Does anyone know?
Thread Starter
Member
Joined: Apr 2000
Posts: 435
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From: SUDBURY ONTARIO CANADA
Does anyone know?
The symptoms of a severly clogged cat. converter?? I got a an 87 T/A,LG4 With dumped emmisions,open element.
Yesterday i passed a Mustang and played a bit with him. Anyway, all of a sudden i notice my car has a flat spot on acceleration. I also notice the Carb sounding like it's sucking too much air,The exhaust is making a grumbling sound on acceleration, and it's shifting like I have a shift kit(i don't) WTF did I break?
To top it all off, I had to go to the car show with my car running like this. Has anyone had this happen to them before??
Thanks for the help guys!!
Yesterday i passed a Mustang and played a bit with him. Anyway, all of a sudden i notice my car has a flat spot on acceleration. I also notice the Carb sounding like it's sucking too much air,The exhaust is making a grumbling sound on acceleration, and it's shifting like I have a shift kit(i don't) WTF did I break?
To top it all off, I had to go to the car show with my car running like this. Has anyone had this happen to them before??
Thanks for the help guys!!
Senior Member
Joined: Dec 1999
Posts: 770
Likes: 0
From: San Antonio, TX
Car: 86Z/92 RS Camaro
Engine: 357 vortec finished. need tuning
Transmission: Still works
Axle/Gears: need 3.73
I read here on the board that a severly clogged cat would smell like rotten eggs. Another symptom would be your engine temp would go up rather fast and the car would run like crap. I've never had this happened on both my 86 adn 92. If you do suspect it's the cat, take it to a muffler shop that will do a free inspection of exhaust system to include the cat.
Supreme Member
Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
I believe the cat will also glow.
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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite
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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite
Senior Member
iTrader: (1)
Joined: Nov 1999
Posts: 893
Likes: 0
From: Hayward, CA
Car: 91 camaro
Engine: 383
Transmission: T56
As mentioned, it'll glow, it might rattle or growl, rotten egg smell, the engine will run hotter, and in extreme cases it might get so plugged that the car won't run at all. But of all the bad cats I've seen, (ok, just two) I've never seen 'em glow or smell.
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91 Z28
Come see The Vicious...
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91 Z28
Come see The Vicious...