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My First Dyno Results!

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Old May 17, 2002 | 11:01 AM
  #26  
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BTW: Here is my relatively current (very safe for me) map. A bit more fuel than I had on the dyno since I figure I'd be making more power - needing more fuel once off the dyno and the intercooler was functional ie on the street with breeze.

http://flathat.woodstream.net/RX7/Maps/051202-map.dat

K
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Old May 17, 2002 | 12:52 PM
  #27  
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Kyle,

Your map is strange, must be a formatting error as all I see are 0.5s on the injector map.
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Old May 17, 2002 | 12:58 PM
  #28  
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Same here, Kyle.
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Old May 17, 2002 | 01:02 PM
  #29  
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ya, I see that now after I downloaded it and saved it as a different filename. Lemme try to upload it again.

I thought it looked like a text file so I uploaded it via ftp without using binary the first time. I sent it again with binary this time and it seems to work now, here is the new link:

http://flathat.woodstream.net/RX7/Maps/051202-map-2.dat

sorry bout that I should have tested it the first time!

badog: has your car been tuned by a tuner? if so, can you post a copy of your map up somewhere I can get it?

k

Last edited by nocab72; May 17, 2002 at 01:05 PM.
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Old May 17, 2002 | 01:53 PM
  #30  
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Same here, Kyle.
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Old May 17, 2002 | 02:19 PM
  #31  
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What program do I use to view this .dat file? all I see is a mix of numbers everywhere with notepad and excel.
Thanks
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Old May 17, 2002 | 03:34 PM
  #32  
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Chron - You need the FC-Edit software which comes with the Datalogit.

k

Last edited by nocab72; May 17, 2002 at 03:42 PM.
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Old May 17, 2002 | 04:35 PM
  #33  
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The new one is fine now. BTW the map on mine (that was supposed to be modifed by a west coast supplier) was the exact same in ING and IGN and PIM to the default mappings. There were a couple of settings that delta'd, but nothing major.
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Old May 17, 2002 | 05:59 PM
  #34  
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Nocab, you should download my maps off the Datalogit group and try those. At least compare timing of my original SR timing to your map and see where to make changes. I have a friend who, after switching to 1300cc injectors and my maps, lowered his lap times (on a roadcourse, Putnam I believe) by over three seconds. And it's still running rich (as is my car).

I have virtually the same mods and I'm making 340 at the rear wheels, uncorrected, when the ambient air temp was 92 degrees F. I'll be making more runs soon to lean everything out a bit and I've since started using a set of XS's timing maps (I uploaded that map as well). I run about the same boost, .9kg/cm2. I don't think the XS timing maps made any real difference, IMHO. I'm still well into the 10's throughout much of the rev range, and leaning it out to 11.5-11.2(redline), I "believe" I should be able to hit somewhere around 350hp. Stock engine/turbos.
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Old May 17, 2002 | 07:57 PM
  #35  
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Hey Michel,

Can you give us a brief insight into what the 3 maps in the datalogit group were for you?

michelpfc.dat =
I'm fully modded, sequential, stock engine, 1300cc secondaries, SAVC-R doing the boost control, not the Power FC. So if you're using the PFC for boost control, you'll have to go into the boost settings and adjust per your taste.

Looks like some block changes in ignition (L & T...-3 to -5from the base map) from (P11, N7) to (P20, N20).

MichelXStiming.dat =
Full mods, intake, big smic, downpipe, resonated midpipe, cat-back, ignition (HKS TP), 1300cc secondaries, 550primaries.

I've cleaned up the Inj map a bit which was overly rich at boost levels below .8kg/cm2. They still are bu the're a bit better now. Also, I've incorporated the timing tables from the Original xs map to decrease the amount of split I was running. The trailing side only was modified and the IGL map was left untouched. I have tested this map a bit on the street and I am not receiving significant readings on my knock sensor output. Usually 21 is the highest reading I get and that's on deceleration, throttle closed. Contact me at rx7tt95 if you have further questions and don't forget to mention which map you're commenting on as I've posted several. I'll try and dyno tune the current map as soon as possible and log the a/f ratios using a wideband 02.
PLEASE DON'T FORGET THAT THE PFC IS NOT CONTROLLING BOOST. I'M USING AN AVC-R FOR THAT. AS A RESULT, THE BOOST SETTING IS AT 1.35 TO AVOID FUEL CUT!



Took some fuel out, no change to IGL but to IGT? Did you dyno both maps? How they work for you? Which one you using now?
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Old May 19, 2002 | 10:19 AM
  #36  
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No changes to timing. Those maps are designed for 91 octane pump and are safe up to 15psi. The fuel side is still rich and I hope to hit the dyno within a month to lean it out a bit more. Aiming for 11.2-11.4 across the board. Then I go with a big single :-) Oh, I did not dyno with the XS timing maps. Honestly, there wasn't too much of a radical change between the two. The SR timing maps were very very conservative and XS's are as well. Personally, I'd rather be down 10hp and be safe. The "ragged edge" stuff is for those with lots of money and time to swap engines. Also, I figure the guys at SR and XS know a bit more than I do about timing. I'm still "researching" and won't change the IGL/T until I truly understand the effects that timing changes can have on my power curve. I am using my fuel maps in combination with the XS timing maps which run much less split than the SR timing maps. I have yet to dyno with the new timing maps but the butt-meter says there wasn't any change in power. I've also managed to run just as fast/quick at the strip consistently with the new timing as with the old.
Michel
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Old May 19, 2002 | 12:21 PM
  #37  
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Nice numbers,

Nice car!
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Old May 19, 2002 | 03:42 PM
  #38  
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Guys,

I installed the HKS Twin Power and now my idle is rich. I ended up going to cell P5 an N5 and reducing the fuel by 15%. Prior to leaning it out, I can tell that it's misfiring at idle. Mid and Top end seem to be fine. WTH?

The car goes back to its normally lean idle self when I reverted it back to stock.

Does this means that something is wrong with my HKS unit?
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Old May 19, 2002 | 04:55 PM
  #39  
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Are you sure it's a "rich" miss at idle? Usually, it's because the mixture is a bit lean. You'll need to check with a wideband. The HKS, unless it's not working properly, is not going to cause your car to run rich. I started to get the carbon buildup on the paint above the tailpipe (bumper). Idle was perfectly smooth. Leaned it out a bit and I have a slight miss. Maybe I should try plugging the stock system back in and running a test. Good excuse to hit the dyno.

Oh and if I didn't make it clear in my previous post, the 340rwhp was dyno proven. I made a run putting 330 at the rear wheels, drove it for two weeks, and hit the dyno again after I had leaned it out a bit. The results were a 10hp jump. If I remember correctly, the a/f ratio from 7K up was 10.9 or 11.0. I'll have to pull the files.
Michel
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