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Thread: loping cold start
          
   
   

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  1. 09-14-2011 05:10 AM #9
    Bigbzc's Avatar
    Bigbzc
    Bigbzc is offline CHR Member
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    Apr 2011
    Location
    Simpsonville
    Car Year, Make, Model: 1978 Chevy K5 Blazer
    Posts
    82

    Quote Originally Posted by cffisher View Post
    A sharp bounce sometimes indicates a NON stock cam.........Did you mean Vac. or PSI?????
    Oops! My mistake. 20 to 23"Hg. After I decarboned the engine it regained some lost power which is good. This morning it only loped for about 2 seconds before idling normal. I did find a vacuum leak late yesterday at the throttle shaft; that could be why I keep getting a code 35 for the IAC. Does anyone make bushings for that? I can't find an aftermarket rebuild kit that has them (just gaskets and such). Also, this engine has never been out, never torn apart, all stock; owned it since it was new.
    Last edited by Bigbzc; 09-14-2011 at 05:12 AM. Reason: because I want to
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