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Messages - millerperformance

Pages: 1 ... 4 5 [6] 7 8 ... 13
76
Naturally Aspirated Tuning / Re: Help me fix my AFR
« on: February 05, 2014, 01:28:06 PM »
Something is definitely up with that. What happens when you force it to stay VANOS on or off? The scaling of the dyno plot is zoomed in soooo far. how much of a torque drop is that? Torque will usually follow the AFR curve, but we need to know if there is something else going on. We have never seen this on an NA tune when we dyno.

77
Naturally Aspirated Tuning / Re: WOT IGNITION TIMING
« on: February 05, 2014, 12:49:32 PM »
Timing is displayed in real world values. If timing is 22° and you type 23, you now have 23° There is math involved in displaying timing in a real world value. Because of that, and how the timing sequence is measured/monitored by the ECU sometimes you can't hit an exact number.

Example, on the M3.3.1 ECU (413/506) Timing is adjustable every 0.75° so if you are sitting at 22.50 and type 23, it will bump up to 23.25° Or if you hit the purple control buttons in the top right of the software, it will advance said cell by 0.75°

As far as fuel goes, we don't display it in a real world number. It is displayed as the raw unfiltered number. One of the reasons is there are a few different ways you can display it in a real world number, but for 99% of people, that will only lead to MORE confusion believe it or not. The 10 values per 1 full Air Fuel ratio is something for fuel only. It skews a little bit when you start playing with injector sizes etc, BUT generally, each bump in the fuel numbers is equal to 0.1 air fuel.

78
Turbo Tuning / Re: Turbo tuning
« on: February 05, 2014, 12:26:03 PM »
Just to clear up, it isn't a matter of not going over x rpm, but simply drive the car in part throttle. If all is well do a few third gear pulls to see what AFR is doing. When you do these 3rd gear pulls initially, simply do each pull to a higher rpm each time while watching Air fuel. This is how it is done on the dyno when we develop or custom tune a car.

If it checks out to 3K rpm, next pull got to 4K, if that is good, go to 5K etc. That way if you hit a super rich spot or a leaner spot, you don't go through it and you can massage the changes in the software.

79
General Discussion / Re: will 079ecu tunes work on the 055 ecu?
« on: February 05, 2014, 12:19:58 PM »
Hi,

The tunes might work, but I would not advise running them unless you truly want to experiment and accept any consequences that may come about from doing so.

The S38 engine is a total DOG compared to the M88. We are lacking on M88 tunes simply because of demand and number of cars here. What do you need help with? We can help you with the tune.

80
General Discussion / Re: Will the War chip work on a euro spec M3 E30??
« on: February 05, 2014, 12:17:55 PM »
What are the two ECU numbers?

81
General Discussion / Re: Looking For 173 ECU Tune
« on: February 05, 2014, 12:17:25 PM »
Hi there,

How much fuel and what tune did you start with? The cam would need some slight tweaks of fuel, so curious what you call a lot.

Do you have an Air Fuel Ratio gauge? We can help you tune it if we have bare bones, RPM and Air fuel ratio reports from you. What do you have done on the exhaust?

82
General Discussion / Re: 413 s52 tune without a modified maf?
« on: February 05, 2014, 12:15:16 PM »
Hi Guys,

Truth be told, you can easily get away with the s50 performance tune pretty easily as a starting point. What size injectors do you guys have? I will see if I have anything else I can post, but let me know what size injectors you have.

Most people slap the 3.5" MAF on the S52 while they are going through the trouble of swapping it into an OBDI car.

83
WAR Software Support / Re: Not writting on WAR chip
« on: December 12, 2013, 08:17:56 PM »
Just to clarify what happened for other readers, there were multiple files and file types "saved" on the WAR Chip as if it was being used as a memory stick. That caused problems with the writing process since the WAR program looks at the chip before writing and was confused by the files loaded on the chip.

Once the WAR Chip was formatted the program was able to write to the chip and everything was back to normal.

84
Naturally Aspirated Tuning / Re: Surging Idle after motor swap
« on: December 12, 2013, 06:54:17 PM »
Did you get that new maf in there?

85
Naturally Aspirated Tuning / Re: which tune to use, M50 or M52?
« on: December 12, 2013, 06:52:10 PM »
Upgrading to the 3.5" MAF is only necessary if you are maxing out the stock (or close to it) MAF. Changing the MAF size does nothing for power unless A) You are at the upper limits of the stock MAF B) the 3" intake is proving to be a choking point.

Many people upgrade to the 3.5" MAF just because. Others think it gives the more power. We provide tunes because we don't want to argue with the people who think it gives more power and the fact that it is extremely popular to do "just because."

My car is making almost 300 WHP N/A - 11.5:1 compression big cam S50. I am using the 3.5" MAF because the stock MAF couldn't handle it as well as the 3" intake was posing as a restriction point.

86
Naturally Aspirated Tuning / Re: Choosing base tune 2.5 m20
« on: December 12, 2013, 06:47:39 PM »
Upgrading to 19# injectors will definitely benefit you. The 14's MAY cope with it, but you'd be safer and better off to use 19's.

The most important part about a tune is the air flow table being calibrated for the MAF/AFM that you are using along with matching the calibration for the injectors being used with given AFM or MAF. The 19# HFE headers tune would be the tune we would start with on your car if you brought it to us for an in person custom tune. Being calibrated for the PSIK and 19# injectors is about 90% of the puzzle. The cam will make a bit of difference that is easily tuned out if tuning becomes needed.

87
Things have definitely been quiet on the email front lately but I didn't think anything of it since there would be surges of emails here and there.

You need to move on in terms of your software version. There are no more access keys. Please see this link to get started. It is also linked in the FAQ for the WAR Software in this forum along with other details about the latest software etc.

www.millerperformancecars.com/customer99/wiz/

please try contacting us through our contact page and respond here with the exact time and date you submitted it. I know we have been having problems with .AU, Bigpond and a few other aussie email providers the last few months.

88
Turbo Tuning / Re: what is left of my issues
« on: December 03, 2013, 11:33:56 AM »
Sorry, for the delays.

Do you mean off WOT to P/T? There are a few areas and depending on how you are coming off, it could be at said RPM in the very low load part throttle fuel. You could even adjust the fuel in the extreme high load areas of P/T.

Your TPS code. Is there anything happening driveability wise when the code is present? Does having the ICV unplugged prevent the code from appearing?

The 2nd issue you have is strange. I will have to ask Dan what that could be caused by.

89
Projects / Re: 95 e34 M52 obdi s52 cams
« on: November 17, 2013, 10:48:41 AM »
with the 255 you will need to remove some fuel. It will drive up the base pressure slightly and all the NA tunes are made for the stock fuel pump unless otherwise stated. Just a heads up since most people don't realize upgraded fuel pumps do in fact change the tune.

90
Projects / Re: 1991 318is s38b36 engine tune and upgrade options
« on: November 17, 2013, 10:46:35 AM »
Welcome. Water/meth won't do anything for an NA car. What ECU is in the car? the 350 ECU?

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