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  1. #1 Re: Bad gaskets? 
    GT Level Member 40th GP's Avatar
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    I see the sticky on torque specs. I also found this: http://www.grandprixforums.net/f73/3...specs-501.html, but it does not take me anywhere. Is that an old version that was replaced?

    I have also seen varying opinions on how to do this: do I need new bolts? Do they need thread sealer? Are GM or FelPro (or other) gaskets preferred? Is there anything else I should do while in there (other than coolant elbows)--such as water pump, timing chain, etc.? Do the gaskets come with the right kind of RTV or do I buy this separate, and how much does it take and how long should it set up before sticking the intake back on? No other sealant other than RTV in the corners, correct? Anything else I should know before tearing into it?

    I have also noticed that my temp gauge doesn't really move. I drove for 45 minutes straight today and it was up to the first or second mark from the bottom. I checked it with a scan tool (not today, and I don't remember how long I had driven at the time) and it showed something like 185 degrees. Does this seem like a problem, and could it be related or am I looking at more than one issue?
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  2. #2 Re: Bad gaskets? 
    GTP Level Member SuperSport's Avatar
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    You do not need new bolts but you do need thread sealer (note: not thread LOCK) but I cant remember which brand/strength. I would go with GM aluminum LIM gaskets from any chevy dealer. Mine were $66. I got my coolant elbows at the dealer. Some argue that the $4 ones from auto-zoo are fine, but I have read stories of those leaking right out of the box. Like I said I got my elbows at the dealer since I was already there for my LIM gaskets. Peace of mind.

    For the valve cover gaskets, valve cover grommets and UIM gasket set I used fel-pro brand. Get high temp RTV for the corner of the valleys. The video will show you where to use it.

    If the water pump is not leaking, I would leave it. Its not hard to get to if it goes.

    As for the thermostat, sounds like its opening too soon. Mine was doing the same. A duralast 195* is what you should replace it with.
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