last attempt before silence noon hours turned out that it still does the same with idle around 1500rpm and shooting off, but at least now when the throttle valve opens,it runs ok.
still not idling though
still not idling though
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ive heard there are different 7a flywheels. not sure if its heresay.Comment
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I indeed run the 7A FW that was lightened by Aelred and it works 'out of the box' with VEMS. THe only thing Jyrki and I replaced was the hall sensor, away from the camwheel to be using a dizzy on the intake cam. Maybe it has something to do with that.....Comment
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There is truth to this. I've seen 2 different varieties of reference pins on "7a" flywheels.
I've been talking to Vasilis on the phone, generally the fix for the 7a flywheels (which have very small reference pins) is to rotate the sensors like this:
I have not heard about the pins being non-metalic. That wouldn't make much sense to me since the factory car would never run properly if that were the case.
All else fails, an easy solution is to remove the starter and either weld material to the existing pin, remove the existing pin and install a larger one, or drive a second pin adjacent to the first into the flywheel (so the two pins are touching - the ecu will see it as a single pulse). All this can be done through the starter hole, BTDT.Marc Swanson
Proprietor, EFI Express
95.5 //S6 Avant
90' Coupe Quattro V8 4.2L twin turbo
93' //S4
83' UrQ
97' F250 7.3 diesel
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we welded a new larger mettalic block today, car wont start now,but also does not have any spark...Comment
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update... sensors were put in differently, car fired and idles.
lesson learned, whoever uses 7A flywheel, put in a log metallic just in case...Comment
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could it be the gap. Some sensor need 2mm. What gap do u have?Comment
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so you mount the sensor different?Comment
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no, we welded a metal pin bigger. gap should be 0.5 to 1.25mm spec from audi.
it now worksComment
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how big is the new pin?
I have 7a flywheel and motronic has never had problems so it should be ok when i switch to vems i guess?Volcano ABY coupe
AntComment
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edit: seems to be solvedEverything less than 2 bar is considered to be naturally aspiratedComment
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i dont have good internet access.i will post a photo in the following days.
so far the holset is boosting mechanically onl before 4000rpm.
completed a quick tuning session and more to go...Comment
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well done and problem solved
congratulations
always learning about
RED Mitsubishi Lancer Evolution VI TME nº 16 of 250
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LWB Audi Sport Quattro projectComment
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