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Thread: Broken header bolt and exhaust leak causing truck to run rich? fouling plugs

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  1. #1
    Join Date
    Jan 2011
    Posts
    20
    would the copper gasket maker be a permenant solution or just a band aid? Pulling the head and putting it back on is no trouble for me. The hardest part for me is extracting the broken bolts. Im not very good at that

  2. #2
    Join Date
    Jul 2008
    Location
    Mesa, AZ
    Posts
    5,979
    Quote Originally Posted by robg2001ls1 View Post
    would the copper gasket maker be a permenant solution or just a band aid? Pulling the head and putting it back on is no trouble for me. The hardest part for me is extracting the broken bolts. Im not very good at that
    Just a bandaid in all honesty. If you have a good extractor set its not hard. I had 3 broken bolts on mine got 2 with the extractor and broke the extractor in the 3rd. It's definitely easier with the heads off and on a bench. Obviously the absolute easiest solution is to get a new/used set of heads that has good bolt holes and just swap them.
    T-RAV
    99 GMC | 5.3 | Skinny White Guy Tuned

  3. #3
    Join Date
    Sep 2008
    Location
    Arizona/Utah
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    3,939
    Decent bandaid tho considering.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  4. #4
    Join Date
    Jan 2011
    Posts
    20
    I was able to extract one bolt on the passenger side and also put 2 factory gaskets on that side. Changed the plugs as well and fired it up. Significantly less leak but still lightly ticking. I guess i can live with it for a while. I may try the copper spray gasket if it gets worse until i eventually swap heads. Runs good and smooth. Im curious to see if the plugs will still foul out and how long it will take. Quick question on the TCC and brake switch hook up. I have a purple and a pink wire coming from the custom harness and a white and orange coming from the 87 truck. Which wire goes to which?

  5. #5
    Join Date
    Dec 2008
    Location
    san antonio TX
    Posts
    1,365
    my 99 silvy has two broken bolts and like said above the copper orange gasket maker worked well for me. i put new gaskets and put a bead of gasket maker on the both sides of the gasket let it sit for a while and put it back together. been holding up for months! btw what headers are you using?
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  6. #6
    Join Date
    Feb 2011
    Location
    Mobile, al
    Posts
    156
    I've been able to remove all of my broken header bolts. A little patience and a easy-out kit will do the trick. Not sure on the header manufacturer but maybe have the flanges true-d by machine shop?

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