Gravelwasher Posted July 14, 2022 Share Posted July 14, 2022 Hello everyone, I need a lil help on a recently aquired GPZ 7k stock coil. This coil I received has a pregnant bottom, hi in the center with the rest of the coil lower. Going to test it out but figured I would ask you all if you ever experienced seen this or is this shape coil bottom ok? Thanks and hope you find lots of nuggets under your coils!! Link to comment Share on other sites More sharing options...
araratgold Posted July 14, 2022 Share Posted July 14, 2022 Pull the skid plate off and check to see if the previous owner has put a bit of sticky back foam sheet in there to help stop the " drumming " hollow noise. The other possibility is that the skid plate is slightly mal formed. Wouldn't hurt to do this anyway just to clear any dirt out of the skid plate. Rick 4 Link to comment Share on other sites More sharing options...
Gravelwasher Posted July 14, 2022 Author Share Posted July 14, 2022 This is with no skid plate on. Just the raw coil in the pics. Thanks , I thought same too. 2 Link to comment Share on other sites More sharing options...
Gravelwasher Posted July 14, 2022 Author Share Posted July 14, 2022 About to head out will see what happens. Have to roll heavy as I am just testing the Z, if it has issues I will stop right away and send it back. Yep new carpet or new detector..lol you see the choice I had to make..lol More horse shoes than soda cans to you all!! 1 Link to comment Share on other sites More sharing options...
jasong Posted July 14, 2022 Share Posted July 14, 2022 Did you buy it from someone living at a low altitude and take it up to a high altitude? Pretty sure those stock GPZ coils have a pressure relief valve on them, could be faulty or blocked? Or at least, I thought that's the purpose of that valve looking thing... Just wondering if someone siliconed it shut or something to put into the water. 1 Link to comment Share on other sites More sharing options...
phrunt Posted July 14, 2022 Share Posted July 14, 2022 You can unscrew the vent and let the pressure out if it's that. 3 Link to comment Share on other sites More sharing options...
Gravelwasher Posted July 14, 2022 Author Share Posted July 14, 2022 Yes I unscrewed the pressure valve and it's not air its the shape of the bottom of the coil, got a bump in the middle higher than the rest of the coil bottom. The coil is in new condition along with the rest of the detector. The coil and machine do function. This coil is just quite a bit deformed and all of my other coils Minelab or aftermarket have nice strait flat bottoms. Thanks for the suggestions....debating whether to send in for warranty on the coil. Link to comment Share on other sites More sharing options...
phrunt Posted July 14, 2022 Share Posted July 14, 2022 Yes, send it in for warranty, don't put up with flaws on such an expensive product and who knows the coils integrity maybe compromised and it become bump sensitive or noisy because of it very quickly. 1 Link to comment Share on other sites More sharing options...
Popular Post Gravelwasher Posted July 14, 2022 Author Popular Post Share Posted July 14, 2022 So I went out last night for evening/night hunt/test with the GPZ 7000. This is my 2nd 7000, sold the 1st to get a 6000. So out at my spot and got a mellow shallow target, started digging and it went deeper and started singing. 1st ever target with this machine came out to be a point 7 gram nugget!! Thought I had a magic wand till the 2nd-5th targets all trash..lol Ended up with about 4 grams of nice nuggets. Good luck and get that gold!! 10 Link to comment Share on other sites More sharing options...
strick Posted July 14, 2022 Share Posted July 14, 2022 4 minutes ago, Gravelwasher said: Ended up with about 4 grams of nice nuggets. Nice work...that looks like more then 4 grams...just saying strick 6 1 Link to comment Share on other sites More sharing options...
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