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Old 04-24-2021, 11:29 AM   #1
72farmer
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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.
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Old 04-24-2021, 02:42 PM   #2
v30crewcab
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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.
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Old 04-24-2021, 10:34 PM   #3
Just call me Sean
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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.
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Old 04-25-2021, 03:00 AM   #4
franken
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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.
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Old 04-25-2021, 07:31 AM   #5
Getter-Done
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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









.
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Old 04-25-2021, 10:41 AM   #6
1976gmc20
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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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