Engine Blew on 96' GG80 need help for California Compliant LS Swap

[White Stripe]

That's always what's gotten me about emissions testing in CO. I've failed visual a few times over the years, but if the emissions pass the sniffer test, who cares what's attached to what under the hood? If the stated goal of the program is to make sure all registered vehicles meet pollution standards, the ONLY THING that should matter is what comes out the exhaust.

Yeah it makes no sense to me either.

 

[EricG]

I thought adding the gm fuel tank sender was fairly easy. Fuel tank pressure sensor wasn't too bad either. I'm in Colorado so they aren't quite as strict, but they are still strict. Pick a model year engine that doesn't have air injection. The referee will tell you what that is. I think there are aftermarket bypass modules available if you aren't allowed to tune out vats that fool the ecu to think vats is working. I would be surprised if they can actually tell if vats is deleted-or if the ecu is modified at all. I think some of these stories are just rumor or a cranky referee. Thus find a referee first. My referee was kind of finicky, but he respected I contacted him first, then he saw I implemented his guidance. I made it clear to him I wanted to follow the rules. In the end he liked the swap. I didn't find adding the emissions really hard. It was hard to find the info on how to do it because many just do a ls swap without the emissions stuff. I've noticed that ls swaps with all the emissions included seem to increase vehicle overall value far more than swaps without emissions. 80 series with emissioned ls swaps seem to sell for twice as much or more than a non emission swap. I don't understand why California is so strict. The extra rules they have makes extremely minimal difference in emissions. Your already making the vehicle more efficient with a LS swap that has bare bones emissions. The extra rules just prompt people to make workarounds. If you want to pay to have all this done in a shop I'm sure California has plenty of engine swap shops to choose from. If your going through all this work, really try to swap in a 6.0 if they will allow it. Since they usually don't allow you to swap from a 2500 truck, you as I said will have to find a 1500 6.0 Yukon which is a little harder to find.

Can you elaborate on how you did this? That's the last thing missing from my swap with respect to emissions. I put the fuel tank pressure sensor on the vent line by the charcoal canister.

 

[White Stripe]

Can you elaborate on how you did this? That's the last thing missing from my swap with respect to emissions. I put the fuel tank pressure sensor on the vent line by the charcoal canister.

Its in my build thread. Builds - Urban Assault Cruiser 92 FJ80 - https://forum.ih8mud.com/threads/urban-assault-cruiser-92-fj80.1021843/

 

[bicycleagent003]

That's always what's gotten me about emissions testing in CO. I've failed visual a few times over the years, but if the emissions pass the sniffer test, who cares what's attached to what under the hood? If the stated goal of the program is to make sure all registered vehicles meet pollution standards, the ONLY THING that should matter is what comes out the exhaust.

Here in CA there will be no internal combustion engine vehicles vehicles sold new as of 2035, if the edict Gov. Newsom issued last year holds and is not postponed. While I agree that the guv'ment should only care what is coming out of the exhaust, not what is under the hood, and that any modern engine is going to create less noxious gases than our beloved 1FZ-FE, I think the route CA is headed in is that they want to reduce the number of gasoline burning vehicles on the road.
From that perspective, it makes sense that they would prohibit V8 repowers of aged vehicles like ours. They want us to be the last owners of these trucks, and they want us to scrap them when the engine blows. They don't want us to install a new V8, or a new or rebuilt 1FZ-FE. They can't prevent the latter, so they're preventing the former. Not that our 80 Series are even on their register, but by prohibiting V8 repowers in general of older vehicles, they are sure to reduce the number of older vehicles on the road over time. I don't agree with it, but it makes sense based on their goals.

 

[SoCal80series]

Getting a good feel for this projct I think I am going to look into finding (if it can be found) a new short block. Does anyone know the product number on the fz-fe short block motor? That would be a great help.

 

[cahill]

11400-66041

 

[jaymar]

Getting a good feel for this projct I think I am going to look into finding (if it can be found) a new short block. Does anyone know the product number on the fz-fe short block motor? That would be a great help.

Be sure check state regs, especially if going with new top end as well; I THINK the only block components in production are the of the 97 persuasion, so they'll have provisions for '97 smog stuff. Could be that forces you to '97 smog standards, not sure. Could be there's little/no diff if you're in a '96. FWIW.

 

[SoCal80series]

I just bought the 1fz-fe short block. I am officially out of the LS market. Now I can get the GG80 back on the road sooner.

 

[SoCal80series]

Be sure check state regs, especially if going with new top end as well; I THINK the only block components in production are the of the 97 persuasion, so they'll have provisions for '97 smog stuff. Could be that forces you to '97 smog standards, not sure. Could be there's little/no diff if you're in a '96. FWIW.

Thanks for the heads up. I didn't even know there was a difference between 95-97 in the motors.

 

[orangefj45]

FWIW, we completed an EROD swap FJ62 about two months ago and it passed the ref ......... But like others have mentioned, it's getting more and more difficult

 

[basalt51]

@SoCal80series - Wondering what you ended up doing?

And wondering how a 1ufze from a complete LS400 would go these days in CA vs the GM route. '97 LX450 and '97 LS400.

 

[dallen341]

My understanding of the rules from when I last read is doing OBDII into OBDII is CARB looks at smog as a system. Meaning, if the donor vehicle incorporates use of a Body Control Module as part of engine control management, the BCM needs to come over to the vehicle getting the swap. Also, check sum in the PCM is being checked so changes such as feature delete (VATS) or component delete (BCM) reports the wrong check sum.

much easier to put OBDII into a OBDI vehicle.

it’s been a while since I have read thru it but CARB has a publication that details the rules. Suggest study it before making and decisions.

go visist the local referee…they are generally helpful with info.

 

[Devils Paw 80]

@SoCal80series - Wondering what you ended up doing?
See post 48. He bought a new FZ short block.