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Thread: Changin the Cat......

  1. #1
    DX User TsubohachiLX-i's Avatar
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    Changin the Cat......

    Hello 3geez!!!

    Next weekend I plan on changing my cat converter, so I was wanting to know how much clearance do I really need to get under the car? I'm going to purchase service ramps, so i need to know the required clearance so I can buy the right ramps.

    My car is currently set at its stock height......



  2. #2
    2.0Si User ShyBoyCA6's Avatar
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    Re: Changin the Cat......

    Enough for you to work down there.

  3. #3
    3Geez Veteran A18A's Avatar
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    Re: Changin the Cat......

    exactly lol. the more room you have the better

  4. #4
    3Geez Veteran Rendon LX-i's Avatar
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    Re: Changin the Cat......

    if you can get 4 jack stand it would be nice. An be prepared to use a cut off wheel. 20+ year old exhuast bolts are going to be nice to take off LOL. i remember putting my paceshitter on back in 05 O yea that was fun.


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  5. #5
    2.0Si User ShyBoyCA6's Avatar
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    Re: Changin the Cat......

    Fuck Jack Stands Rent a Forklift LOL!!

  6. #6
    3Geez Veteran Rendon LX-i's Avatar
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    Re: Changin the Cat......

    O a mexican fork left is PEDISIMO to lol. YOU dont want to know LOL


    200+ ALL MOTOR LS VTEC

  7. #7
    LX User Xaisk's Avatar
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    Re: Changin the Cat......

    What Rendon said. 20 year old exhaust bolts suck ass to get off. They pretty much fuse together with the studs.

  8. #8
    LXi User 88lxi-shortram's Avatar
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    Re: Changin the Cat......

    buy a can of PB blaster and get a ball peen hammer. leave the car up for a while and every 20 mins go out there and spray some on the bolts. then tap with a hammer. do this for about an hour and get or make yourself a breaker bar and your set to go
    88 lxi:
    shortram, msd blaster 2 coil, lowered 2.5" in the rear 3" in the front, stripped because race car XD

  9. #9
    2.0Si User
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    Re: Changin the Cat......

    Yes, the bolts will be rusted & seized up. PB blaster works, sometimes you can put a torch to the nuts to get the to break loose. IF the stud twists off, plan on either driving the stud out with a hammer, drilling it out, or blowing it out with a cutting torch. Replace the gaskets & use some anti-seize on the threads. It's recommended to replace the oxygen sensor with cat replacement. If you have a universal one, might have to cut the flanges off & weld it in there. Hopefully you got one that lines up with the flange bolt holes so you can do in your driveway without all the welding equiptment.
    .

  10. #10

    Dr_Snooz's Avatar
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    Re: Changin the Cat......

    You can always do like the last muffler shop I used. Get a rusty chainsaw and an ax. Hack the living crap out of everything 6" before and after the cat. Then weld the new cat in in a crooked and haphazard fashion. Be sure to throw away all supporting brackets and hardware too.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


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  11. #11
    SEi User Demon1024's Avatar
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    Re: Changin the Cat......

    ^^^ I sure hope you threw a fit.

    I've done it with a foot of clearance and a dremel once. Never again tho! Possible just very frustrating. Higher you can, the easier it will be. Just make sure to use good stands.
    You have the emissions in Tx?

    "Weight is relative to power like time is relative to speed"

  12. #12
    3Geez Veteran A18A's Avatar
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    Re: Changin the Cat......

    lol and i thought the person who welded my muffler thingy on to the exhaust backwards was bad.

    i use a monkey wrench when slamming a 13mm socket over them doesn't do the job. dropping the whole exhaust helps if things get bad

  13. #13

    Dr_Snooz's Avatar
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    Re: Changin the Cat......

    Quote Originally Posted by Demon1024 View Post
    ^^^ I sure hope you threw a fit.
    Nope. If they do a crummy job the first time, I'm not about to take it back and let them have another crack at it. I just mop up the mess myself. It's why I don't take the car to shops.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 240k miles, MT swap, rear disc swap

    Shop manual downloads available here: CLICK TO VIEW

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