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    Header to crossover leak

    Replaced drivers side header (crack between 3 & 5) with Kirbans Ta performance header. Old header flange was not round & connection to crossover pipe leaked. Removed crossover, brought to muffler shop and made round again on drivers side only. Used high temp rtv silicone on both sides of...
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    Timing set, water pump & springs, anything I'm missing?

    Winter project doing the timing set with original GM style complete set including nylon coated cam gear, timing chain, water pump (from Kirbans), cam button & spring tensioner. While I'm at it will replace the valve springs with comp cams 980-12 & felpro intake manifold gaskets. Do I need to do...
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    New valve springs, parts needed?

    My valve covers have been leaking for a while so since I need to replace the valve cover gaskets I would like to replace the valve springs as well. I don't want to stress the original timing chain so I'm using Comp Cams 979-12 valve springs which are rated 80 lbs. seat pressure. It was also...
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