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'84 Engine Replacement

Discussion in 'GM Powertrain' started by flyinfish, Jun 11, 2010.

  1. flyinfish

    flyinfish New Member

    I have and '84 Chevy 3/4 ton with 350 and manual transmission. Living in California poses some issues with our draconian smog laws as I would like to replace the stock engine with a GM Performance crate engine. I don't want to get overly radical and am considering either the 290 HP or the 330 HP models. I can put all the smog equipment on it so it will pass the visual smog inspection but my concern is after all the $$$'s and effort, will it pass the sniffer test? Has anyone done this? Know of someone who has done this? Any and all input is appreciated.
  2. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    You might consider swapping in a TBI system from an 87-91 gen truck/suburban. Or just bite the bullet and do a 5.3/6.0 swap with the full PCM.
  3. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Good cats with a properly tuned carb, and good timing and the motor should pass with flying colors..

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