Bigant Posted April 28, 2009 Share Posted April 28, 2009 Hi I am still trying to solve my temperature gauge issue. Before I go down the route of installing a new secondary system that means a new sensor on the top hose, does anyone know what the thread size of the standard sender unit is on a 3.5 litre V8? If I can identify this then I can pick up a new gauge and sender unit which looks like it may be the cheaper option. many thanks Bigant Quote Link to comment Share on other sites More sharing options...
Bigant Posted May 15, 2009 Author Share Posted May 15, 2009 Hi all Just wanted to add that I found the answer to my conundrum so in case you were wondering the thread size on the sender is 5/8" unf. Credit must go to Paul at Demon Tweeks for identifying the size of the thread and for selling me a new temperature gauge and converter I now have a fully operational gauge so I can now keep an eye on the temperature of my V8 engine Regards Bigant HiI am still trying to solve my temperature gauge issue. Before I go down the route of installing a new secondary system that means a new sensor on the top hose, does anyone know what the thread size of the standard sender unit is on a 3.5 litre V8? If I can identify this then I can pick up a new gauge and sender unit which looks like it may be the cheaper option. many thanks Bigant Quote Link to comment Share on other sites More sharing options...
plank22 Posted May 15, 2009 Share Posted May 15, 2009 Hi allJust wanted to add that I found the answer to my conundrum so in case you were wondering the thread size on the sender is 5/8" unf. Credit must go to Paul at Demon Tweeks for identifying the size of the thread and for selling me a new temperature gauge and converter I now have a fully operational gauge so I can now keep an eye on the temperature of my V8 engine Regards Bigant I remember wanting to know the size of that thread for some reason, cant remeber why, was on the inlet manifold. IRRC was 14 TPI witch i think is NPT Quote Link to comment Share on other sites More sharing options...
Dave W Posted May 15, 2009 Share Posted May 15, 2009 It's worth noting that there are at least two different threads, the sender from a 3.5 carb motor won't fit a 3.9 EFi, I remember that causing me some real grief when I did my first 3.9 into Defender conversion because I thought I could use the sender off the original 3.5 V8 to match the gauge. Quote Link to comment Share on other sites More sharing options...
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