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  1. 2.5L - 1st gen 4-banging
    Can anyone tell me the spark plug gapping for a base model 1989 Chevy S10 2.5L 4 cyl?
  2. 2.2L - 2nd gen 4-banging
    so this has been a 6 month journey for me, but my number 3 cylinder threw a plug. I had just replaced them so I figured I didn't tighten it completely. happened right as I was passing O'Reillys thankfully so I pulled in and got a new plug and installed it. no problems for about a week and it...
  3. 262ci Forum (4.3)
    I have a 1995 4.3 V6 Vortec s10 that I want to fix up. I want to change its plugs for good iridium spark plugs. I have seen many sites (carid,parts geek,even MSD) and all say the size 14mm and other measurements. Of course I’m not understanding them and I was wonder what are the exact...
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