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  1. smart Operation and Maintenance
    All, Trying to install water temp and oil pressure gauges in my Smart. Water - The coolant drain plug is M12 X 1.25 (can someone confirm this, please) Adapter to 1/8 npt is here - LMA Gauge Sender Unit Adaptors | Demon Tweeks Oil - The oil pressure port is 1/8 bspt, adapter to 1/8 bspt to...
  2. smart Operation and Maintenance
    Been trying to install an oil pressure gauge in my Smart for a while, got one in my other car. Space is really limited, and you are near the flat belt, too... Bazinga! A 4 port cube, with M/F 1/8 BSPT and FOUR 1/8 NPT, with three 1/8 NPT plugs included...