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any point in remapping the car with the center cat in place?

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Old 10 February 2005, 09:47 PM
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Neilo
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Default any point in remapping the car with the center cat in place?

assuming the up and downpipes have been removed......can this be done? and is it sensible (probably not)?

Im hoping Mr Rawle will be able to tell me this as hes mapping my car on the 26th (thanks bob), this is a legitimate question, im sure a few people have thought it, im just dumb enough to actually ask

given that people put the center cats back on to pass emmisions test (when warm) was there any point in actually mapping the car with it in place

ta,
Neil
Old 10 February 2005, 09:58 PM
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Yes of course it can be mapped, the cat restricts to a certain degree but you have already moved the most restricitive parts

IMHO i would remove it & find a nice garage to MOT your car

Old 10 February 2005, 10:03 PM
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Neilo
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i already have removed it (at the mo its full decat), its been tek3'd once already but the map is pretty out its not doing the engine any good and i cant boot it at all (without a full bottle of booster in it)....i was just contemplating putting it back in, for the sake of a few horses....and hassle come MOT..

Last edited by Neilo; 10 February 2005 at 10:21 PM.
Old 10 February 2005, 10:10 PM
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WRX_Rich
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Originally Posted by Neilo
i already have removed it (at the mo its full decat), its been tek3'd once already but the map is so out its not even funny....i was just contemplating putting it back in, for the sake of a few horses....and hassle come MOT..

whats wrong with the map
Old 10 February 2005, 10:15 PM
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Neilo
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i get red on the knocklink at 3k, 4k, 5k rpm when running on optimax, even when running a full bottle of NF i still get 2 greens.....its just nasty det spikes really, and far too many of them.....and actually not enough power either :P funny thing is i should come out of this map 30bhp up, similar torque up and no det!

i occasioanlly get jumps up to orange when im idling

fingers crossed......
Old 10 February 2005, 10:16 PM
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Neilo
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oh and given that i get that in zero degrees, im not liking what i may seein 25 degrees if you know what i mean!!
Old 10 February 2005, 10:18 PM
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Just leave it out. When you do the MOT you can easily replace it and get it bck off the same day.

Go on, tell us who did the 1st map

MB

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Old 10 February 2005, 10:22 PM
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stevebt
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leave it in if you want it will only make a small diffence since you are getting the car mapped , im thinking of adding a high flow cat to my centre pipe so its quite similar

just read the whole thread

wont putting the cat pipe back in screw the map up even more
Old 10 February 2005, 10:24 PM
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Neilo
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i would like to hear bobs opinion on this as hes obviously doing the work, i know the center isnt overly restrictive but i suppose sods law will be that if i do do it this way, it wont pass the bloody mot anyway with it in!!!
Old 10 February 2005, 10:25 PM
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Originally Posted by stevebt
leave it in if you want it will only make a small diffence since you are getting the car mapped , im thinking of adding a high flow cat to my centre pipe so its quite similar

just read the whole thread

wont putting the cat pipe back in screw the map up even more
it would on the way to bobs yeah.....but the maps being done from scratch so that shouldnt matter?
Old 10 February 2005, 10:27 PM
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Thats why id lean towards leaving it out - might not pass. I dont think you'd notice the difference on the road with it in / out although the map might be slightly different.

Best to map with it out, then put back in when need be rather than the other way round I would have thought. I had the same situation with my HKS Bung

MB
Old 10 February 2005, 10:28 PM
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your going to bobs good man


you have been driving the car off boost for that long why take the chance of blowing your engine on such a nice car, just for the sake of a few weeks or whatever
Old 10 February 2005, 10:29 PM
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Who mapped it?!

MB
Old 10 February 2005, 10:33 PM
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Neilo
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Originally Posted by stevebt
your going to bobs good man


you have been driving the car off boost for that long why take the chance of blowing your engine on such a nice car, just for the sake of a few weeks or whatever
ive just been being careful steve, if im running booster then ill boot it, but for 15 quid a bottle....i dont do that too often.
Old 10 February 2005, 10:36 PM
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Neilo
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Originally Posted by Dark Blue Mark
Who mapped it?!

MB
hehe, do you get the impression i wont say?? (not on here anyway)(i dont want to be unprofessional mainly)
Old 10 February 2005, 10:37 PM
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but for 15 quid a bottle....i dont do that too often
id rather pay out for a bottle of that every time than an engine rebuild just imagine sitting at the lights then some nova guy eggs you on next minute heatsoak and the knocklink lights up like a xmas tree and the scoobs splutters past
Old 10 February 2005, 10:40 PM
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Neilo
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Originally Posted by stevebt
id rather pay out for a bottle of that every time than an engine rebuild just imagine sitting at the lights then some nova guy eggs you on next minute heatsoak and the knocklink lights up like a xmas tree and the scoobs splutters past
ive got full on det 3 times.....first time was on track when i thoguht the car was fine....the last 2 times have been at about 4krpm, and not even trying!

no your right steve, it not worth the engine rebuild. so bring on the map!
Old 10 February 2005, 10:43 PM
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MB
Old 10 February 2005, 10:45 PM
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stevebt
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neil

i have a slightly bigger turbo than yours and altho i have never redlined 5th i can take the car to just short of the redline in 4th and i have never seen so much as a green flicker on the knocklink or 8 points on my commander
Old 10 February 2005, 10:46 PM
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Neilo
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exactly my point steve......and believe my im looking forward to that day i know im not going to be generating the power level that you are but getting towards the middle 300s will be just fine for me until i can afford the next step anyway.
Old 10 February 2005, 10:52 PM
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Dark Blue Mark
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Ahh, the next step. Im lunging towards that at the mo, and my pocket is beginning to hurt Think you should flog me your mods Steve

MB
Old 10 February 2005, 10:57 PM
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Neilo
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i want to have the first usable (un-nos'ed) 400bhp 2003 WRX ho ho.
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