Will a lean-state harm a cat?
Thread Starter
Supreme Member
Joined: May 2003
Posts: 1,995
Likes: 0
From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
Will a lean-state harm a cat?
I am a bit lean at the moment, will it bother my cat? it's brand new, high flow. It smells like eggs out the exhaust on startup.
Supreme Member
Joined: Jan 2002
Posts: 1,322
Likes: 1
From: Bloomingdale,IL
Car: 91 RS
Engine: 305 Tbi (L03)
Transmission: 700r4
The biggest thing that will kill a cat is a misfire. So as long as its not so lean to cause a misfire you will be ok. While the rotton egg smell is not a common smell out the exhaust, it can be considered normal. It really depends on the air and fuel that goes into the engine.
Thread
Thread Starter
Forum
Replies
Last Post
LT1Formula
Engine/Drivetrain/Suspension Parts for Sale
7
Oct 8, 2015 08:34 PM
