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Since I installed the 350Z Nismo Thermostat a couple weeks ago(during my cam install), I've had some time to moniter engine temps and heater use & thought I would pass it on. I've driven a couple hundred miles and in temperatures ranging from 30F-65F over 9 days and about 10 start/shutoff cycles with the Nismo thermostat
1)So far I have had no heater issues. Drove this morning in pretty cool 30deg temps(I know not super cold). Heater got to warm temperatures just like normal. After maybe 5 minutes I actually had to bring the fan speed to 1 and turn the temp dial to about 2/3 hot level. Pretty much left it there most of the time. I'm pretty cold blooded, but I'm totally satisfied with my trucks heating ability using the Nismo 350Z thermostat.
2)I did 3 datalogs today and compared them with about 12 others I have over the last year(Used Cipher). The Stock 350Z datalogs consisted of 4 from January, 4 from March, and 4 from July of last year. During ALL 4 time periods, some of the datalogs were taking while just cruising and some were taken under heavy acceleration.
Remember the 12 datalogs taken from last year were with a Stock 350Z thermostat and the lastest were with a Nismo 350Z thermostat. I unfortunately never got to test the Stock Frontier thermostat. Didn't have Cipher at that time to do so. Also note these datalogs were all taken once the engine was up to normal operating temperatures.
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Nismo 350Z--Low Operating Temp-168F
Nismo 350Z--Average Temp-172F
Nismo 350Z--High Operating Temp-176F
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Stock 350Z--Low Opertaing Temp-174F
Stock 350Z--Average Temp-178F
Stock 350Z--High Opertaing Temp-185F
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A few observations I made were--
1)Overall I run 6-9 deg cooler with the Nismo 350Z vs Stock 350Z thermostat.
2)With both thermostats, the highest temps AND lowest temps were reached while sitting or just putting slowly around.
3)The "average" was pretty much were my engine temps stayed while cruising, whether it was 35mph or 65mph. Again this was true with both thermostats.
4)The Nismo 350Z thermostat cycled faster than the Stock 350Z thermostat.
5)My engine temps last summer were not any hotter that the temps last winter.
1)So far I have had no heater issues. Drove this morning in pretty cool 30deg temps(I know not super cold). Heater got to warm temperatures just like normal. After maybe 5 minutes I actually had to bring the fan speed to 1 and turn the temp dial to about 2/3 hot level. Pretty much left it there most of the time. I'm pretty cold blooded, but I'm totally satisfied with my trucks heating ability using the Nismo 350Z thermostat.
2)I did 3 datalogs today and compared them with about 12 others I have over the last year(Used Cipher). The Stock 350Z datalogs consisted of 4 from January, 4 from March, and 4 from July of last year. During ALL 4 time periods, some of the datalogs were taking while just cruising and some were taken under heavy acceleration.
Remember the 12 datalogs taken from last year were with a Stock 350Z thermostat and the lastest were with a Nismo 350Z thermostat. I unfortunately never got to test the Stock Frontier thermostat. Didn't have Cipher at that time to do so. Also note these datalogs were all taken once the engine was up to normal operating temperatures.
--------------------------------------
Nismo 350Z--Low Operating Temp-168F
Nismo 350Z--Average Temp-172F
Nismo 350Z--High Operating Temp-176F
---------------------------------------
Stock 350Z--Low Opertaing Temp-174F
Stock 350Z--Average Temp-178F
Stock 350Z--High Opertaing Temp-185F
---------------------------------------
A few observations I made were--
1)Overall I run 6-9 deg cooler with the Nismo 350Z vs Stock 350Z thermostat.
2)With both thermostats, the highest temps AND lowest temps were reached while sitting or just putting slowly around.
3)The "average" was pretty much were my engine temps stayed while cruising, whether it was 35mph or 65mph. Again this was true with both thermostats.
4)The Nismo 350Z thermostat cycled faster than the Stock 350Z thermostat.
5)My engine temps last summer were not any hotter that the temps last winter.