SoCal Jet Boats
Tech Talk => Engine Mechanical / Electrical => Topic started by: Trukinbear on July 27, 2013, 08:08:45 PM
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New temp sensor in front starboard intake manifold port - gauge reads low end of scale until it heats up then pegs out on the top end. 75% cruise at 4200 RPM IR thermometer shows 80 degrees on the exhaust logs, 160 on the block (front and rear) 162 on the intake manifold, and 170 at the collectors.
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did you buy the correct sending unit for the gauge?
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U half to have matching gauge and sending unit to read the correct temp.
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A direct replacement for the one that worked last year, before the rebuild.
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A direct replacement for the one that worked last year, before the rebuild.
might have changed the ohm's for the gauge. you never know. always a good idea when changing gauges is to buy the correct sending unit that way you know you have the right stuff :thumbup: