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A4 (B7 Platform) Discussion Discussion forum for the B7 Audi A4 produced from 2005-2008.5

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Old 10-05-2006, 02:40 AM   #1
LAS
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Default REVO recommend settings for boost and timing?

Location: Hawaii, year round tropical weather.
Highest pump octane: 92

This is for REVO stage II with testpipe. Now local REVO dealer says timing-3, boost-6, fueling-9(guessing). Would this be the suitable/optimal setting for 92? He also stated that I can go to boost-9 if I wanted. Any issues going that high, is it safe to run?

Did some searching and here's what i found...

According to crew219: http://forums.audiworld.com/a4b7/msgs/52542.phtml

91 octane
Timing: 3
Boost: 5
Fueling: 9

93 octane
Timing: 5
Boost: 7
Fueling: 9


According to Tomasz: http://forums.audiworld.com/a4b7/msgs/52526.phtml

93 octane
Timing: 6
Boost: 5
Fueling: 9

Any feedback is appreciated.
-Lawrence
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Old 10-05-2006, 06:32 AM   #2
bhvrdr
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Default Doesnt matter a whole lot. The changes are extremely minimal on the SPS...

extremely. But keep in mind the reason there is so much debate on what are the "proper" settings is because it will vary from car to car, climate to climate, etc. There really is no "standard" for what is right. Just general starting points. The changes are so small that you are basically just fine tuning tiny little variations that may even log out differently a month later. I'd just log block 20, 34, 31, 115 and see how it looks on your car. Otherwise it really wont matter if you are a bit off.
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Current vehicle:
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Over 323whp and 312tq on pump 93
13.20 at 103mph on pump 93

Past Project Vehicles:
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2003 Audi A4 1.8t with MTM Stage 3
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Old 10-05-2006, 07:40 AM   #3
Tomasz@Startup
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Default Not true, changes are significant, 50 to 100 mbar for every boost step. RPM dependent.

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Old 10-05-2006, 07:50 AM   #4
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Default You should get a VAG-COM... and log and log.

bhvrdr has a good write up on that

If you do not have VAG-COM, run boost at 5, timing at 4 (91 Octane is 3 by default, 93 Octane is 5 by default, so 4 should be safe on 92).

I run boost at 4, and timing at 7 now (on 92 Octane). I am sacrificing low end grunt for a more linear feel. These settings work for me and my car, but are NOT recommended if you do not have a VAG-COM to check.

I found that on 94 Octane I could run timing at 9 and still keep CFs in single digits (but it is cooler in Seattle)

I also found that at boost settings above 6, requested boost would be consistently higher than actual boost. I assume that the turbo was being asked to make more boost that it could...

SPS is great is you have a VAG-COM to log results, otherwise - stay within factory settings or lower. Play with boost at 5 and 6 - see which ones "feels" better. Do not go over 6 on boost or 5 on timing without logging.
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Old 10-05-2006, 08:02 AM   #5
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Default 100mbar is about 1.5 psi and the SPS does NOT change 15psi across it's setting, it changes about 2ps

It changes about 2-3.5 psi from all it's range so moving it from a 7 to 9 is insignificant. If it changed 50mbar for each setting that would be 10psi it could move from 0-10 which it does not. Similarly each timing increment is NOT a degree of timing. The settings really are much smaller than people post or think. If you logged on the same eact settings for example during two seperate sessions you might think you made a change by looking at the logs but they were just statisitical variance.
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A4 S4 and RS4 Official Timeslip Databases

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Click for S4 at Play VIDEO!!!
________________________________________

Current vehicle:
2004 Audi S4, APR, Milltek, Bilstein, AP Racing.
Over 323whp and 312tq on pump 93
13.20 at 103mph on pump 93

Past Project Vehicles:
2006 Audi A4 2.0t FSI with APR K04 Turbo
2003 Audi A4 1.8t with MTM Stage 3
2000 Audi A4 1.8t with MTM Stage 2

"There are only three sports: bullfighting, mountain climbing, and auto-racing. Everything else is just a game" -Ernest Hemingway
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Old 10-05-2006, 09:03 AM   #6
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Default The Dr. - FTW......

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Old 10-05-2006, 11:22 AM   #7
GodBlessQuattro
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Default lol ...you're somthing else man...

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Old 10-05-2006, 09:00 PM   #8
Tomasz@Startup
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Default I do not know about timing, but boost changes are significant.

I will log some more this weekend. It could be that Stage II software allows for more boost adjustement. I am sure though that setting max boost means that in higher RPM you will be asking for more than the KO3 is capable of making. Unless, unless, I have a leak.
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Old 10-06-2006, 03:58 AM   #9
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Default The 7/5/9 settings that I mentioned were in an email from REVO to another Vortex member

I found that SPS has 93 programmed at Boost 6, Timing 5, Fuel 9.

My original installer had me set at the 7/5/9, but I have backed it down to 6/5/9

I would run those.

Dave
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Old 10-06-2006, 05:29 AM   #10
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Default Yeah, it'll reqeust around 12psi or so at redline and the turbo can only do around 9 to 11...

depending on conditions. I was only meaning to point out the difference between say...boost 6 and boost 8 is very very small. It's not a 4.5psi difference. It would be pretty cool to do it up like you do and show logs during the same ambient conditions between different setting holdin the others contstant, such as changing only boost then only timing and logging the changes.
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________________________________________
A4 S4 and RS4 Official Timeslip Databases

MJB Motorsport

Click for S4 at Play VIDEO!!!
________________________________________

Current vehicle:
2004 Audi S4, APR, Milltek, Bilstein, AP Racing.
Over 323whp and 312tq on pump 93
13.20 at 103mph on pump 93

Past Project Vehicles:
2006 Audi A4 2.0t FSI with APR K04 Turbo
2003 Audi A4 1.8t with MTM Stage 3
2000 Audi A4 1.8t with MTM Stage 2

"There are only three sports: bullfighting, mountain climbing, and auto-racing. Everything else is just a game" -Ernest Hemingway
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Old 10-06-2006, 05:29 AM
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18, 18t, 20t, 91, 92, 93, audi, boost, high, low, octane, revo, s4, settings, sps, stage, timing, turbo



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