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Old 01-22-2013, 04:25 PM   #31
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what are you doing about cats? doesn't the gen III have and upstream and downstream O2 sensors? my state is pretty strict in the metropolitan city areas on emissions. State law requires that a swap be model year equal or newer than what year it is going in, all emissions devices have to be present that were there from the factory, and a working ODB-II. They dont sniff the exhaust anymore, they plug it in and if the factory computer says all emissions components are working, you pass, if check engine light is on, they don't even plug it up.

Also does your pipes allow for upward flex at the control arms? glad to see the exhaust side of things, not a lot of builds show how everything fits inside the frame rails with the suspension and tcase and driveshafts all there.

Is there a possibility to run a cross tube from the driver side and y-pipe it into the passenger side exhaust (kinda how the factory 4 cyl dropped from the collector and crossed over to the pass side and went out) to get back to a Jeep factory exhaust run?
no need for cats when you can tune things out, rear 02s are just to monitor what the cats are doing, they do nothing for the motor. If tuned correctly you can ditch the front 02s as well. I ran my turbo silverado for a few yrs without any 02s. Not worried about emissions either as this vehicle probably wont see more then 5k so im under the rule of exempt.

as for rule if engine light is on that isnt truly true. it depends on how many flags are set. a light doesnt mean anything as someone can just remove the light or etc from that program, it comes down to the readiness monitors, with knowing the software well that isnt an issue for me. Never failed emissions in 7 yrs of owning the software and not having any of the crap on the silverado.

exhaust is routed so suspension can flex but since this build wont ever see any major off roading the range of movement is plenty

are you asking me if i could of ran a Y pipe system? yes i could of but chose not to for many reasons.

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Old 01-22-2013, 05:07 PM   #32
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Never failed emissions in 7 yrs of owning the software
What is the software you speak of? I do some tuning myself on ATV's and was wondering what you use.

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Old 01-22-2013, 05:14 PM   #33
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What is the software you speak of? I do some tuning myself on ATV's and was wondering what you use.
Use Hptuners for the GMs and use SCT for the fords
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Old 01-22-2013, 05:17 PM   #34
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I was just getting at, in my state, Missouri, and in the St Louis metro area, you can not run without cats, because they were a factory emissions item, and can not be omitted. As for our emissions inspection, you can't clear codes, because the ecu logs that it is below parameters. You fail, if the check engine light is on the they read a code that is air, fuel, spark or exhaust related... You fail. Something as simple as a misfire, that throws a code, fails you. I was asking because ecu's like O2 signals, they look for them, and a lack of one would throw a code, and fail you in my area.

The thought being that the factory has a computer on board that monitors and adjusts to meet emissions standards, as long as the ecu is working, and no codes, good to go to my state. It's not about fumes anymore, it's about computers
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Old 01-22-2013, 05:41 PM   #35
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I was just getting at, in my state, Missouri, and in the St Louis metro area, you can not run without cats, because they were a factory emissions item, and can not be omitted. As for our emissions inspection, you can't clear codes, because the ecu logs that it is below parameters. You fail, if the check engine light is on the they read a code that is air, fuel, spark or exhaust related... You fail. Something as simple as a misfire, that throws a code, fails you. I was asking because ecu's like O2 signals, they look for them, and a lack of one would throw a code, and fail you in my area.

The thought being that the factory has a computer on board that monitors and adjusts to meet emissions standards, as long as the ecu is working, and no codes, good to go to my state. It's not about fumes anymore, it's about computers
im telling you this as a someone who tunes for a living, you can set it up in a pcm that the codes will never fail.
also you dont need the 02s if the pcm is tuned correctly and still pass, theres alot about PCM programming that many dont understand or unaware of....
writing the program correctly will allow you to hook up to the state emissions computer and pass with flying colors and in countys that have emission testing this is all that is required, now a county that doesnt require emissions requires a visual...... granted you cant just go up to any inspection station but by the computer it will pass if pcm was wrote correctly
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Old 01-22-2013, 06:22 PM   #36
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Maybe I came across wrong in my earlier posts, I was not saying you were wrong, I was just curious as to how you were doing it, because it doesn't seem feasible to run exhaust like that where I live...and Missouri has never been know for its progressive laws so i assumed they are the same around the country.

I know you can make a ODBII communicate what ever you want the ecu to monitor. But the first time the inspector saw dual exhaust and no cats on a Jeep, a flag would be raised. If it came from the factory with an emissions device, you cant not remove it, regardless of how clean you are actually running.

that being said thats why I asked it you thought a Y-pipe and back into the stock exhaust with a cat in place (or hollowed out shell of a cat for that matter), would fit.

