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Thread: New topend rebuild but can't get rid of the backfire
          
   
   

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  1. 04-28-2013 11:39 PM #3
    pat mccarthy's Avatar
    pat mccarthy
    pat mccarthy is offline CHR Member/Contributor
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    its not going to back fire with a 1/4 pre load on the lifter i set hyd lifters like that for 30 years but can be abit loud. have you checked that you have true TDC damper like a OEM damper ring can slip. timming curve is wrong or sticky ? you said it pops under a load ? bad plug .. lean pop ? plugs wire . cap ,rotor. cam could be going south many other things as well as .check engine with a vacuum reading
    Last edited by pat mccarthy; 04-28-2013 at 11:47 PM.
    cffisher and mikesaik like this.
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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