Any Problems Fitting Decats ?
#1
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Evening all....
I`ve been considering decatting my 2001 Bug Eye WRX, and just wondered what the real benefits are....
The only reason i ask is cause my mate who works at Montys Subaru has told me about quite a few cars they have had in with over heating and damaging the engine after the decats have been fitted then hard driving...
As anyone else heard this or experienced it ?
Thanks
Simon...
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I`ve been considering decatting my 2001 Bug Eye WRX, and just wondered what the real benefits are....
The only reason i ask is cause my mate who works at Montys Subaru has told me about quite a few cars they have had in with over heating and damaging the engine after the decats have been fitted then hard driving...
As anyone else heard this or experienced it ?
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Thanks
Simon...
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#3
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Simon
I'm not sure if the conservative map in the Bugeye can cause a lot of problems with the bugeye decat with the TD04 turbo.
A few more BHP and earlier spool-up maybe.... I doubt if the temps would rise enough to melt the cat in the up pipe if left either.
Major problem is the ECU throwing a P0420 CEL (inneficient CAT) as the CAT isn't there![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
De-catting the bugeye STi is a different matter !!! this can cause more problems as the turbo is bigger and the intercooler is a lot more efficient leading to boost control problems AFAIK![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
Midlife.....
I'm not sure if the conservative map in the Bugeye can cause a lot of problems with the bugeye decat with the TD04 turbo.
A few more BHP and earlier spool-up maybe.... I doubt if the temps would rise enough to melt the cat in the up pipe if left either.
Major problem is the ECU throwing a P0420 CEL (inneficient CAT) as the CAT isn't there
![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
De-catting the bugeye STi is a different matter !!! this can cause more problems as the turbo is bigger and the intercooler is a lot more efficient leading to boost control problems AFAIK
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Midlife.....
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Hi guys sorry to interrupt but am new user and haven`t figured out how to start a new post or is it thread very sorry? but if anyone can help me with my problem i would be most grateful have just recently bought a 1995 jap import wrx with the td05 turbocharger fitted so i am assuming this is the big one, and not long had it when it got a bit hot in traffic t`other day and decided to blow its coolant out of the expansion bottle, now have spoken to a few so-called mechanics and they point to the head gaskets or even a cracked block, can anyone confirm my misfortune or could it be something else also when i try to run engine with fresh water it gets hot pretty quickly and pressurises the hoses and expansion tank. again my apologies for using your post but i am deperate! andnot sure what to do with my scooby, thanks al
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Originally Posted by Midlife......
Simon
I'm not sure if the conservative map in the Bugeye can cause a lot of problems with the bugeye decat with the TD04 turbo.
A few more BHP and earlier spool-up maybe.... I doubt if the temps would rise enough to melt the cat in the up pipe if left either.
Major problem is the ECU throwing a P0420 CEL (inneficient CAT) as the CAT isn't there![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
De-catting the bugeye STi is a different matter !!! this can cause more problems as the turbo is bigger and the intercooler is a lot more efficient leading to boost control problems AFAIK![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
Midlife.....
I'm not sure if the conservative map in the Bugeye can cause a lot of problems with the bugeye decat with the TD04 turbo.
A few more BHP and earlier spool-up maybe.... I doubt if the temps would rise enough to melt the cat in the up pipe if left either.
Major problem is the ECU throwing a P0420 CEL (inneficient CAT) as the CAT isn't there
![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
De-catting the bugeye STi is a different matter !!! this can cause more problems as the turbo is bigger and the intercooler is a lot more efficient leading to boost control problems AFAIK
![Frown](https://www.scoobynet.com/images/smilies/frown.gif)
Midlife.....
Simon
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Hi there just to say i have a 2001 bugeye and i have replaced the downpipe and centre pipe which takes both cats off i did this myself,abit awkward but saves alot of money(Yes tight bugger) Ive had these fitted for about 6 month now without a remap and i have had no probs whatsoever, you can here the turbo spooling up alot sooner and it sounds nicer to but i think having a remap would make more diffrence which i shall be getting done soon
And yes i do drive my car hard infact very hard i just cannot resist it
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And yes i do drive my car hard infact very hard i just cannot resist it
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I know this is about bug-eyes but how are de-cats on classics? My heatshield is rattling like a git (surprise surprise!) and I was going to replace it with a HKS de-cat that I have had lying around for ages. Engine has done 97k, can you see any probs? (94 JDM WRX)
Did do a search but couldn't find a straight answer on any other thread!!
Did do a search but couldn't find a straight answer on any other thread!!
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I have a full decat on my bug eye sti for about 3 weeks now, have not had any problems with errors or boost that i am aware of, but i am in for a HKS fcon on tuesday to make sure everything is smooth so will update then. At present though the car feels a great deal more responsive and sound like a demon.
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Originally Posted by VWscooby
I know this is about bug-eyes but how are de-cats on classics? My heatshield is rattling like a git (surprise surprise!) and I was going to replace it with a HKS de-cat that I have had lying around for ages. Engine has done 97k, can you see any probs? (94 JDM WRX)
Did do a search but couldn't find a straight answer on any other thread!!
Did do a search but couldn't find a straight answer on any other thread!!
Had afterburner de-cat fitted to my classic ( MY99 - 100000 + Miles )........No probs to report at the mo......Done about 1500 miles with it on
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Had my 01 bugeye fully decatted nearly a year ago, had to do the cel fix resistor mod as it kept throwiing the cel on (cat deficiency error) no problems at all since I did the fix but I did invest in an electronic boost controller to keep the boost nice and constant (18 psi) incase of spikes.
Last edited by fallwood; 14 August 2005 at 06:04 PM.
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Originally Posted by Edmondo
hiya mate
Had afterburner de-cat fitted to my classic ( MY99 - 100000 + Miles )........No probs to report at the mo......Done about 1500 miles with it on
Had afterburner de-cat fitted to my classic ( MY99 - 100000 + Miles )........No probs to report at the mo......Done about 1500 miles with it on
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Although after having a tyre blowout and power-steering leak the car has cost me about a grand this week!!!!
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