They used to just sniff here years ago, then they built these grand inspection stations with computers and sensors and a dyno, kicking the mom and pop shops out of the emissions business. (a lot of shops lost thousands when their brand new sniffers were deemed obsolete)

The "new" stations were run by the state and they would pull you up, and run your vehicle up to speed while monitoring the readings to get a PPM (parts per million) reading while sniffing....then after the techs we royally screwing up peoples engines and trans by running them hard, they closed all those fancy new stations down and they went to a straight ECU check, allowing the mom and pops back in the business of emissions. I agree, the average inspector would plug it in and say good to go...but if they noticed I had no cats, you would fail around me, because they can't sniff anymore to see how clean you are. And Hwy patrol would get to ask you how come you tampered with an emissions device on a vehicle (they can and will do that around here)

i was just curious as to how you were getting around it, not that you were doing it wrong.
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Old 01-22-2013, 06:24 PM   #37
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Use Hptuners for the GMs and use SCT for the fords
So what about Chrysler? And are there any write ups somewhere to tell you how to use the software?
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Old 01-22-2013, 07:13 PM   #38
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emissions exempt allows me to pass each yr without even hooking up to computer. stay under 5k and you can have a light on with no issues. this jeep when it was stock displayed the evap code cause of the rusted vent line [found this out when tearing it down] since the jeep was under 5k a yr there was never an issue...this stays true to the current build



Quote:
Originally Posted by Kevbz View Post
Maybe I came across wrong in my earlier posts, I was not saying you were wrong, I was just curious as to how you were doing it, because it doesn't seem feasible to run exhaust like that where I live...and Missouri has never been know for its progressive laws so i assumed they are the same around the country.

I know you can make a ODBII communicate what ever you want the ecu to monitor. But the first time the inspector saw dual exhaust and no cats on a Jeep, a flag would be raised. If it came from the factory with an emissions device, you cant not remove it, regardless of how clean you are actually running.

that being said thats why I asked it you thought a Y-pipe and back into the stock exhaust with a cat in place (or hollowed out shell of a cat for that matter), would fit.

They used to just sniff here years ago, then they built these grand inspection stations with computers and sensors and a dyno, kicking the mom and pop shops out of the emissions business. (a lot of shops lost thousands when their brand new sniffers were deemed obsolete)

The "new" stations were run by the state and they would pull you up, and run your vehicle up to speed while monitoring the readings to get a PPM (parts per million) reading while sniffing....then after the techs we royally screwing up peoples engines and trans by running them hard, they closed all those fancy new stations down and they went to a straight ECU check, allowing the mom and pops back in the business of emissions. I agree, the average inspector would plug it in and say good to go...but if they noticed I had no cats, you would fail around me, because they can't sniff anymore to see how clean you are. And Hwy patrol would get to ask you how come you tampered with an emissions device on a vehicle (they can and will do that around here)

i was just curious as to how you were getting around it, not that you were doing it wrong.
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Old 01-22-2013, 07:15 PM   #39
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So what about Chrysler? And are there any write ups somewhere to tell you how to use the software?
one of the other shop employee uses whats called CMR and that is thru Diablo which does the mopars....Im self educated in the world of performance tuning but some do offer classes for each software
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Old 01-22-2013, 07:32 PM   #40
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I am decent with normal computers but never messed with vehicle computers. Whole different world i suspect, especially with on-star and ford sync and such now.

Would be fun to learn some day, just don't have the time.

Also by Diablo, same people that make diablo performance chips?
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Old 01-22-2013, 08:38 PM   #41
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I am decent with normal computers but never messed with vehicle computers. Whole different world i suspect, especially with on-star and ford sync and such now.

Would be fun to learn some day, just don't have the time.

Also by Diablo, same people that make diablo performance chips?
i believe so, vehicle tuning isnt for everyone as you gotta know how a motor works and everything that needs addressed...Its possible you may catch on, i dont know you so cant say for sure...
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Old 01-22-2013, 08:44 PM   #42
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Who knows, if i can get a bachelors before i get out of the military, i gotta use the g.i. bill money on something. Might as well be automotive something or other. Maybe then I can finally make the fuel injection 5.0 swap work right in the old fairlane.
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Old 01-22-2013, 08:54 PM   #43
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Who knows, if i can get a bachelors before i get out of the military, i gotta use the g.i. bill money on something. Might as well be automotive something or other. Maybe then I can finally make the fuel injection 5.0 swap work right in the old fairlane.
most EFI swaps are as simple as hooking up a few wires..as long as you can read schematics and have mechanical knowledge its possible
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Old 01-22-2013, 09:03 PM   #44
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Biggest hold up is the car is in texas, and i'm in virginia. But yeah i just need to look at the schematics more. Basically it's figuring out what to cut out and what to keep and it's intimidating because i have never tackled something like that before. The fairlane only had a few wires and the donor car (88 town car) had this huge bundle of wires. Mechanically though, it is a 302 getting fitted with components from a 5.0. same block, that part is easy. Sorry it got so far off topic though, I will leave it at that.
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Old 01-22-2013, 10:08 PM   #45
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Biggest hold up is the car is in texas, and i'm in virginia. But yeah i just need to look at the schematics more. Basically it's figuring out what to cut out and what to keep and it's intimidating because i have never tackled something like that before. The fairlane only had a few wires and the donor car (88 town car) had this huge bundle of wires. Mechanically though, it is a 302 getting fitted with components from a 5.0. same block, that part is easy. Sorry it got so far off topic though, I will leave it at that.
Haha we aren't off topic we only wandered from a Chevy motor into a jeep to a ford motor into a fair lane haha, sounds like a cool project though
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Old 01-22-2013, 10:42 PM   #46
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Sorry, little triggers make my mind wander off in different directions. Like those dogs from that movie "UP", SQUIRREL!!!

