mod motor swap for emissions

carbed 85 gt · Feb 9, 2007

Hey so I am heading back to the mainland from Hawaii and depending on the job may end up in an emissions testing area like Maryland or something. I dont want to get rid of my fox and my emissions stuff is gone. WHat about swapping in a 4.6 2v with a kenne bell. Still a lotta fun and should pass a lot of places except cali. Just keeping stock cams and such. DO I have any good alternatives?

BlownFiveLiter · Feb 9, 2007

Why wouldn't your current combo pass emissions? The TFS kit is emissions legal, so if you retained your emissions equipment, you should have no problem passing.

LB0193 · Feb 9, 2007

just get a show car exempt or something IL just got rid of emmissions on 95 and older cars i am in my glory

2000xp8 · Feb 9, 2007

With no emmissions equipment a mod motor likely won't pass either. Put a catted x pipe on, and in most cases that will get it to pass.

LB0193 · Feb 9, 2007

I dont know about that I had the factory h-pipe on my ride and it failed....due to mods......emmisions is strict but then again its gone here YES!!!!!!!!

carbed 85 gt · Feb 9, 2007

With all emissions in place(stock cat H) would the stage 1 cam pass?

795.0pacecar · Feb 9, 2007

Tuning is key. If you have all the emissions stuff on your car and a well tuned engine, you should pass no problem.

LB0193 · Feb 9, 2007

carbed 85 gt said:
With all emissions in place(stock cat H) would the stage 1 cam pass?

doubtful

2000xp8 · Feb 9, 2007

I disagree, it should pass, if properly tuned. If these parts get cali smog legal certification, they should pass with ease most other places. I've seen 5.0 mustangs that make upwards of 450rwhp pass emissions.

Properly tuning and injected make all the difference, if your injectors are too big, it will likely load up on idle and not pass.

carbed 85 gt · Feb 10, 2007

OK herves what I got . 24lb/hr frpp injector and a holley 255lt/hr pump setr at 28psi at idle and a bit more for N/A cars

2000xp8 · Feb 10, 2007

It should pass with cats.
Some states have visual inspections too, but in NJ a 20 year old car is really too old for them to figure out, so if the sniffer says it passes, it passes.

Before my most recent combo, my car had passed with stock cats, no egr and no air pump.

mod motor swap for emissions

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