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CHT
First do all you can to get the heads as cool as possible. Clear any obstructions from around the fan's intake, try to use as much German tin as possible. Next determine if they're too hot or not. Drive the car for at least 20 minutes (or until gauge pegs). Carfully feel the intake manifolds. Mine get to where I can keep my hand on them lightly for about 5 seconds before it's too uncomfortable. Last, you want to make your gauge sit in the middle somehow. I have good luck by taking out the sending unit, add a dab or 2 of locktite, screw it back in only a few rotations. This will help give more of a surface temp reading. I just did this today and it's working so far but I messed with a few other things too while under there. Good luck!
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