I HAVE A 1985 GMC C1500 305 H MOTOR CANADAN MADE...

  • Tiny
  • devron
  • 1985 GMC C1500
  • 11,800 miles

I have a 1985 gmc c1500 305 h motor canadan made with all the garbage on it smogg pump etc. My state does have inspections ect. I bought a carb. 500cfm and a new intake manifold, and a regular distrubator hei, my question is can you tell me everything I can get ridd of so when I add the new stuff it will run better, my truck isnt computerized eather. Also should I get rid of the tip in tip out switch on the firewall? Some say yes some say no I dont even know whats it for thank you.

Wednesday, December 19th, 2012 AT 5:33 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

Disabling emission controls is against Federal law and we cannot advise you to do that.

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Wednesday, December 19th, 2012 AT 5:39 PM

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