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Can You De-precat A Turbo?


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#1 SSH1

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Posted 21 August 2003 - 03:25 PM

Can the pre-cat be removed on the VX Turbo? It looks easy enough on the NA models, just wondered if could be done on a Turbo, being the skinflint that I am & not willing to shell out vast amounts of cash on fancy exhausts etc. Chris

#2 cheeky_chops

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Posted 21 August 2003 - 03:35 PM

yep, exactly the same process to remove

#3 Thorney

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Posted 21 August 2003 - 04:52 PM

Yep, is a bugger to do mind. :unsure: Cheapskate ;) :)

#4 Dave T-S

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Posted 21 August 2003 - 05:24 PM

Alternatively, instead of shelling out £1110 on a nice Milltek full system with the added benefit of around + 22bhp, if you are being long pocket and short armed you can go for a replacement precat pipe. I'm not sure if Milltek will sell you only this, but Courtenay certainly will at £270 or so - and it will give much better gas flow than the nasty OEM Vauxhall one with the guts knocked out ;)

Edited by Dave T-S, 21 August 2003 - 05:25 PM.


#5 minime

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Posted 21 August 2003 - 06:52 PM

regal will do this also! :D

#6 Thorney

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Posted 21 August 2003 - 07:13 PM

regal will do this also! :D

I'm looking forward to a post from Minime which DOESN'T promote Regal :rolleyes: :(

#7 rasputin

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Posted 21 August 2003 - 07:35 PM

here here :groupjump:

#8 minime

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Posted 21 August 2003 - 08:10 PM

ok ok....but what about thorney and amd....or nitron.....and others about theirs! i am pleased as punch about my car.... and anyway what about spax and itg? i have mentioned them aswell plus race logic and how about graham at picador? maybe its time to go and play with others......... :angry: and besides unlike so on here i have never slated or slagged other companies...... :angry: :angry: :angry: :angry: :angry: :angry: :angry: :angry: :angry: :angry: :angry:

#9 Thorney

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Posted 21 August 2003 - 08:47 PM

Calm down matey no-one is doubting your contribution to the forum.....its just that it sometimes seems that you ONLY post when you're promoting Regal in some way. I'd had a few comments thats all. We all have our favourite tuners (except me cos I have to keep fairly neutral - hence me driving all the way to Courtenay this week just to get them more involved - no doubt AmD would rather I didn't but tough sh*t. Keep the posts up mate, but not everyone has to be a pro Regal one?

#10 goofballs

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Posted 02 September 2003 - 09:17 PM

That's a bit more like it lads. It reminds me of the Integrale forum, when I had my EVO II. Jeez, we used to knock ten bells out of each other when it came to favourite tuners. Litigation, threats, the odd punch up at a track day. Plenty of :beat: :beat: :beat: :beat: :beat: And lots of :poke: :poke: :poke: :poke: :poke: But at the end of the day everyone cheers cheers cheers cheers And on the odd occassion :sick: :sick: :sick: :sick: :sick: :sick:

#11 Dave T-S

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Posted 03 September 2003 - 02:30 PM

Not sure if that was directed at me and my comments over Regal's software - that I felt it appeared that it was released to the market without being tested properly if it is on version 17 - and it appeared to make some cars run lean at the AmD RR day - but if it was, c'est la vie, merely expressing an opinion, and i've got a broad back :)

#12 PaulCP

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Posted 03 September 2003 - 06:00 PM

Not sure if that was directed at me and my comments over Regal's software - that I felt it appeared that it was released to the market without being tested properly if it is on version 17 - and it appeared to make some cars run lean at the AmD RR day - but if it was, c'est la vie, merely expressing an opinion, and i've got a broad back :)

Dave

You don't need a broad back since i don't think antone was having a go at you. I found your comments after the AMD day to be helpful (unlike others) but there's probably a need to put the record straight a bit regarding the lean running that day and different versions of Regal software.

Mine and Minime's car were running marginally lean, not alarmingly so on the admission of the guy at AMD. The reasons for it were that minime & myself were running a version which felt better on the cars although we knew that there was a problem with the software. (both our cars have the Dbilas intake manifold which needed further developments of the software to match it better.

The RR day confirmed that how a car feels on the road sometimes doesn't show up on a RR graph. I stste this because after chenging the software the car feels the same but the re run at AMD (on a much hotter day) showed it to be pushing out 8bhp more at 175bhp and on AMD's admission would probably have reached the claimed 182bhp on a cooler day (actually the mk1 version of the software which i had installed back in Jan seemed OK but Regal wanted to develop it more to see what else was achievable. I guess they could have stopped at this point and stuck with that version).

It's also worth noting that the Superchip software showed no improvement whatsoever in bhp on my car on the RR when it was tried.

I think that we should give some credit to Regal for being the first and for trying to continually develop their software and for offering upgrades FOC. It would appear from minimes recent posts that the latest version has been worth the wait and i'm looking forward to trying it out later next week.

It's good to see that others are now developing mods and software for the car and if Courtenay had done so before i would probably have used them since location wise thay are much closer to me. When i contacted them back in Jan they "weren't looking at developing anything for the VX in the foreseeable future"

It's never easy being first since others can capitalise on your mistakes but i do feel that some of the recent posta about Regal have been unjustified albeit probably in ignorance.

Paul

#13 Thorney

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Posted 03 September 2003 - 06:11 PM

All fair comments. As I've said in the past, Regal (and their customers) should be congratulated for making the first steps in VX220 tuning. The problems 'some' Regal mapped cars were having at the RR day were minor (but were still problems all told) but I'm glad we managed to discuss it without really letting it degenerate into a slagging match. End of the day we will all have our favourites so long as we keep an open mind and only post sensible comments (99% of the posts have been I'm happy to say) then we'll be fine. Now.......about Courtenay ;) :flame: Lets keep it happy :grouphug:

#14 Dave T-S

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Posted 03 September 2003 - 09:58 PM

Yep, my comments after the AmD RR day weren't designed to be having a pop at Regal, merely to warn anyone with a car running lean to be careful......as you say there's lean, and too lean - lean is ok with care, and too lean means a good chance of ventilated pistons ;) :( Also totally agree with the fact that a RR is a totally false environment (and one of the reasons why I have only ever put a couple of my cars on the rollers, and the last one was in 1997!). That's not knocking RR's at all, and they do have uses particularly doing back to back comparisons on the same car before and after mods, but it's how the car drives out in the real world that matters. Some cars run a crap plot on the rollers and drive on the road well, and some the opposite ;) Noted re Superchips, and that was the first time I put a car on the rollers - my old 306 S16 in 1995 or thereabouts at Superchips HQ. It gave nothing, at points in the map was worse than stock, they gave me a refund; and this led me to the conclusion that Superchips give little or nothing on normally aspirated cars, a view that I haven't changed eight years later ;) I don't think much of them on certain turbo cars either - they just do NOT work on Imprezas for example....... :( Off on a slight tangent, Mrs T-S's Leon Cupra R goes to Milltek next week for them to use as development for a turbo back sports cat exhaust system, coupled with an AmD remap this should put out around 270bhp/280ft/lb through the front wheels which is going to be somewhat entertaining I think, particularly this winter :D

#15 ChasB

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Posted 04 September 2003 - 03:52 PM

Going back to the original theme of the thread. Is the pre-cat on the turbo in the same place as the NA? Reason I'm asking is that Nigly-Nige took his to Hi-Q to see Dean a few weeks ago & Dean couldn't find one!!! Meant that Nige had spent all morning walking round sunny MK spending money in the shops for no reason (or result)! LOL : :lol: :lol: :lol:




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