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Microtech BDC's Base Maps Threads

Old 10-07-08, 11:14 AM
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BDC's Base Maps Threads

Howdy folks, I'm getting to where I'm getting some data on some Microtech setups and I don't have a place to really put them. The data and numbers I'm posting here aren't indicative of the entireity of each map but moreso changes made around default. I hope that whatever I post can help out any folks getting their cars running. As with all base maps, these are intended to get a car running and not meant to replace the hours of tuning required to really dial a car in to A+ shape (so that means don't plug all these numbers in and expect to go beat the hell out of the car!)

B
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Old 10-07-08, 11:49 AM
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FC3S S5 550/1680 Stock FPR Walbro FP Stock Turbo

FC3S
S5 CR 9:1
550/1680 Injectors
Stock FPR
Walbro Fuel Pump
Stock S5 Turbo w/ 60-1HIFI compressor (hybrid)

This is from a car I spent several hours tuning this past weekend. These figures are not hypothetically derived but are from an actual car. The ignition advance modifications are the end result of datalogging. Target AFR's at 10-13psi of boost are mid 11's:1. Cruising around town in vacuum target AFR's are mid 12's:1 to mid 13's:1. Idle target is low-mid 12's:1.

Water Temp Correction
5 0 0 4 7 13 21 30 38 46 54 58 60 62 62 63 (this curve may be a bit on the rich side while cold; may need slight adjustment)

Air Temp Correction
0x9 2 4 5 6 8 9 11 (0x9 meaning there's 9 successive settings of "0")

T_Gap (Trail Split according to RPM)
0 0 0 0 6 11x (going for zero split in vacuum and ramping up to 11* split assuming no more than 1bar of boost on pump gas)

T_Rpm (Leading Advance according to RPM)
13 16 19 22 25 28 28x (28x meaning the first of and all settings thereafter are 28)

T_Map (Leading Advance correction according to MAP sensor input)
8 8 7 6 5 3 0 -2 -4 -6 -9 -11 -15 -17 -20 -22

Screen 30 Settings:
- Dwell 4.68ms
- static 0* (modify this setting when wanting to zero CAS timing and reset back to 0)
- RevStg 2000
- MapStg 02""
- Stage 99%

Matrix Fuel Maps:
IDLE 48 81 119 157 205 262 290 495x
1000 48 81 119 157 205 248 281 262 305 338 371 400 476 510 538 576
1500 43 76 114 152 200 243 276 267 305 338 371 400 462 495 524 557
2000 43 76 114 152 200 243 276 267 300 333 367 395 457 490 524 557
2500 43 76 114 152 200 248 276 281 314 348 386 414 476 510 543 576
3000 43 76 114 152 200 252 281 290 324 357 395 424 486 519 552 586
3500 48 81 119 157 205 257 286 300 333 367 405 433 495 529 562 595
LOAD 48 81 119 157 205 257 286 314 348 376 414 443 505 538 571 605
4500 48 81 119 157 205 267 295 324 357 390 424 452 514 548 581 614
5000 52 86 124 162 210 271 300 333 367 400 433 462 524 557 590 624
5500 52 86 124 162 210 271 300 343 376 410 443 471 533 567 600 633
6000 52 90 129 167 214 276 314 352 386 419 452 481 543 576 610 643
6500 52 90 129 167 214 276 314 362 395 429 461 490 552 586 619 652
7000 48 86 124 162 210 271 310 362 395 429 462 490 552 586 619 652
8000 48 86 124 162 210 271 310 357 390 424 457 486 548 581 614 648
9000 43 81 119 157 205 267 305 352 386 419 452 481 543 576 610 643
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Old 10-07-08, 01:41 PM
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Good stuff!
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Old 10-07-08, 06:04 PM
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is that on stock ports?
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Old 10-07-08, 06:17 PM
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Yes its Stock ports, its my car.
i have found that the transition from the primary to the secondary injectors to be a little rough, due to the size difference in the injectors. if you use a 800 primary it will be smoother from what rx72c said.

Last edited by mort2002; 10-07-08 at 06:21 PM.
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Old 10-08-08, 01:33 PM
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Originally Posted by mort2002 View Post
Yes its Stock ports, its my car.
i have found that the transition from the primary to the secondary injectors to be a little rough, due to the size difference in the injectors. if you use a 800 primary it will be smoother from what rx72c said.
Unless there's something else I'm not familiar with in the system, I can't figure out a decent way to get rid of the still not-so-smooth bump. I run into it on the older Haltechs w/ the 1600 secondaries too. There doesn't appear to be any intelligent staging stuff on the Microtech concerning the actual transition like Primary Hold on the new Haltechs. If there's something someone else could shed, I'd like to hear it.

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Old 10-08-08, 01:56 PM
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you know what the solution is, i should have went with haltech....lolz

oh wells.
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Old 10-08-08, 05:10 PM
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Originally Posted by BDC View Post
Unless there's something else I'm not familiar with in the system, I can't figure out a decent way to get rid of the still not-so-smooth bump. I run into it on the older Haltechs w/ the 1600 secondaries too. There doesn't appear to be any intelligent staging stuff on the Microtech concerning the actual transition like Primary Hold on the new Haltechs. If there's something someone else could shed, I'd like to hear it.

