i currently have my water temperature sensor t-pieced into the manifold outlet pipe on the side on the engine, even now that i have moved the radiator into the nose cone i am still getting temperature readings of upto 99 degree's. (well thats better than 106!)

i have had the car sat at idle outside the garage idling and the temperature sits at a happy 87 with the fan on, but when i go out for a blast it goes up to about 95 (cruising speeds 40,50,60) but when i put the pedal down it goes up to 97-99 (hasn't hit 100 yet?)

i have fitted a new expansion tank and its holding the water well and there is no leaking, in fact the water doesn't even go near the top.

what im thinking is that repositioning the sensor so thats its in the outlet pipe of the radiator might give me a more acurate reading of the water temperature?

open to ideas please

Fit it in the std position?

Mine is fitted in the middle of the inlet manifold and I get accurate temp readings.

What stat do you have fitted? I changed mine from an 88deg to a 82deg on as I couldnt control temps with an 88.

David

Why?

The fact that the temperatures are varying with the type of driving you are doing suggests to me that the sender is working right and the gauge is working too. It also suggests that the cooling system is working, if a little marginal.

Temperatures don't seem excessive to me either (but then I don't know what temperatures pintos like to run at?)

IMHO you want to measure the uppermost extreme of the temperature range (i.e. when the water leaves the engine), rather than the lower end of the range (i.e. when the water has cooled leaving the rad).

For interest, could you fit a second sender after the rad, and wire it into the gauge via a switch over? Then you could have two readings and only one gauge?

If you are concerned about water temps when pushing on, have you thought about boxing in the sides of the rad, forcing all the air coming in the nose through the rad? I did that last year and saw water temps drop by 20C.

HTH

Mike

P.S. Or are you worried that the manifold is getting heat soak from the block and giving a too high reading?