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Thread: 83' K20 problem
03-18-2010, 02:03 AM #1
83' K20 problem
well, seems the K20 3/4 ton i have doesn't like driving fast anymore. after by passing the fuel line to the driver side fuel tank, fixing the front u-joints, and basic stuff ie oil. it'll get up to 30-40mph or so then just cough and quit, it'll die if i push it otherwise it just sputters until i slow down. i had accidentally taken the vacuum line off from the tranny to engine, but have since put it back. bear in mind the fuel tank has not been used in 4-5 yrs and i just bypassed the tank selector valve Replaced fuel filter, got new plugs wires and cap/rotor. waiting on a 6mo old Edelbrock Carb to replace old one.1983 Chevy Scottsdale 4x4 350cui snow plow
OIF 2008-2009 Baghdad
B Co 1-22INF 1BCT 4ID
"Regulars By God"
Infantry "Follow Me!"
03-18-2010, 08:27 AM #2
Welcome to the site!
My first thought was the fuel filter, but you've covered that. The carb may be out of adjustment, or clogged internaly.
Check your exhaust to see if the cat convertor is clogged up. I've seen plenty of 30mph vehicles find the benefit of a 3ft crow bar!
1999 Chevy K2500 Suburban 350
K&N, reworked cai, Thrush cat-backs
Vinyl, cranks, floor shift, and rear air!
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