Cat Replacement
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Junior Member
Joined: Dec 2009
Posts: 23
Likes: 0
From: Kelowna, BC
Car: 1974 Camaro Z28 Type LT
Engine: 350 sbc
Transmission: Borg Warner T5
Cat Replacement
How do you know when to replace the cat in a car?
Long story made short, I've got an 89 Firebird with a sbc 305. It's got 300k+ km on it, and I'm pretty sure that it's still got the original cat in there. I know that cats will plug up over time, but I have no idea what symptoms it might show.
Long story made short, I've got an 89 Firebird with a sbc 305. It's got 300k+ km on it, and I'm pretty sure that it's still got the original cat in there. I know that cats will plug up over time, but I have no idea what symptoms it might show.
Senior Member
Joined: Mar 2004
Posts: 923
Likes: 2
From: Bakersfield, CA
Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: Cat Replacement
rattling inside the cat when you hit it.
lack of power the higher the rpm's go.
high emmisions.
cat glowing.
lack of power the higher the rpm's go.
high emmisions.
cat glowing.
Junior Member
Joined: Jan 2008
Posts: 24
Likes: 0
From: Southwestern Ontario
Car: '82 Z28
Engine: 305 LG4
Transmission: 200c
Axle/Gears: 3.42
Re: Cat Replacement
Had Midas install standard replacement unit in my '82 for around $250. Breaths a lot better and has a little more snarl/burble now. Have only 111,000k on car,
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Thirdgen89GTA
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