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200whp with stock N/A rotating assy?
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Originally posted by LJ851 View PostInteresting. I will be looking forward to seeing the Alpha-n map quality and driveability of a standalone vs what you were able to achieve with the Motronic 3.x ECU.
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Hi John, that is a bit disappointing, thanks for sharing your efforts, there were a couple people waiting on these results to see if it could be done, but looks a little more complicated that one might think!. like you say the later model ecu's might have a much better chance of coping with the change.
Personally i have never tried to play with any std ecu on any car i have modified, stand alone is always the first thing then the world is your oyster!!!
still left us hanging now with the engine results!!
:)sigpic
I sell ITB's and performance parts www.racehead.com.au
e21 race car m20 power! 293Whp atmo 2.9
details here http://e21jps.webs.com
drive by video http://www.youtube.com/watch?v=kOdPbErYlho
incar race http://www.youtube.com/watch?v=sbr0ZCmjsYM
incar video http://www.youtube.com/watch?v=aQyvDR-B00A
drag racing http://www.youtube.com/watch?v=7XmznH6PND4
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Originally posted by ForcedFirebird View PostThanks to Whodwho. Car is running great, needs more tweaking, but the MS is like playing Xbox compared to the Atari of Motronic 1.3, even without the IAT, MAP, or IAC.
This thing hauls some serious dirt. Can't wait to re-visit the dyno :)
Can't wait for results!
Why aren't you utilizing IAT? All of the Motorcycles i work on that are Alpha-n use IAT even if it is just a sensor near the throttle bodies.
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Originally posted by ForcedFirebird View PostJust leave it dangling, or reading one cyl?
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Originally posted by LJ851 View PostMost are mounted in an airbox but race bikes with open stacks can use one mounted near the mouth of the stacks to generally measure the temp of incoming air. I'm not suggesting you should necessarily do this, just curious of your reasoning. Most MC engines are a lot more compact compared to an inline 6 with butterflies 2 feet away from each other.
Not going to change the method of madness going on, just curious ;)
Who else would try Alpha-N on a an outdated 8-bit software. Not this guy.....OK so I tried hehe.
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i let mine dangle nearby when running socks drove it for months in summer on 100+F days, not ideal but works temporarily89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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good result, was this with the spacers or without?
i expect than M50 junkyard swaps into an E30 will cease from this point forward;)Last edited by digger; 10-30-2014, 05:34 PM.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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With spacers. Wanted to try with them and hood closed, then without hood closed, but already over stayed the welcome on the dyno as it was. First few pulls, it was breaking up over 4500rpm, had to adjust the CPS closer to the wheel. Whodoo was kind enough to answer the phone and gave the tip. Figured it may be failing, but guess the MS is more sensitive than the stock ECU.
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Originally posted by ForcedFirebird View PostWith spacers. Wanted to try with them and hood closed, then without hood closed, but already over stayed the welcome on the dyno as it was. First few pulls, it was breaking up over 4500rpm, had to adjust the CPS closer to the wheel. Whodoo was kind enough to answer the phone and gave the tip. Figured it may be failing, but guess the MS is more sensitive than the stock ECU.
Dyno graph looks nice!
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