How to Remove EGR, Hoses, Vaccum, etc.....

[supra_89_vang]

Hi,

I would like to remove un-need stuff off my supra. I would like to remove the EGR, any un-needed vaccums, hoses, wires, etc.... but need some help on how and what to remove. Let me know what I can remove on my supra. Thanks

 

[GrimJack]

This depends on where you live, what types of emission tests you need to pass, how much money you are willing to invest, and how much performance / reliability you are willing to lose.

 

[supra_89_vang]

I live in Madison, WI therefore I dont have any Emission testing required. I am planning on about 400+ hp, dayly driven with abs and AC.

 

[tlo86]

cruise control for one

 

[Nick M]

If a component is not required, why did Toyota put it on the car?

 

[tte]

Depends on what component it is...For example the 1st cat on the downpipe.
So many owners have replaced the stock downpipe woith cat on it with 3" downpipe with no cat and it passes emissions.

Cheers,
Roy

 

[Doward]

Correct, depends on WHY Toyota put it there - if it was just to reduce emissions (cat) then ditch it.

EGR was put in to reduce emissions, and also to reduce EGTs - If you remove EGR, have a standalone ready to adjust your timing.

Charcoal canister, KEEP.

As for the vacuum lines, sure - you can always re-run them around. If you go with a MAP based piggyback/standalone, you can eliminate the vacuum line from the ISC, for instance.

Basically, if you don't know why the hell something is there, and how it works, DON'T TOUCH IT.

 

[Kai]

Doward - remember, EGR only existed in certain markets. Like here, it only existed on the really late models. We never had this charcoal canister thingy either.

 

[Doward]

You had no charcoal canister overseas? What did they do to vent the fuel tank?

As for EGR, I'm pretty certain Toyota would have changed up the timing a bit, if you had no EGR

 

[Nick M]

I have information that says the first cat is for NOx reduction. And people do fail their smog test with it missing.

There are various threads here for emission failure, who no longer run the two factory cats.

 

[marc3]

they didin't have egr's overseas either! or atleast the jdm 7m i have doesn't, it has original block off plates

 

[Kai]

Nope - no charcoal canister for definite. And EGR is an anomaly here, i think only some of the very last off the line ones had it....probably just getting rid of parts...

 

[tlo86]

in colorado you just need 1 cat... even with one cat i passed with flying colors.. and i used a high flow cat 3''

 

[Nick M]

In Colorado, you need two cats, or you fail visual. Thank the Lord for dumb asses.

 

[dtwsupra]

You can loose your charcoal canister and theN drill a small hole in your gAS CAP

 

[Enraged]

or just install a vented gas cap.

 

[gilberjj]

or just install a vented gas cap.

haha...... no kidding. i vented gas cap can't cost that much

 

[gilberjj]

Charcoal canister, KEEP.

As for the vacuum lines, sure - you can always re-run them around. If you go with a MAP based piggyback/standalone, you can eliminate the vacuum line from the ISC, for instance.

Basically, if you don't know why the hell something is there, and how it works, DON'T TOUCH IT.

i was hesitant to remove my charcoal canister, but an engine builder that was helping me said hes removed every cc on any car hes ever owned, and it never smelled like gas. so off it came. also, about the isc, i have a map ecu, so i won't have to run vacuum to it????