Pacific coast Datsun Posted October 8, 2009 Report Share Posted October 8, 2009 Adam, Hainz claims the "atsuki" brand with curved impellers is the best. He says so on his video :D Quote Link to comment
datsunaholic Posted October 8, 2009 Report Share Posted October 8, 2009 (edited) The stock Datsun electric sender is under the thermostat as well. There are no ports in the upper housing. If the gauge is only reading cold or hot, then the sender is wrong or not working. Mine (or at least the ones that still work) do a slow climb up to "normal" operating temp, and read hot when the engine gets hot (like getting stuck in gridlock when it's 103 degrees outside). I had an aftermarket gauge, but it appears to have died- probably got a hole in the tube and let all the ether out. I try to only use the cast iron impeller water pumps. The stamped-steel ones, while reducing weight and rotational mass, also appear to cause excessive cavitation that ruins the timing cover. Edited October 8, 2009 by datsunaholic Quote Link to comment
72240z Posted October 8, 2009 Report Share Posted October 8, 2009 (edited) With all respect to hainz....I still say the ld pump is best, the fins are larger, curved and cast. Flows better then any gasoline L series pump. http://forum.ratsun.net/showthread.php?t=11971&page=2 Edited October 8, 2009 by 72240z Quote Link to comment
motavated Posted October 8, 2009 Author Report Share Posted October 8, 2009 I seen the top larger fin one and wanted that one. I got the lower smaller fin one... :( Quote Link to comment
Z-train Posted October 13, 2009 Report Share Posted October 13, 2009 I just dug out another guage and it goes to 280 degrees.I called the speed shop and said i have a guage used by thee"NASCAR guys".They have anbothere guage that goes to 240 like NORMAL street water temp guages should. Quote Link to comment
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