Two catalytic converters? Seriously? - Ford Bronco Forum
 
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post #1 of 6 (permalink) Old 11-21-2012, 01:31 AM Thread Starter
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Bronco Info: 1993 Bronco XLT, 302, e4OD, 147k, no mods 1983 F100, 300, 3-speed 80k
Two catalytic converters? Seriously?

Hey everyone, so the other day I went out and bought a new magnaflow cat and glasspack for my 1993 bronco 5.0. Stupid me never thought to check the exhaust before I bought them, sort of an impulse buy. Sooo now I'm trying to work with what I've got. I notice that the first cat(?) is also a sort of y pipe. I was wondering if I could punch this out and use it just as the y pipe and run the other cat behind it and not have any problems. I also noticed how tight the spaces are underneath the truck, what do you guys use to cut your pipes? I did the exhaust on my 83 pickup and there was enough room to shove a hacksaw up there. Should I buy a pipe cutter? I've only got a few days to get this done, then its back off to school so I can't really order parts and the exhaust leak is driving me nuts. Thanks a lot guys, you're always a ton of help.

1993 Bronco XLT, 302, 147k miles
31" x 10.5" Firestone Destination A/T

1983 F100, 300 "BIG SIX", 80k miles
Magnaflow Glasspack, Hiflow cat, LED interior lighting, 1600W sound system
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post #2 of 6 (permalink) Old 11-21-2012, 01:34 AM
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Why do you want to punch it out?
Is the cat clogged or melted inside it?
If neither, than leave it alcove and hook up the rest.
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post #3 of 6 (permalink) Old 11-21-2012, 01:45 AM Thread Starter
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Wow thanks for the quick replys. Yes the y pipe/CC is clogged/broken. I can hear the pieces rattling around inside when I give the engine some gas.
Here's the thing, a new y pipe costs 30 bucks and I can't find a store nearby that has it, so I'd have to order it.

The same thing happened to the cat on my 83, so I punched it out because I couldn't afford a new one. The rattling is another thing that makes me insane.

I understand that the emissions system shouldn't be touched, but the o2 sensor is in a pipe before the y-pipe so I shouldn't have to touch that and as long as I leave the other o2 sensor behind the new cat, all should be fine, right?

1993 Bronco XLT, 302, 147k miles
31" x 10.5" Firestone Destination A/T

1983 F100, 300 "BIG SIX", 80k miles
Magnaflow Glasspack, Hiflow cat, LED interior lighting, 1600W sound system
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post #4 of 6 (permalink) Old 11-21-2012, 02:09 AM Thread Starter
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Bronco Info: 1993 Bronco XLT, 302, e4OD, 147k, no mods 1983 F100, 300, 3-speed 80k
Quote:
Originally Posted by TheUnforgiven View Post
You're retarded. We all gotta share the same oxygen. Thanks for f*cking it up.




then order a new Y-pipe, you got the modern 3 way cat, so what's stopping you? unless the 02s are throwing codes, i'd leave them alone.
Well I mentioned it earlier, but I only have until this weekend to get it done, before I have to go back up to college, and I seriously doubt the y-pipe would get here by then because of the holiday .

1993 Bronco XLT, 302, 147k miles
31" x 10.5" Firestone Destination A/T

1983 F100, 300 "BIG SIX", 80k miles
Magnaflow Glasspack, Hiflow cat, LED interior lighting, 1600W sound system
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post #5 of 6 (permalink) Old 11-21-2012, 02:40 AM
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Then have it delivered to where you will be when it arrives.

Did you notice the 2 transmissions, seriously? And the 2 drive axles, seriously? And the 2 doors, seriously? Just because you don't understand what things do, how they work, & why they're there, that doesn't make them useless, redundant, or unnecessary. Fix it right, and it'll last. Hack it up, and you'll be whining about it being unreliable. Read this:
http://www.fourdoorbronco.com/board/...ead.php?t=5427
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post #6 of 6 (permalink) Old 11-21-2012, 11:38 PM
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You say there is an exhaust leak that's driving you crazy? Do you know where the leak is coming from? If it's coming from the manifolds, a new muffler will not fix the leak.

Sawzall works best for cutting the pipes.
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