Effects of no converter?
Thread Starter
Senior Member
Joined: Dec 2004
Posts: 909
Likes: 1
From: New York
Car: 91 Firebird
Engine: 3.1 V6
Transmission: TH-700-R4
Effects of no converter?
Besides not passing emissions,what are the other downsides of not having a cat?
Less fuel economy? etc...?
Less fuel economy? etc...?
Moderator
Joined: Jul 2001
Posts: 5,225
Likes: 70
From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Joined: Feb 2001
Posts: 13,758
Likes: 560
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Besides the smell you are likely to hear poping, rasp and drone at speeds. Your muffler selection will dictate this a lot but even at that you are bound to have it. The cat does an amazing job of sound reduction. My car almost sounds the same with my cat on or off.
Member
Joined: Oct 2004
Posts: 423
Likes: 1
From: Hobby/SE Houston tx
Car: 87-Z r.i.p & 93-Z sold 99s-10
Engine: 305 TPI , 350 LT1, 2.2 4cylinder
Transmission: 700 R4, 4l60, ?
one of the downsides would be settin off alot of alarms when you cruise....
poor people
poor people 
Thread
Thread Starter
Forum
Replies
Last Post
Hotrodboba400
Firebirds for Sale
3
Dec 10, 2019 07:07 PM
BADNBLK
Convertibles
65
Feb 10, 2016 03:36 PM
Hotrodboba400
Firebirds for Sale
0
Sep 2, 2015 07:28 PM