; interesting. thanks.
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Old 12-20-2006, 02:20 PM   #10
thebigshow
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i think u know what i'm talkin about, but this might help other people understand. another way of sayin this would b what happens if you run out of squirt during the middle of a run.
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Old 12-20-2006, 03:20 PM   #11
Aquamist
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I will try to contact Cobb if they can gibve me some ideas is thery can construct
an alky/pump map that will be suitable for both below certain boost pressures.

It will be interesting.
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Old 12-20-2006, 04:57 PM   #12
Aquamist
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I have just spoken to Cobb.

It appeared things are more straight forward than I expected. You can purchase download a software called Street tuner, once installed, you can calibrate you own alky/no alky map below a certain boost pressure.

They have been extremely helpful - I am really impressed by their willingness to help over a phone call.
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Old 12-20-2006, 05:40 PM   #13
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First off switch real time maps is not a big deal. It takes about 15 seconds and even if something goes wrong, the ECU is fine. Ive accidentally unplugged the cable while switching Real Time maps and the car is fine.

It is the Base Maps that can cause damage if the battery dies or the cable becomes un plugged.

I have 2 maps. One for pump and one for alcohol. Both are real time maps that I can switch real fast so dont worry about it so much. My base map is a clone of the pump map that, in case I dont have my AP with me and I run out of alcohol, I can just disconnect my battery and Ill be on my pump map.
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Old 12-20-2006, 05:54 PM   #14
thebigshow
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Quote:
Originally Posted by Aquamist View Post
you can calibrate you own alky/no alky map below a certain boost pressure.
not sure if i follow, but then again, i'm no tuner.
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Old 12-20-2006, 05:55 PM   #15
thebigshow
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i'm not switchin realtime maps; i don't trust it.
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Old 12-20-2006, 06:04 PM   #16
Aquamist
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OK, I see if I can rephrase it.

You need to create a new map with the street tuner. Lets call it alky/no alky map.

Normally you run your alky Map with high boost. When the alky runs out, the failsafe will drop your boost to a lower boost pressure. At this "lower pressure", you want to modify the fuel to run richer and the ignition timing retarded.

This is almost the same as dumping more fuel into the engine for cooling purposes and retaing the timing due to reduction in octane drop. By creating this safe map at a lower pressure, you save your engine from damaging from excess heat and knock.
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Old 12-20-2006, 06:10 PM   #17
Aquamist
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I am not familiar with AP and street tuner, your input is most valuable in this thread, could you help by explaining how this alky/no alky map can be created.

thebigshow have no experience on tuning (he stated) so if anyone can offer a safe MAP for him to get the failsafe up an ruinning it will be great. Perhaps a afr of 10:1 and timing anout 12-15deg before TDC??? at boost below wastegate.


Quote:
Originally Posted by PolarisSnT View Post
First off switch real time maps is not a big deal. It takes about 15 seconds and even if something goes wrong, the ECU is fine. Ive accidentally unplugged the cable while switching Real Time maps and the car is fine.

It is the Base Maps that can cause damage if the battery dies or the cable becomes un plugged.

I have 2 maps. One for pump and one for alcohol. Both are real time maps that I can switch real fast so dont worry about it so much. My base map is a clone of the pump map that, in case I dont have my AP with me and I run out of alcohol, I can just disconnect my battery and Ill be on my pump map.
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Old 12-20-2006, 08:03 PM   #18
dibblejr
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Your tuner can create an alky and no-alky map with whatever grade of fuel you are using.
However, you have to pay for the tunes. The cheapest way if you dont have all the money at once is just get the alky map and when you run out just stay out of you alky map limits. In other words drive normal.
Or you can run a non alky map to start set the alky up and run it that way until you save $ for the alky tune.
With AP you can have up to 10 realtime maps to switch in and out for different fuel ect.
I run the AP but special stage 4 maps, I would be more than glad to answer questions you may have.
Jay-R

Quote:
Originally Posted by Aquamist View Post
I am not familiar with AP and street tuner, your input is most valuable in this thread, could you help by explaining how this alky/no alky map can be created.

thebigshow have no experience on tuning (he stated) so if anyone can offer a safe MAP for him to get the failsafe up an ruinning it will be great. Perhaps a afr of 10:1 and timing anout 12-15deg before TDC??? at boost below wastegate.
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Old 12-20-2006, 08:05 PM   #19
dibblejr
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Dude,
It is simple and as long as you follow the instructions very safe.

Jay-R

Quote:
Originally Posted by thebigshow View Post
i'm not switchin realtime maps; i don't trust it.
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Old 12-20-2006, 08:07 PM   #20
Aquamist
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Is it possible to do a "cut and paste" on lower boost portion of the pump fuel map and transfer it to Alky-map?
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Old 12-21-2006, 04:05 AM   #21
PolarisSnT
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Quote:
Originally Posted by Aquamist View Post
I am not familiar with AP and street tuner, your input is most valuable in this thread, could you help by explaining how this alky/no alky map can be created.

thebigshow have no experience on tuning (he stated) so if anyone can offer a safe MAP for him to get the failsafe up an ruinning it will be great. Perhaps a afr of 10:1 and timing anout 12-15deg before TDC??? at boost below wastegate.
Basicaly my tuner tuned the car off the alcohol first. Once that was running well he saved it as a Real Time map and my base map. He then took that same map and turned on the alcohol. Made adjustments to the map and saved it as my alcohol map.

As for the OP. Nothing can go wrong by switching Real Time maps. If you are worried about losing the ECU than an AP is not for you. If you get tuned, they have to flash a base map so theres not way around it, but for daily use switching from RT map to RT map can not, repeat, can not cause damage.

What dont you trust?
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Old 12-21-2006, 10:39 PM   #22
thebigshow
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there's no way of checkin what realtime map is runnin.
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Old 12-22-2006, 03:04 AM   #23
PolarisSnT
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So? Select the correct map and you are done. Send it twice if you are worried. As with any system you would need a laptop and logging software to be sure but Ive never had a problem, in 2+ years of owning my AP with switching maps.
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Old 12-22-2006, 07:33 AM   #24
thebigshow
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i'd rather not worry about it, and i would worry about it.
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