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-   -   To much emmision junk on this 79 C10 (https://67-72chevytrucks.com/vboard/showthread.php?t=821056)

72farmer 04-24-2021 11:29 AM

To much emmision junk on this 79 C10
 
My dad bought this LWB brand new in 79. It has been sitting in a shed and not started in about 12 years. It is a Scottsdale and has a 305 engine with a 2 barrel Rodchester carb. 46,000 original miles on it.
I pulled it home yesterday and started on it. I drained all the gas out of the tank and put fresh in. I got it started after sitting for 12 years. It runs pretty rough (wont idle and backfiring through the carb.) and still has all the factory emissions crap on it.
Can i just take all the vaccumn lines off of the EGR, charcoal canister etc. and plug them at the carburator?
I know i have other fuel/carb. issues that i gotta deal with but i would like to delete all this stuff if i can.
It also may have a worn cam lobe but i will have to check into that futher.
Trying to upload some photos with no luck.

v30crewcab 04-24-2021 02:42 PM

Re: To much emmision junk on this 79 C10
 
I would start with rebuilding the carb. I'm sure its full of dried up fuel causing it to run lean and backfire.

Just call me Sean 04-24-2021 10:34 PM

Re: To much emmision junk on this 79 C10
 
There is no reason to delete the charcoal canister, unless you like a truck that stinks like gas.

franken 04-25-2021 03:00 AM

Re: To much emmision junk on this 79 C10
 
It isn't an answer you want, but federal law states that it's illegal to mess w/ the emissions crap.

Getter-Done 04-25-2021 07:31 AM

Re: To much emmision junk on this 79 C10
 
If you take the components off or block them .

It would be a good Idea not to harm them.

They are a desirable part to a person restoring one to factory condition.

Just a suggestion:chevy::ito:









.

1976gmc20 04-25-2021 10:41 AM

Re: To much emmision junk on this 79 C10
 
Somebody had already removed the AIR pump from my 76 that was built for CA.

But they left all those damn tubes so I took them off and plugged the manifolds with a bunch of I think 1/4" PT plugs from the HW store.

I also wired open that stupid flipper valve in the passenger side exhaust because it kept sticking shut.


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