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N47 with cylinder head temp sensor


Guest smoov280zx

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Guest smoov280zx

Anybody ever use an n47 on a zx(f54,flattops), what did you do with the cylinder head temperature sensor? I keep being told to put it in the thermostat housing from the n47 donor, but it's never said if I have to drill a hole and weld in some kind of pipe with threads or what. Anybody ever tried to tap the n47 in the same location the p79 has the chts? If anybody knows for, any help would be great.

 

Mitch

83 zx n/a with tons of emissions crap.

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I'd recommend using the N47 hardware/water temp sensor in place of the cyl head temp sensor (drilling out the N47 head for a sensor doesn't sound like a good idea). Bosch thermistors are fairly standard and there's not going to be a big difference to what the computer is looking for.

 

Run a 180 degree thermostat; not a 195. DAW

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Mitch,

 

I have the same setup right now. What I did was use the thermostat housing from the n47 head and extened the cylinder head temp sensor to it. What I found on the n47 thermo housing was that one of the sensors has a "threaded sleeve" that comes off. I used some jb weld to bond the chts from the p79 to the sleeve and voila!...now your chts screws into the thermo housing. I've been running this setup for like 6 months now with the help of others here and no problems other than the nagging pinging. I wouldn't recomend raising the compression that high for a street car unless you can get gas that is better than 91. Otherwise it seems like you have to retard the timing so far that you defeat the purpose of higher compression.

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Guest smoov280zx

err, i just got the head, it's an n47, smile.gif , and it has a sensor in the same place as the chts of the p79, Huh? If water temp sensor is in the housing, is this an n47 with a chts? :confused:

WTF?

 

This is a new one on me.

 

Mitch

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