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03-17-2024, 04:14 PM
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#1 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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1980 K10 Keep air pump or delete
Hello
I have a 1980 K10 350 4spd Ac truck.All my others are pre air pump trucks. I need to replace the carb. Wondering if I should eliminate the Air pump and all that goes with it. There's vacuum lines going every where. Thanks for your thoughts |
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03-17-2024, 06:38 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: 1980 K10 Keep air pump or delete
Do you have to pass a visual inspection come smog test time.
What carb are you going to use? |
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03-17-2024, 07:05 PM
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#3 |
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Registered User
Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Re: 1980 K10 Keep air pump or delete
Nope don't have to pass any emission tests. Thinking of just a quadrajet with electric choke.
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03-17-2024, 07:45 PM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: 1980 K10 Keep air pump or delete
Not a lot to be gained ripping stuff out. Looks better maybe but might cost you 10 hp at 5 grand.
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03-17-2024, 08:12 PM
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#5 | |
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Active Member
Join Date: Jan 2008
Location: Escondido, CA
Posts: 162
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Re: 1980 K10 Keep air pump or delete
Quote:
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03-17-2024, 08:25 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: 1980 K10 Keep air pump or delete
Well gosh darn I worded that wrong!
Would you like me to try again? |
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03-18-2024, 05:48 PM
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#7 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,610
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Re: 1980 K10 Keep air pump or delete
Delete. You won't unlock 50 hidden HP but at this age, the air pump could fail at any time. Might as well pull everything during the carb swap. Check the threads on the plug sizes needed for the manifold holes.
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03-18-2024, 06:28 PM
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#8 |
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Registered User
Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Re: 1980 K10 Keep air pump or delete
Thanks I know it won't change HP much one way or the other. I was more concerned with having to chase leaks in all the vacuum lines and plastic T connectors it has a lot. I didn't want to replace all of those.
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03-18-2024, 06:38 PM
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#9 |
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Registered User
Join Date: Dec 2014
Location: Tucson, AZ
Posts: 742
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Re: 1980 K10 Keep air pump or delete
Save the parts.....take a look at what a.i.r. pumps go for now, assuming you can find them, that is.
__________________
1987 V20 farm-hand rescue 1998 C2500 lot-rot rescue |
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03-18-2024, 06:49 PM
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#10 |
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Born Psycho
Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,935
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Re: 1980 K10 Keep air pump or delete
just don't bring the truck to "the people's republic of commifornia" and try to smog it, LOL. by the way I just sent in my renewal for my 80 K20 this morning $304.00
 as someone else said take it off but don't throw it away.
__________________
jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
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