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»	Northern California Ford Owners » Automotive » Tech Talk » What makes cats go bad?

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Topic: What makes cats go bad?

roseville5oh
¯
Member # 406

posted

Heard a clinking sound under the car. Pulled the X-pipe off, tipped it upside down, and a bunch of white, cat material fell out. Does running the car rich or lean cause the cat to burn up? Thanks

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'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

Stimson
_
Member # 51

posted

quote:
Originally posted by roseville5oh:
Heard a clinking sound under the car. Pulled the X-pipe off, tipped it upside down, and a bunch of white, cat material fell out. Does running the car rich or lean cause the cat to burn up? Thanks

A rich mixure makes the cats attempt to burn off the extra fuel in the converter and not in the combustion chamber where its suppose to burn. If extremely rich, they can start to glow.

Posts: 2373 | Registered: Jun 2000 | :

MikeySBF
¯
Member # 865

posted

quote:
Originally posted by st5150:

A rich mixure makes the cats attempt to burn off the extra fuel in the converter and not in the combustion chamber where its suppose to burn. If extremely rich, they can start to glow.

yeah, what he said

Posts: 371 | From: East bay, cali | Registered: Feb 2002 | :

Gear Head
JARED
Member # 779

posted

quote:
Originally posted by roseville5oh:
Heard a clinking sound under the car. Pulled the X-pipe off, tipped it upside down, and a bunch of white, cat material fell out. Does running the car rich or lean cause the cat to burn up? Thanks

Yeah like if u run 91 octane plus an octane booster it will run hella rich and eventually burn up all your cats and destroy them.

[ February 14, 2002: Message edited by: 91sleeper ]

Posts: 5685 | From: EASTBAY | Registered: Jan 2002 | :

the50ho
THE50HO
Member # 73

posted

The way you drive your car doesn't help either sir....also a car not being fast can cause that...which is likely in your situation...J/K!!!!!

Jack

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Motorcycles and airplanes. Might be time to get back in the Mustang game.

Posts: 4057 | From: Roseville, Ca (Sacramento) | Registered: Nov 2000 | :

Stimson
_
Member # 51

posted

quote:
Originally posted by 91sleeper:
Yeah like if u run 91 octane plus an octane booster it will run hella rich and eventually burn up all your cats and destroy them.

This is not true.

Posts: 2373 | Registered: Jun 2000 | :

93PONY
Mr. Valve Events
Member # 60

posted

Eric,
How old is the Bassani? You *may* be able to coax Bassani into an exchange...your old one sent back with some $$$ in exchange for a new one.

*Precisely why I don't want a used one!*

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www.advancedenginedevelopment.com
SCT dealer
Dynotuning

(916)715-7569

Posts: 4266 | From: Fair Oaks, CA | Registered: Nov 2000 | :

Calightning
¯
Member # 853

posted

double post

[ February 15, 2002: Message edited by: Calightning ]

Posts: 27 | From: Castro Valley | Registered: Feb 2002 | :

Calightning
¯
Member # 853

posted

My cats went bad when I brought home my puppy Rex. Since then one of them claws the furnature and the other one pisses on the carpet.

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Steve 99L Black 03L Grey
Trucks
Dyno Chart

Posts: 27 | From: Castro Valley | Registered: Feb 2002 | :

RiddlerGT
Midnight King
Member # 113

posted

haha

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SR

Posts: 2292 | From: San Ramon | Registered: Dec 2000 | :

roseville5oh
¯
Member # 406

posted

quote:
Originally posted by 93PONY:
Eric,
How old is the Bassani? You *may* be able to coax Bassani into an exchange...your old one sent back with some $$$ in exchange for a new one.
*Precisely why I don't want a used one!*

Shaun - I bought them brand new off of some guy in Texas back in May. I'm gonna call Bassani and see what they will do.

Eric

--------------------
'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

roseville5oh
¯
Member # 406

posted

sig test

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'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

roseville5oh
¯
Member # 406

posted

sig test again

--------------------
'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

roseville5oh
¯
Member # 406

posted

last time

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'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

VNMKING
¯
Member # 480

posted

Excessive miles.

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65’ Coupe
94’ Cobra
"VNMKING"

Posts: 1000 | From: Roseville, CA | Registered: Oct 2001 | :

roseville5oh
¯
Member # 406

posted

not to many miles on this X erik. I was running it way to rich now that I think about it.

--------------------
'91 blue/gray GT -SOLD :(
'03 DRZ-400S
'76 GMC Truck - building
'92 Chevy k2500 454

Posts: 369 | From: Roseville | Registered: Aug 2001 | :

Gear Head
JARED
Member # 779

posted

quote:
Originally posted by st5150:

This is not true.

Okaaay, if its not true why do they put that on the warning labels of most high octane boosters.

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Support our troops!

Posts: 5685 | From: EASTBAY | Registered: Jan 2002 | :

PunkINa5.SLOW
¯
Member # 10

posted

Higher octane fuel wont make your car run richer.

It will effect the burn in the combustion chamber.

No stock EFI mustang without a power adder needs any octane boost if it is using 91 octane.

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OUTTA THA DRAMA

R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03

Posts: 2495 | From: MTZ | Registered: Sep 2000 | :

93PONY
Mr. Valve Events
Member # 60

posted

My impression of octane boost & the effects on cats:

Stock/lightly modded 5.0 running 91 octane: Runing rich will send unburned fuel out the exhaust. When it reaches the cats, it ignites causing damage to the cats.

Same car with octane boost (the stuff that actually works)... The higher the octane, the slower the burn of the mixture. Depending on many factors, this could send unburned fuel out the exhaust....to the cats & ignites causing damage.

--------------------
www.advancedenginedevelopment.com
SCT dealer
Dynotuning

(916)715-7569

Posts: 4266 | From: Fair Oaks, CA | Registered: Nov 2000 | :

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