A little advice on timing a not so typical 91' 454 1 ton Burban'

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by BobEhud, Sep 24, 2011.

  1. BobEhud

    BobEhud Rockstar

    Im going to have the timing reset on Chub's today and it doesn't have the wire you disconnect.This has been converted to an older 454 and has ceramic headers,Edelbrock intake,Barry Grant Street demon 750 vac sec,true duals and runs just at the 1/4 way for temp.

    If i could do it wouldnt be bugging you guys BUT im in a cervical collar and cant.I was thinking 8 before TDc as a starting point..?Any advice on this would be great..

    ps i HATE not being able to wrench on my own s**#
     
  2. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    If the dizzy has vacuum advance, that needs to be disconnected to set base timing.
     
  3. BobEhud

    BobEhud Rockstar

    right on. i was going to do that sorry been doing this so long..i just forget people don't know me.going to crimp it off with a brake hose line lock. while doing the timing.Trying to see what others have had luck with as i am going to be not the one doing it.
     

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