CAT Question
Thread Starter
|
Junior User
Joined: Jan 2002
Posts: 80
Likes: 0
From: Raleigh United States
CAT Question
My 1979 Bronco with a 460, 7 inch lift, 38 inch tires, and dual exhaust with what looks like 3 to 4 inch pipes. I have no CAT on my bronco. I bought it without one. Here in Raleigh they do emissions system checks along with safety. I do have to big mufflers on the the bronco but am worried that they are going to fail because of no CATS and the 460. I was told that i cannot buy used CATS from the junkyard and actually kinda worried they wouldnt work anyways. Does anyone know if actually need them to pass because it is a 79. Will it even pass with the big 460. If anyone knows where i can get some cheap CATS to fit the Bronco that would be cool or even of how to pass inspection with or without them with no problem.
Joseph
Joseph
Elder User
Joined: Jun 2001
Posts: 997
Likes: 0
From: Corydon US of A
CAT Question
My guess's are that you would not pass at the moment, but in Indiana,I know some people have just told them that there 79's didnt come with cat's . you can get some high flow cats for reasonable prices sometimes. check out www.summitracing.com . There are ways to make an engine "temporarilly pass" most require makeing the engine burn the fuel very hot, using ether or something simialr. or turning the idle up, i wouldnt recommend doing this because it takes a long time to get them back to normal. and you do run a risk of causeing damage to the engine.
The easist thing i have seen though is just getting 11,000 ponund plates, in Indiana you they cant test vehicals with 11,000 pound plates.
hope it helps. Dave
The easist thing i have seen though is just getting 11,000 ponund plates, in Indiana you they cant test vehicals with 11,000 pound plates.
hope it helps. Dave
Laughing Gas
Joined: Jul 2001
Posts: 1,019
Likes: 3
From: Bismarck, ND
CAT Question
My understanding is that it's driven by the air quality of the city in question. Example: Charlotte may have a certain level of the bad stuff and be required to test all vehicles registered there, but other cities in NC may not have to.
Senior User
Joined: Feb 2002
Posts: 234
Likes: 0
From: CONNECTICRAP
CAT Question
You bet that truck is gonna fail. I had a '79 bronco with the 460. Mine had HOLLOW cats and I still got caught. My mechanic found them while doing some other work on the truck. He couldn't get the cigar out of his mouth fast enough to start yelling at me when I came by. He demonstrated this by hitting one of the cats with a rubber mallet and saying" You f@!&^ng hear that! Those f$^#*ng things are f*&$#ng hollow!" I didn't know the cats were hollow when I bought it and that is why he didn't report me right then and there. I sold it shortly thereafter, with tear in eye
, and said goodbye to the only truck I've had that could spin 36" mudders in 4WD with an auto tranny. And another thing, can you pass inspection with 38" tires? I thought the bumper had to be a certain height off the ground. What you'll probably have to end up doing is put a pair of aftermarket cats on and put a set of small tires to pass. Good luck with the ordeal. 1979 is still my favorite year for Ford trucks, unlike most of these grocery getter type trucks and suvs today.
, and said goodbye to the only truck I've had that could spin 36" mudders in 4WD with an auto tranny. And another thing, can you pass inspection with 38" tires? I thought the bumper had to be a certain height off the ground. What you'll probably have to end up doing is put a pair of aftermarket cats on and put a set of small tires to pass. Good luck with the ordeal. 1979 is still my favorite year for Ford trucks, unlike most of these grocery getter type trucks and suvs today.Trending Topics
Senior User
Joined: Aug 2001
Posts: 352
Likes: 0
From: Denver USA
CAT Question
I used to work at an emissions testing station in Colorado. I don't know how simiar the laws are but here are my toughts.
1. Chances are that they won't be able to tell that you've got a different engine in there.
2. If the engine is tuned up, it should't pollute much more than a 400.
3. I believe 79 Broncos came with a cat from the factory, therefore, you may need to install one before the test. Besides, modern cats aren't as restrictive as the old pellet style ones.
4. If it has a dual exhaust conversion, get a cat for each bank. Acutally, it's illegal to convert a single exhaust system with cat to dual exhaust system even if you install cats on the both banks, but I doubt that they'll flag you on that.
1. Chances are that they won't be able to tell that you've got a different engine in there.
2. If the engine is tuned up, it should't pollute much more than a 400.
3. I believe 79 Broncos came with a cat from the factory, therefore, you may need to install one before the test. Besides, modern cats aren't as restrictive as the old pellet style ones.
4. If it has a dual exhaust conversion, get a cat for each bank. Acutally, it's illegal to convert a single exhaust system with cat to dual exhaust system even if you install cats on the both banks, but I doubt that they'll flag you on that.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Logistics Pro
Joined: Jan 2001
Posts: 4,123
Likes: 2
From: Fort Smith
CAT Question
Well, maybe I'm just lucky, or maybe they are tighter on laws there, which I doubt since I live in the Atlanta area, but my 78 F150 with a 460 just passed emissions at the beginning of the month. My 460 has true duals and a Flowmaster on each side, no cats on it. Had no problems here...
Thread
Thread Starter
Forum
Replies
Last Post
KevinsMom
Bronco II
12
Aug 27, 2014 11:53 AM
