× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1977 GMC C15 5.7L Poor Idle Quality
Posted to GM Driveability on 4/8/2003 4 Replies

I took this truck for a emissions test and the results came in like this;At idle;(Co limit 8/result 4.01)(Ho limit 800/ result 176);At 2500 rpm (Co limit 6.5/result0.92)(Ho 700/ result 49).This truck has a 350 engine that hes been bored .060,a holley quadrajet...

4 Replies Received (View Replies)

  Related Documents & Media  1977 GMC C15

 
Message Closed w/FIX

car Vehicle Data

1977 GMC C15

VIN TCD147B505
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4bbl
Emissionsus fed
SymptomsPoor Idle Quality
OccursIdle
Message Closed w/FIX

car Vehicle Data

1977 GMC C15

VIN TCD147B505
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / 4bbl
Emissionsus fed
SymptomsPoor Idle Quality
OccursIdle