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shadoxity

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  1. Rev D map is different to Rev a,b,c? all the B4 models have the same map, with some slightly different timing and boost values and a couple other differences.
  2. Std map in the B4 uses the EGCSV to control primary boost after 1800rpm and over 1 load or something around that (off memory without opening the map up). Modifying the map so it keeps it closed till 3200rpm, you get much better response from the primary! MUCH better and transition is pretty smooth.
  3. Thats interesting. I shall have to have a play with this, could work to my advantage. I have retuned mine so that the secondary stays closed in the lower revs which give a huge amount more response during low revs (2000-3300rpm) and then starts spooling the secondary using this valve after a certain rpm and load limit Which makes the car 100x better to drive than the factory tune... But this could allow me to get some more flow before i grind out the up pipe!
  4. Ahh right, i had the models wrong! [quote name='Marky said: In not going to argue it. Some people feel a difference, I know I definately did. Some don\'t, some think its a bad idea, if so then don\'t worry about it. There\'s a thread about 15 pages long on the uk legacy forums where most are reporting a seat-of-the-pants difference on primary turbo and as far as I know no ill effects, there was one on here 2 or 3 years ago as well. I\'ve heard of plenty of mechanics who will do this as a "tune up" along with adjusting the ecv valve. If anyone can point out to me a good reason for keeping a bleed from the bov hose then I am all ears 100% and will happily accept why it could be wanted - but for the life of me I can\'t think of anything it does other than dull response and limit boost? This could be a genuine deliberate measure from factory - f\'ed if I know. Same as how some factory bov\'s have a fail safe of sorts in leaking at low(ish) pressures if electronic measures fail I guess. The bad idle nick reported on this thread (I think) has since been shown to be a dud afm as well. On a side note how did you reflash a rev c ecu? I agree with you, It seems like a very weird hose to have, especially with restrictor pills in the line... It would be nice to know why!
  5. I dont think so. MY02, that would be rev c i believe. Mine most definately had the T piece off it. (and the restrictor pill in the line) I took it off and modified it, but didnt seem to really make any difference ?
  6. It doesnt sound right doing this mod... I dont think it will have much of an effect on my car. I have reflashed my ECU so that the primary turbo boost is regulated by the primary wastegate, unlike factory where it uses the secondary uppipe exhaust gas control solenoid valve. This resulted in much greater response on the primary and much better driveabililty. Im going to check out what this boost line actually does today.
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