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Melted my 2 catalytic converters...

Discussion in 'Performance and Tuning' started by Ballsyone, Jul 25, 2009.

  1. Jul 25, 2009 at 4:57 PM
    #1
    Ballsyone

    Ballsyone [OP] Member

    Joined:
    Jul 25, 2009
    Member:
    #20158
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    9
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    Male
    San Diego
    Vehicle:
    04 Prerunner
    Cold air intake, TRD Super Charger with 2.1 URD Super Grip Pulley, Water Methynol Injection, Titanium Ceramic Headers, Total Chaos Long Travel front suspension, etc. etc. etc
    I've got 40,000 miles on my Super Charger with JBL Titanium Ceramic headers and stainless steel exhuast. Wife was driving it and the truck just stopped while driving down the highway. I was out of town and had to have the truck towed to the Truck Shop in San Diego. The super charger belt was broken AGAIN, this one lasting only 5,000 miles, but also the catalytic converters were melted completely and were not allowing any exhaust thru. :) I was not aware that these things melted like that. My first super charger belt lasted about 15,000 miles. The second latesed about 7,000 and this one lasted about 5,000. I was getting concerned about the belts lasting shorter and shorter, but, with the super-grip pulley, I thought that was the price to pay for the extra performance. The smaller pulley has sharp slots which help prevent slipping and the smaller size allows me to get up to 9.5 - 10 psi. The increasing back pressure as the converters clogged up more and more were making the super charger work harder and harder to force the air thru. Needless to say the truck hauls ass! Now I am facing having to buy 2 new converters at about $700 each. The thing is, I don't want to keep buying those every 40,000 miles ESPECIALLY knowing that they are slowly melting and clogging my exhaust. I will most likely mount them for smogging and then removing them every other year when it is time for smogging again.

    Has anyone ever heard of converters melting completely like this? What about installing some heavy duty converters??? And/or is that even an option? And does anyone know of a "shop" in Vegas that does smogging for guys like me?

    TIA...
     
  2. Jul 26, 2009 at 6:19 PM
    #2
    lilgerber

    lilgerber Well-Known Member

    Joined:
    Nov 23, 2008
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    fresno ca
    Vehicle:
    06 4x4 speedway blue
    flowmaster40,vloant intake,king coilovers,TC UCA's,3inch lift,billet grill,chrome handles,stero system.motometals 951 285/17/70
    wow never heard of that happening. sorry really cant help.
     
  3. Jul 27, 2009 at 4:43 AM
    #3
    Ridingontrd

    Ridingontrd Well-Known Member

    Joined:
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    Richard
    Laughlin,N.V
    Vehicle:
    trd sport 4x4 w/towpkg
    aFe prodry,Dynomax ultra flo ss,Scangauge2,Demello front bumper,BudBuilt skids,sliders(local)AllPro rear bumper,Wet O's cobalt blu,w/halfpiping,TRD logo in gold,R/L hood struts,5150's@10"aal 3 pack,T/C uca,Light racing c/o,1"diff.drop,de-badged,
    Never mind.:D See below.
     
  4. Jul 29, 2009 at 8:03 PM
    #4
    bass mechanic

    bass mechanic Well-Known Member

    Joined:
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    colorado springs, colorado
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    2009 tacoma Access cab TRD offroad in black
    none
    if i had to guess your truck is running WAY TOO LEAN!
    to melt a cat like that
     
  5. Jul 29, 2009 at 8:21 PM
    #5
    sooner07

    sooner07 1/2 man 1/2 amazing

    Joined:
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    A A Ron
    Killeen, Texas
    Vehicle:
    Debadged 2008 Rugged Trail
    Always working on the stereo, painted the front skid plate black to match the truck, debadged , toy tech ultimate lift kit, light racing UCAs, ARB bumper Looking into a supercharger and new exhaust.
    I was also thinking the same thing. Is that not why there is a 7th injector kit (but I admit that I don't know how it works) and higher flow fuel pump? Curious if those items are also installed in this setup.
     
  6. Jul 29, 2009 at 8:28 PM
    #6
    Ridingontrd

    Ridingontrd Well-Known Member

    Joined:
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    Gender:
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    First Name:
    Richard
    Laughlin,N.V
    Vehicle:
    trd sport 4x4 w/towpkg
    aFe prodry,Dynomax ultra flo ss,Scangauge2,Demello front bumper,BudBuilt skids,sliders(local)AllPro rear bumper,Wet O's cobalt blu,w/halfpiping,TRD logo in gold,R/L hood struts,5150's@10"aal 3 pack,T/C uca,Light racing c/o,1"diff.drop,de-badged,
    Didn't see the first time:He is also running water meth.inject.:notsure:
     
  7. Aug 2, 2009 at 6:36 PM
    #7
    Gadget@URD

    Gadget@URD Well-Known Member Vendor

    Joined:
    Sep 12, 2008
    Member:
    #9183
    Messages:
    638
    Southern Maryland USA
    Vehicle:
    URD Supercharged XRunner
    If you don't have fuel mods it will run very lean and over temp the cats in boost.

    The belt should last a very long time with the URD pulley. If it is snapping suddenly with no unusual signs of wear, then that is likely the known problem with the belt slipping off the tensioner pulley. URD has a fix for that with our tensioner pulley that has the tall ears on it.

    Now if your belt is breaking because it is wearing out and dusting badly, that is a problem with angular miss alignment of the supercharger pulley in relation to the other pulleys in the belt drive. The fix for that is to take the belt off and loosen the supercharger and shift it around until it is lined up properly with the rest of the pulleys.

    This is like having a bad alignment with your front end and the tires will wear out very quickly because they will scrub going down the road.

    On my 4Runner with the TRD supercharger and the URD pulley I had my supercharger belt on for over 90,000 miles and not one bit of unusual wear.

    Feel free to give me a call at URD tech support if you want 877-887-3872 x3

    Gadget
     
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