It is a fun project though, if anybody wants to talk about it sometime just pm me or something.

But I am interested to see how this 5.3 mod turns out. Sounds fun, and I do like the engine. Would love to see it sometime, just to see how you guys made everything work. I love putting stuff in vehicles it doesn't belong in just to mess with peoples heads when they see it.
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Old 01-23-2013, 05:01 PM   #47
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since the next step of this project was to replace the brake lines, i went ahead and contacted INLINE TUBE and purchased their stainless steel brake lines, also decided to use the Earl's prolite 350 hose i had from a previous build. Contacted summit and ordered up the fittings required to do this job. Decided to keep the Jeep returnless which made things easiler
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Old 01-23-2013, 05:02 PM   #48
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Sorry, little triggers make my mind wander off in different directions. Like those dogs from that movie "UP", SQUIRREL!!!

It is a fun project though, if anybody wants to talk about it sometime just pm me or something.

But I am interested to see how this 5.3 mod turns out. Sounds fun, and I do like the engine. Would love to see it sometime, just to see how you guys made everything work. I love putting stuff in vehicles it doesn't belong in just to mess with peoples heads when they see it.
hopefully my build being documented helps with some of your questions. so far no major issues with anything.
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Old 01-23-2013, 08:04 PM   #49
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Thanks for sharing, looks like u used a kit from tranny to block gotta figure that one out.
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Old 01-27-2013, 07:49 PM   #50
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well got alot done today...first thing that was done was the advance adapters slip yoke eliminator. [this involves spilting the transfer case and changing out the rear output shaft]


next thing Her and I did was get body ready to be lifted and test fitted onto chassis. with having the motor tilted back some and the motor mounts cheated rearward as much as possible this caused a few clearance issues with the firewall. {with some massaging and trimming in spots] the Tub was drop onto the chassis. Using Daystar 1" body lift replacement body mounts. {these are Poly material and one piece unlike other body lifts]... Once tub was onto chassis it was time to test fit the hood to see if we had clearance...clearance is good so no need to modify the current hood.










so as you can see the little 31s look so tiny on this rig now, so soon the body will be pulled off and then the tub work will begin to start.....
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Old 01-27-2013, 08:53 PM   #51
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Sweet!
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Old 01-31-2013, 10:20 AM   #52
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looks good man, glade you took the time to paint and clean up everything while in there doing the swap. Do any internal performance mods to the 5.3, cam or such
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Old 01-31-2013, 11:09 AM   #53
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I HAD to go through the entire thread to get the whole story with this. Keep posting and pic'ing. What a labor of love!
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Old 01-31-2013, 03:57 PM   #54
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looks good man, glade you took the time to paint and clean up everything while in there doing the swap. Do any internal performance mods to the 5.3, cam or such
if you read the thread youll see what was done to the motor and thanks
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Old 02-07-2013, 02:04 PM   #55
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George, can you post some specifics of the parts you used for adapting the tranny to the engine and clutch parts. I am going to do the same swap but in a YJ and I am undecided whether to go with Novak or AA parts. I read somewhere that the adapter ring from Novak can be used with stock chevy clutch parts. Any info is greatly appreciated.
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Old 02-10-2013, 10:53 AM   #56
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i went with the AA bellhousing and the AA clutch kit setup
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Old 02-19-2013, 09:10 PM   #57
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well the tub and body parts were dropped off at painter, he got the inside of the tub done in Raptor

you can also see the clearancing done to firewall for the v8





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Old 02-23-2013, 09:33 AM   #58
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Looking good George
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Old 03-12-2013, 07:19 PM   #59
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Well we got the tub back from the painter, so heres the new color Its summit's Carbon Fiber Metallic, seems to have 3 approaches, in dark area its a dark gray, in over cast it a light gray as you can see and in bright light the color really pops with all the metallic in place and switches to a silver

so heres a few pics of it, yes it looks funny with the stock tires but only tires that allow the jeep to fit in the garage [lol]. if you look at the pics youll see the new stainless brake lines, we picked these up from INLine Tube






in these pics youll see the firewall clearance now after its been massaged some





and heres the new rubber we picked up, the wheels are at the coater getting recoated, The rubber are the generals 35x12.50x15s


while waiting for the rest of the parts to get back from painter, we got some assembling to do lol
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Old 03-13-2013, 08:33 PM   #60
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well got the wheels back from the coater and had the tires mounted. FIgured id toss them on and see where this thing stands at






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