1994 Z-71 Cold start Runs bad 30 seconds??

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Catbox

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Location
Just Outside of Portland Oregon
First Name
Peter
Truck Year
1979
Truck Model
C20 Silverado Camper Special
Engine Size
461
No sir.
I poured the correct amount into the tank according to the directions on the bottle.

It seems to have helped.
I did the fuel pump a couple years ago, so that should not have caused the issue.

It still does some weird stuff every once in a while, but a can of Seafoam has made the difference.
 

Bextreme04

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May 13, 2019
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Location
Oregon
First Name
Eric
Truck Year
1980
Truck Model
K25
Engine Size
350-4bbl
I get the big can(~20oz) and put ~5oz in the oil 100 miles before each oil change and then pour the rest in the fuel tank. I've got dual 20 gal, so I alternate which tank it goes in each time. Seems to be cleaning out the gunk in the engine pretty good and keeps the whole fuel system cleaner
 

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