B


Ive tried with 550cc and 1600cc and could never win. I tried nearly everything i know.


With 800cc injectors i get it perfect everytime.

thats with a 2.5 bar and a 3 bar map sensor.

With a 4bar. unless you have 4 of the same injectors you will never have smooth staging.i hate my car for this reason. and have thought hard about it alot to move over to haltech for this reason alone.
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Old 10-08-08, 05:36 PM
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if i had not just spend over 800 on the microtech and over 800 in tuning, i prolly would jump over to haltech.
but money doenst allow me to.
my buddy has the e11v2 and his staging is perfect on his haltch thanks to BDC..
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Old 10-09-08, 03:41 AM
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who the **** charged you 800 for the tune?
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Old 10-09-08, 07:28 AM
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no i had 2 separate tunes, the first one was steve kan, and when bdc looked at it, it was all jacked up, so he redid it. so im into it 2 tunes.
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Old 10-23-08, 09:59 AM
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hey mort how is the car driving? and whats the power feel like? it seems like bdc is the man for tuning rotaries. good job bdc.
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Old 10-23-08, 12:32 PM
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it runs really well, the only problem like stated above is under light throttle, there is a hiccup when the secondaries come on. othere than that is great. and yes. BDC is the man to tune rotaries... if my car gets tuned again, BDC will be gettin a call.
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Old 10-23-08, 03:39 PM
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I wish I knew of a better, practical way of getting around that. I think it's the faux pas that's a result of using such a large secondary injector along with the system "hard-staging" them. Anybody here that's more familiar with Microtech intricacies have any insight on staging large secondaries?

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Old 10-23-08, 04:07 PM
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like i said.

Put 800cc injectors in it.
And have it retuned. Problem will be gone.
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Old 10-23-08, 04:20 PM
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No offense but that's self-explanatory. Basically then my assumption about how the MT handles staging is correct. This is one of those 'you'll have to live with it' things when using that large secondary injector much like on the older Haltechs.

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Old 10-27-08, 01:58 PM
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would bringing in the secondarys earlier or later make the transition smoother? i would think with 5500/1600 earlier would be better, but would hurt gas mileage.. like bring them in at 1500 or something?

any thoughts?

Last edited by butcheryboy; 10-27-08 at 02:00 PM.
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Old 10-28-08, 05:58 PM
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BDC, my roomate is an EE major at UTD, he is currently designing a rev limiter and 2 step box for my FB, If its a software thing, I can usually bring it out, if its a hardware thing, thats right up my roomates ally. Bring the car and lappy, we will do lunch and a lap around the tollway

Last edited by buldozr; 10-28-08 at 06:01 PM.
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Old 10-28-08, 07:51 PM
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I'd love to take you up on that to talk some geek but unfortunately the car is in WA about 2hrs east of Seattle. May be a bit of a drive.

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Old 10-29-08, 02:15 AM
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Originally Posted by BDC View Post
No offense but that's self-explanatory. Basically then my assumption about how the MT handles staging is correct. This is one of those 'you'll have to live with it' things when using that large secondary injector much like on the older Haltechs.

B


As much as i have tried. I have never been able to consistently get 550/1700cc to stage well, smoothly.

And even with 800cc injectors it is sensitive to whether they are high impedence or low impedence.


Microtech isnt a very good ecu. Good drag ecu and thats about it.
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Old 10-29-08, 07:43 AM
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Just a quick question that I've always been curious about, how much would a stock vs. stock, s4 vs s5 map differ? slightly more aggressive timing under boost with the s4? Any difference in split due to the plug holes being further gapped apart?
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Old 10-29-08, 10:31 AM
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I would think to ease the transition, lower the baseline fuel pressure and raise the 550cc's rates in the map. Plan B. would to crack open the ecu and find the secondary circuit, probably as simple as replacing a capacitor with something slightly larger.

Damn thats a long drive. I drove that route a few years back actually around this time right now. I had helped my aunt and uncle move from Friday Harbor island all the way back to Texas. I remember we got caught in a blizzard, it was miserable. You living here with the hotrod up there???

Last edited by buldozr; 10-29-08 at 10:58 AM.
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Old 10-29-08, 02:42 PM
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he's already got the 550's maxed out before transition (stage = 99%) however lowering the fuel psi slightly may help...
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Old 10-29-08, 05:34 PM
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I thought of something else too, I was cruising egay today and noticed someone selling a lm10... he had posted that it was designed for 'four HIGH impedence injectors'... and '4amp max load on per injector driver'... that isnt true is it???
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Old 10-29-08, 06:31 PM
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^ EDIT: I didnt realize the microtechs were 16x16's!!! ahh, I feel like a tard, ok, well, I think I found the harsh transition when the 1600's come on line... need new software.
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