1971 GMC C1500 carburator

Tiny
CWBOYOUTLW
  • MEMBER
  • 1971 GMC C1500
  • V8
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
Hello, I have a 71 gmc 1500 and it has a 350 with a alum. Edelbrock performer intake and a 650 cfm carb on it I live in the mountains outside albuquerque nm at about 7000 ft above sea level what size of jets and/or carb should I be using for optimal performance? Thank you
Tuesday, August 18th, 2009 AT 7:10 PM

1 Reply

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
You fail to mention what kind of carburetor you had, if there is a speech shop in Albuquerque they will sell a profile Kit for your carburetor, which will come with a variety of jets and everything you need to set it up, if there is no shop you can either get online, or go to a real parts store and they will order the kit for you. It will come with the charts with specifications for your altitude.
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Monday, August 31st, 2009 AT 5:57 PM

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