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Old March 16th, 2007, 03:17 PM   #1
karl214
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Default 4.3 L heads

I have a pair of heads off of a 99 GMC Jimmy, 4.3 L.. vortex would like to get at least $100.00 for the pair... They came off of a running Jimmy that had a BAD ROD knock... around 150,000 miles on them
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Old March 16th, 2007, 05:56 PM   #2
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I have a 94 4.3 vortec would they work?
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Old March 16th, 2007, 08:00 PM   #3
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FYI, out of the box, 1996 and up 4.3l heads flow better than 92-95 4.3l vortec heads after a mild port job.

The intake manifold side differs across that 96 gap. If you're running a carb'ed or TBI motor, then you can buy these newer heads and pick up a GM performance or Edelbrock carbed manifold to go with them. The exhaust ports and accy holes did not change.


Short answer jmdzuk.... not a bolt on for you.
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Old March 17th, 2007, 06:33 AM   #4
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thanks
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