Pre-cat gutting meet

[kanujunkie]

count me in too I'm in herts so welwyn is fine for me

I don't think that this has been arranged for Welwyn...this is a resurrected old post where the last pre-cat gutting meet was at Welwyn...unless Mark is going for this again!!  s:wink: :wink: s:wink:

ooooohhh now there's an idea, Maaaaaaaaaaaaaarrrrrrrrrrkkkkkk???

[Anonymous]

And, just to add a bit of info to the general database, we've lost three Spyders in April '04 alone due to precat decay. One car went through the classic scenario of failing due to precat damage, getting a rebuild and new main cat (but not a new manifold) and so the precats took the new motor out straightaway.

If you own a Spyder, regardless of your warranty coverage you really need to get those time bombs off of your engine as quickly as you can. Glad to see you folks are diligent in this regard and helping one another out. You've inspired the first-ever U.S. cat-gutting party already.

[Anonymous]

has anything been arranged for this as I would like to come.

[Ernie Ball]

Though I'm new around here, I'd come over from Dublin for help getting those infernal precats out of my new (to me) chariot.

Count me in.

[kanujunkie]

sorry guys, i think people have been caught up in life, nothing was arranged, would somebody like to volunteer there driveway and a date and we'll get this done?

[markiii]

guys, since we have such large numbers I'm happy to volunteer again.

I need to check teh diary for availability though so please bear with me.

[kanujunkie]

on behalf of all interested thanx Mark, much appreciated especially as you know how to do it  s:wink: :wink: s:wink:

[Comer]

guys, since we have such large numbers I'm happy to volunteer again.

I need to check the diary for availability though so please bear with me.

The footy season is almost over so just say the day and I'll be there if I still have a '2.  Thanks.

[aaronjb]

You've inspired the first-ever U.S. cat-gutting party already.

Illegal in some states, surely? From what I remember of the pre-cats on the Nissan anyway.


And back on topic - if this does happen, I wouldn't mind popping along as well  s:) s:)

[richbay]

cheers mark, as im getting a air inlet pipe in the group buy to perhaps we can combine the two events, and i can collect/fit the inlet pipe the same time i gut the moggie

[SimonC_Here]

Just to reitterate, I would love to be rid of my pre cats. After the last time they got rid of themselves throught the exhaust pipe.   s:roll: :roll: s:roll:  

Simon

[Ernie Ball]

Just out of curiosity, what are the hydrocarbon and CO limits for the MOT?  I ask because my car is registered in Ireland and will have to pass the Irish NCT some time after I gut the pre-cats.  For the NCT the limits are:

Low idle: CO 0.5%, HC 0ppm
High idle: CO 0.3%, HC 200ppm

Is that more or less strict than the MOT?  I'd hate to take the pre-cats out and then have to buy a new manifold to pass the NCT.  s:shock: :shock: s:shock:

[markiii]

not sure, but since teh celica would presumeably pass? and it has no precats and teh same engine I wouldn't expect an issue.

[filcee]

A search for "MOT Passed" turned up this thread

MOT passed

Of course, I knew that a few people had removed pre-cats and gone through the MOT, including mph, qho has not cats or pre-cats (but did have to fiddle with Unichip? settings to get through the MOT)

[Ernie Ball]

A search for "MOT Passed" turned up this thread

MOT passed

I know that people have passed the MOT.  My question is: is the MOT more or less strict than the NCT limits I posted above?

Looking at that thread, I must say that people had very low emissions after gutting the pre-cats.  My emissions are higher than those posted and I still have my pre-cats.  s:roll: :roll: s:roll:

[Tem]

Precats don't affect emissions once the engine (and main cat) is warm. They reduce emissions by starting to work very quickly after the car is started, cause it takes some time for the main cat to start operating.

[filcee]

I'm no expert on MOTs, but this site seems to have a lot of detail about the UK test:

http://www.motuk.co.uk/manual_730.htm

This seems to be the information about the NCT in Ireland:

http://www.mcnamarasltd.com/main/NCT.php3

I haven't checked to see which is the most stringent wrt emissions.  My guess would be that the UK and Ireland have implemented EC-led legislation, therefore they are both the same.

<EDIT>
This site contains some values for the UK:
http://www.geocities.com/SouthBeach/Lagoon/9819/mot.html
So that serves me right for not checking properly before posting!  s:oops: :oops: s:oops:

On this basis, it would appear that the NCT is more stringent than the MOT.

It also seems to be the case that many of the sites referring to the UK MOT test do not include these values, but make constant references to 'the manual', which suggests that these limits will be subject to change in the future.
</EDIT>

[Anonymous]

Mark, if you have room for one more then i'd be interested, depending on when it's going to happen (busy month   s:( s:(  ).

[Anonymous]

If you have room for another...i'd be very grateful!  s:) s:)

my pre cats went a few months ago, had a new main cat, rebuild etc, but no new manifold, even though i pointed out it should really be having one.  I've had it back for 8 weeks, and it's munched it's way through a whopping 5 litres of oil   s:shock: :shock: s:shock:    

Just on my way too see mr T!!

[markiii]

If you have room for another...i'd be very grateful!  s:) s:)

my pre cats went a few months ago, had a new main cat, rebuild etc, but no new manifold, even though i pointed out it should really be having one.  I've had it back for 8 weeks, and it's munched it's way through a whopping 5 litres of oil   s:shock: :shock: s:shock:    

Just on my way too see mr T!!

Am I missing something? do you have any cats left to gut?

[Anonymous]

hehe ye, it was all fixed and had new pre cats installed with the new main cat, it's drives fine, all the power is there, it's just chomping it's way through oil

[kanujunkie]

guys, since we have such large numbers I'm happy to volunteer again.

I need to check the diary for availability though so please bear with me.

any news on dates Mark?

[markiii]

right I reckon it's going to be first or 2nd weekend in June and I'm going to go for a saturday this time. I'll update with exact details tonight.

[mrsmr2]

Tempting, even though mine still has just under 2 years of warranty.

What is the view on the increased noise after the pre-cats have been removed?

I've checked all the posts, and PM'd Grant to ask his opinion.  I'm interested to know what other people's views are on this.

Jason

[Liz]

From my point of view the increased noise is fantastic, but probably something to do with the H & S as well, I get popping noises and a lovely low growl.   s:twisted: :twisted: s:twisted: