Does anyone have pics of desmogged motor?

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...2. Why is it that your gas millage goes up when you d-smog? I thought the purpose of these systems were to recycle the non-burnt gas back to the system to be burnt and then the catylic converter cleans up the emissions.

Most go up in mileage because the smog systems are broken or not hooked up right.

The extra real estate under the hood and the simplicity of what's left is nice, though.

:beer:
 
This may or may not help but....

These are some diagrams I made up a long time ago and posted on the web and mentioned on the LCML. I have since seen my diagrams posted on various sites.

This one is a Jim Chenoweth edited copy of my emissions diagram that I sent him and he then sent back marking what needs to come off/out:
http://home.kc.rr.com/richadams/desmogJimC.jpg

This is the piping schematic I drew up based on the component diagram above and then had JimC approve it:
http://home.kc.rr.com/richadams/JimCapproved.jpg

The schematics came from an '86 Emissions book and I applied them to my '85 60 with no problems. I knew the schematic inside and out and could apply it blindfolded on any 2F back then,,,it's been a long time since I had to do a de-smog however and I prolly forgot a lot.

Since I am getting relocated to Denver for my job, I guess I will have to un-desmog my 40.

Rich
 
Totaly De Smoged 2FE

Not a vacume hose to be seen.

DSC00101.jpg


DSC00103.jpg
 
Does anyone know of a Japan market only 2f that came from the factory without smog? If so are there any photos?


We had the unsmogged 3F carbed engine until 94 in a 7* series. This is the 3F in my 73 series,factory unsmogged.
All of the hoses on the right are for the aircon fast idle up.
These had a different carb to the 2F
I could hit 90 mph with the right wind:D.(the 73 is a bit lighter than a 60;))
robs pics 005 (Small).webp
 
So is the general feeling that a de-smogged 2F runs much better than a smogged truck?


Zack
 
Thank you for the pics- that 3f carbed is a thing of beauty. i am still on the hunt for the elusive 2f factory non smogged.
 
Is it yours? Have you gotten installed? If so, how does it drive?
 
Is it yours? Have you gotten installed? If so, how does it drive?

Yep mine see the build thread in my sig, installed by this Friday then off for some fabrication work.

Turn the key mid-late April :steer:
 
That is really nice Matt. You must be chomping at the bit to hear that one start up the first time. Good job.
 

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