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1981 Chevrolet K5 Blazer Custom 5.7L Excessive Emissions
Posted to GM Driveability on 6/19/2006 11 Replies

Ok this blazer is not stock has aluminum heads angled plugs and no air pump and headers dual exhaust glasspacks. Thank you to start with. Vechicle came in not passing emissions idle test. I could not adjust carb lean enough to pass idle [...] then noticed head...

11 Replies Received (View Replies)

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car Vehicle Data

1981 Chevrolet K5 Blazer Custom

VIN 1G5EK18H0B
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4 bbl edelbrock
Emissionsidle test,220 hc 1.2 co
SymptomsExcessive Emissions
OccursAlways
Misc.Headers,Carburated,Dual Cats
Message Closed w/FIX

car Vehicle Data

1981 Chevrolet K5 Blazer Custom

VIN 1G5EK18H0B
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4 bbl edelbrock
Emissionsidle test,220 hc 1.2 co
SymptomsExcessive Emissions
OccursAlways
Misc.Headers,Carburated,Dual Cats