dave88sw Posted September 15, 2020 Share Posted September 15, 2020 Hi, I've just got my 110 V8 started on megasquirt for the first time and it runs lovely. However, i have a leak from the thermostat housing. I understand the gems P38 Range Rover had a remote thermostat in a plastic housing but i've put one in the manifold behind the top hose stub as it looked the same as the earlier manifolds. Is it ok to install one in that location or have i done something wrong? I fitted the housing with a new gasket and a smear of silicone sealer but it still leaks. When i pulled my old 3.5 carb top hose stub off i noticed the thermostat had no rubber sealing ring around its edge but the new one came with one so i fitted it with it but i'm now wondering if it should be fitted without? Many thanks Dave Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted September 15, 2020 Share Posted September 15, 2020 It's very, very, easy to fit it with the thermostat having dropped a touch out of the housing, suggest you remove and have a look. You certainly can fit one on Thor, but not 100% about gems, if you can, there will be a recess in either the manifold, the housing, or both, for the thermostat to sit in. Quote Link to comment Share on other sites More sharing options...
ThreePointFive Posted September 15, 2020 Share Posted September 15, 2020 I fitted mine to my 4.0 GEMS inlet manifold exactly as you did and it appears to work just fine. I used an 88 degree thermostat which would have been a part number for the 3.5, that had no additional seals besides the gasket. Quote Link to comment Share on other sites More sharing options...
garrycol Posted September 15, 2020 Share Posted September 15, 2020 (edited) Dave I have exactly the same arrangement as you - I am with Bowie most likely the actual thermostat has moved while you bolted the cover up - I normally put just a very small dob of sealant and I mean small top and bottom of the thermostat to hold the thermostat in position and bolt the rest up carefully. Edited September 15, 2020 by garrycol Quote Link to comment Share on other sites More sharing options...
dave88sw Posted September 28, 2020 Author Share Posted September 28, 2020 Sorry for the delay in response, i finally had a chance today to have a look. You were right, the thermostat had dropped down slightly as i'd bolted up the housing, i've now replaced the gasket and used a dab of silicone to hold the thermostat in place and seems to be all good. Thanks for your help 2 Quote Link to comment Share on other sites More sharing options...
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