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1998 Chevy Blazer knocking

Tiny
BLKBLZ1
  • MEMBER
  • 1998 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have a98 s-10 blazer 4.3L V6 262 cid&just put a new cam&lifters while a friend installed the cam bearings. The problem lies within timeing&misfiring&it knocks under 2500 rpm.I put new wires, plugs, cap, rotor, cmp&crk, sensors, timeing chain&youname it, &Istill cant figure it out. Think it may be something with cam? Ran clearance check& seemed to loose. WHat do you think?
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Tuesday, November 25th, 2008 AT 6:46 PM

1 Reply

Tiny
SWILLIAMS
  • MECHANIC
  • 597 POSTS
It sounds like the cam is timed wrong or there is a problem with the way you installed the distributor.
What does a scanner show for the timing and any codes it may have? What did the bottom end look like? I would recheck the cam and the timing.
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Tuesday, November 25th, 2008 AT 10:40 PM

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