idling issues

  1. I

    Engine running like crap

    So I have a 1989 Silverado c1500 and it had the stock motor which was a 305. I took it out and put a brand new 350 K (https://www.summitracing.com/parts/nal-12568758) in it. I reused everything off the 305 that I could and I also put a mild cam in it...
  2. zer0Limitz

    IAC Issue? Rough idle in park & in drive. Please Help!

    I have a 97 Sierra SLE 5.7L 157k miles. Just fired the truck up today after maybe a month of sitting. I took it for a drive and once I got to a stop light I noticed the truck was running rough while idling (I'm fully stopped pressing brake at traffic light). I almost thought it was about to...
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