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CAT issues; Q&A's
Topic Started: Mar 22 2009, 02:41 PM (329 Views)
andy_bzr
stage 4
finally car passed nct and putting on the decat now!! got the rear bolts off with ease but the two nearest the engine won't f*cking move!!! spraved aload of wd40 and will leave for a while and see does that do the trick! if i try too hhard the rachet with just slip and the head will be f*cked any help

cheers

ah come on someone!! its up on axel stands and getting cold

cheers
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ozzy
Stage 4
There a weird sized bolt allright. Use a plumbers spanner. It goes all the way around the nut so wont slip
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AceSniper
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Global Moderator

single hex 1/2" socket on a strongbar ;)
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nismoe
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Levin-headed
give it a few taps with a hammer and apply wd40 again repeat process - should get it moving. don't forget yer spinach ;)
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andy_bzr
stage 4
yea going try them tomorrow!!! also got a lend of a torch as well so if its doesnt move :cheers:
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irishgerard
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Stage 6
i used a torque gun to get mine off.. took some effort but they came in the end
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frax
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Stage 6
get a socket and a breaker bar. if the cars on stands then put the baron the nut, put your feet on the inside of the side skirt and use your whole body weight. or a torch will be quicker :D
Edited by frax, Mar 23 2009, 09:13 PM.
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AceSniper
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Global Moderator

really .... 1/2" socket sets make things like this kids play... the strongbars have the length, and single hex sockets dont round the heads
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andy_bzr
stage 4
yea thats wat i was afraid of, round heads!!!! doing it soon and just going torch them off!!

finally got it off today just cut the two bolts on!! the only thing is that the gaskets that solid fab sent over are pretty shit, and looking for a new and better set any hints??
cheers
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JohnnyBZG
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Needs to Try Harder
Use the original round Toyota gaskets- it's slightly fiddly trying to fit them- but they're the best there is...
The ones I got sent with the 5Zigen decat were shite too!
silvery metallized cardboard is no use whatsoever...
Edited by JohnnyBZG, Mar 26 2009, 06:27 PM.
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andy_bzr
stage 4
i wish i knew that when i was changing them! looks like the car will be up again tomorrow! cheers bud
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nismoe
Member Avatar
Levin-headed
yep i threw away the cut out beer mats that came with it and just used the toyota gaskets
Edited by nismoe, Mar 27 2009, 08:48 AM.
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ozzy
Stage 4
Paper gaskets and a little bit of exhaust putty worked perfect for me
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stealth
Stage 4
Mine still blows with exhaust putty, then gasket, then more exhaust putty, plus doing them up fuck!ng hard! :@ :wall:

Well I took people's advise and got the Toyota metal gaskets. They are in no way similar to the ones supplied by solid-fab. These new ones are just rings. They fit in the recess of the downpipe face and the rear section face, which you should notice when fitting the decat pipe. It only cost me 8 quid for the parts 90917-06043 and 90917-06054.

Believ me, a blowing cat looses so much power, and also causes stuttering from the engine when hitting/letting off the throttle. Now I have done this, the ride is much smoother, sounds better, more punch under acceleration, and pops a treat! Yet to see if flames are available without installing a rear camera.

Hint: Do not use exhaust putty in place of a gasket. Really shit to get off when you realise it hasn't worked, and tends to blow further down the exhaust before going off, blocking the baffles a tad. And also, never use it on the downpipe to the real cat come MOT time, as it will render the cat useless!
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Suicidenorman
Stage 2
Just wondering if the cat is under the car r apart of the down pipe???
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robcam
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96BZR

no the cat comes after the 2-1 part of the headers.
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frax
Member Avatar
Stage 6
looking at getting a high flow cat but first i wanted to ask who else in oz has one and what size ect...

also the sensor on the stock cat (temp sensor?) what happens with it did you get a cat with a mount on it or did you have to make one??
Edited by frax, May 5 2009, 08:30 AM.
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chiksluvit
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[OO\_____/OO]
get 2.5 inch metal cats and the right flanges, and ask an exhaust shop to weld it up for you.. the only bolt-on cat you can get off the shelf for ae111 is the SARD cat and they cost an arm and a leg...
metal cats are just metal cats, catco, metalcat, x-force all make them... i 'd reckon just go for x-force since they're cheaper..

don't worry about the cat temp sensor if your car has one, you can just leave it unplugged and just pull off the bulb from behind the dash, it won't affect the way the car drives at all in any way... if your car's 98+ model then it won't have a cat temp sensor from factory anyway.
Edited by chiksluvit, May 3 2009, 06:03 AM.
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frax
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Stage 6
hmmm ok. i can get a 2.5" from metal cat locally only problem is the exhaust shop i go to closed. on 2 weeks holiday now so will go ask around.
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wsmracing
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Stage 4
ChapR
May 3 2009, 04:28 PM
Just wondering were could i source a cat for a levin for the nct or would i of bin better of trying to get 1 with the car when buying it
you obviously didnt look too hard...i have one on this site and the buy and sell for next to nothing! :wave:
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frax
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Stage 6
Posted Image

which size gasket would i need for a standard cat? i've had a blow out :$

think i've found a highflow cat but would 100cpsi be to free flowing for our cars?
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AceSniper
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Global Moderator

no such thing as "too free flowing" its myth however you will start loosing power if you go to big in pipe size
Edited by AceSniper, Dec 7 2009, 08:37 AM.
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frax
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Stage 6
ok so a 2.5" cat with 100cpsi should be ok? will be a good buy since i've been runing hks headers and exhaust through the standard cat

just had a look and they now have some 2.5" 200cpsi cats listed. now theres choice.....


edit - dont worry bout the 200cpsi that is from a different seller and under both the 100 and 200cpsi cats it says not road legal....
might go with original seller since he doesnt state that....
Edited by frax, Dec 7 2009, 08:49 AM.
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BZ-G
Member Avatar
aka Hyper Rev 4...
use number 2 gasket... since 2.5" is close to 62....
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levinsme
Stage 2
stupid question but do you have to use exhaust putty
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n2o
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mechanical n00b
yes, it ensures an air tight seal so the exhaust doesn't leak out
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