it took me a second to get that
Gutted the CAT!
Thread Starter
Melting Slicks
Joined: Jul 2007
Posts: 2,063
Likes: 17
From: Lee's Summit MO
Gutted the CAT!
Not too bad of a job. I've sure done worse jobs!
Anyway, I'm impressed with how much better the car runs. Better throttle response, better power, MUCH better sound. (Deeper, "throatier", louder!)
Definitely feels like I have much more power.
The back bolts were the first ones off. Came off very easily.
Front bolts had to come off with an impact wrench.
I did pre-soak the bolts with PB Blaster for about 30 minutes prior to removing them.
Once I got it off, I took a long pry-bar and busted out the internals.
Looked like partially burned charcoal.
Very easy to break out.
Cleaned it up, painted silver with Dupli-color 1200* Hi-Temp paint.
Re-installed.
P.S. It's a lot easier to remove the bolts if you loosen the heat shield and remove the connection to the air tube.
Any questions, feel free to ask....
Anyway, I'm impressed with how much better the car runs. Better throttle response, better power, MUCH better sound. (Deeper, "throatier", louder!)
Definitely feels like I have much more power.
The back bolts were the first ones off. Came off very easily.
Front bolts had to come off with an impact wrench.
I did pre-soak the bolts with PB Blaster for about 30 minutes prior to removing them.
Once I got it off, I took a long pry-bar and busted out the internals.
Looked like partially burned charcoal.
Very easy to break out.
Cleaned it up, painted silver with Dupli-color 1200* Hi-Temp paint.
Re-installed.
P.S. It's a lot easier to remove the bolts if you loosen the heat shield and remove the connection to the air tube.
Any questions, feel free to ask....
Tech Contributor
Joined: Aug 1999
Posts: 14,379
Likes: 6,390
From: At my Bar drinking and wrenching in Lafayette Colorado
I just took my gutted cat, threw it in the trash, and got a nice, new functional stock cat and installed it. How sweet it is to pass emissions with no problem and have a car that runs right... You guys in the farming States with no emissions testing don't have much longer of that freedom... you're going to be looking for "emissions restoration parts" within just a few years...
Le Mans Master
Joined: Apr 2000
Posts: 5,202
Likes: 10
From: cincinnati ohio
St. Jude Donor '09
I just took my gutted cat, threw it in the trash, and got a nice, new functional stock cat and installed it. How sweet it is to pass emissions with no problem and have a car that runs right... You guys in the farming States with no emissions testing don't have much longer of that freedom... you're going to be looking for "emissions restoration parts" within just a few years...
Leave the converters alone. If you want to hot rod your stuff buy a pre catalytic car or run the high flow stuff, it works!Removing this type of emissions is what has the Feds panties in a knot and will force stricter enforcement on all of us
Burning Brakes
Joined: Dec 2007
Posts: 952
Likes: 0
Magnaflow makes some high flow stuff.
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Le Mans Master
Joined: May 2005
Posts: 9,996
Likes: 0
From: if you have a ? on my avatar, please contact me directly, you spineless twit
St. Jude Donor '09
here in Az, they realized finally that classic automobiles provide such an insignificant amount of contibution to the emissions problems that if you register as a collector vehicle, emissions isn't required.
Just can't be your DD or work vehicle...my junk's coming off soon.
Just can't be your DD or work vehicle...my junk's coming off soon.
Burning Brakes
Joined: Aug 2006
Posts: 1,155
Likes: 0
From: San Diego California
I just added a new 3 inch Magnaflow. No significant restriction on flow and I gotta pass smog in California. Car Craft did some dyno testing recently on a 400 hp engine and found a modern cat lost only about 5-10 hp at very high rpms. Good reason to go green and forget about the old pellet style cats that were corks in the system.
Burning Brakes
Joined: Nov 2005
Posts: 924
Likes: 15
From: DFW Metroplex Texas
Breaking a Federal law was never my idea of fun.
A free flowing CAT is the way to go IMO.
Racer
Joined: Dec 2005
Posts: 474
Likes: 127
From: Stafford Virginia
I know you're pre 75 but you clearly throw out more emissions with the rocket ship you've built
Le Mans Master
Joined: Apr 2000
Posts: 5,202
Likes: 10
From: cincinnati ohio
St. Jude Donor '09
