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  1. poboy73

    86 GMC K1500 Crate 350-Adding HP without Removing Engine

    I am confused trying to understand the cam specs. Is the comp cam listed above ok to use with the stock heads on this engine or is there a different one you would recommend if I don't replace the heads Sent from my iPad using Tapatalk
  2. poboy73

    86 GMC K1500 Crate 350-Adding HP without Removing Engine

    305/70R17 Ridge Grappler 4:10
  3. poboy73

    86 GMC K1500 Crate 350-Adding HP without Removing Engine

    Thanks for the replies, so is the comp cam I am considering a good choice or would you recommend something else?
  4. poboy73

    86 GMC K1500 Crate 350-Adding HP without Removing Engine

    I had the carb and timing adjusted last summer in the local shop. I recall the carb needed some adjustment and it did run better after the changes. I haven't brought it to a performance shop and have them do anything on the dyno or anything like that.
  5. poboy73

    86 GMC K1500 Crate 350-Adding HP without Removing Engine

    I purchased this truck after a recent restoration and love the truck, however the new crate 350 they installed lacks the HP that I would like to see. It is a show truck and daily driver in the summer so doesn't have to win at the track but I would like it to have more pep than a Cavalier. With...

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