High AFR's WOT.
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I also had problem like you are having right now. Even do they sent me a tune and I tuned it even more.... It would NEVER ever transition from PT to WOT fast It had to be stupid rich to be drivable at WOT!! I say 8-10PSI max on the stock DME and MAF/Miller setup!!
Solution.... Megasquirt! MAP instead of MAF is the key....oh and lets not forget DATALOGGING!! very very important.
Could not be happier seriously... I dont know why I did not listen to the folks in here.. I should of went MS from the start.
Very affordable (get Keith "WHODWHO" to build you one) and easy to install, support is amazing.Denny
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1990 BMW red 325IC M30B35 all stock Girlfriends ride
1991 BMW black 318IC (M62b44 Megasquirt 2 ver 3.57)
Blogs:
http://bmw325e30.blogspot.com/ (restoration)
http://bmw325e30turbo.blogspot.com (Twincharge M20)
http://bmw325e30m62b44.blogspot.ca/Comment
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NEED megasquirt. My car was either perfect in first lean in every other gear or poo rich in first and "good" not great in other gears. lets not forget the constant CEL and random stalling. Megasquirt fixed everything, Miller told me it was sensors and what not. I believe they said my ICV couldn't keep up because i couldn't raise my idle above 700 with WAR but when I switched to MS everything was perfect and I could do a nice 1500rpm cold idle on first start up and base tune. Whodwho's base tune he gave me ran 100X better than the WAR chip setup.
7speedshop.comComment
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I should of updated this.
Thank Kam, MS is eventually what I'm planning on once I work the head and tidy a few other things.
So the problem kind of went away on its own. I figured out the more consistently I drive hard(high rpm, getting into boost more often), the AFR's correct themselves eventually and gets used to that driving style and stays consistent with good fuel ratios.
The more lazy I drive(always in vacuum, granny shifting), the harder it is for the AFR to adjust itself when I decide to go full-retard out of no where.
My car idles fine on warm-up @ 750 and 14.1-15, always.
Sometimes it takes a little throttle when warm for a few seconds, but it holds itself well after.
I think I need more dyno tweaking after talking with more knowledgable people. Never got the chance to do road tests with Dan after we for off the dyno.
Ill update accordingly :pComment
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