Hi Shocker, not so keen on the pillar mounted, but had looked like you at ones that mount on the top of dash, mud pod seem expensive, which ones are you looking at for £15 that seems more like it. Have already fitted a water temp gauge into the ashtray hole really tight fit but good now its in, plumbed it in an unusual way in that its in the bottom hose looking at the water temp coming out of rad. the reason for this is that I had a lot of overheating problems in the past whilst towing (especially on fast roads) and turned out to be radiator issues, rational with gauge was that if the temp of the water coming out of the rad got too high the engine would cook pretty quickly, and it works a treat. most of the time it pretty well sits on the stop (cold) but get it working hard particularly at speed with trailer and you can watch the temp rise, its never exceeded 80c to date (remember thats not engine temp but water returning into the engine) Anyway its a bit flat towing so plan to tweek a little and suppose boost could be a temporary gauge as just want to see if all is well before I do anything. and then egt, water temp to replace silly standard fit super usless one and may be oil