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Cylinder head temp vs coolant temp

Tech Talk for Nissan owners.

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AJS
Posts: 79
Joined: Sun Mar 20, 2005 10:51 am
Location: Exmouth WA

Cylinder head temp vs coolant temp

Post by AJS »

I'm putting in an aftermarket temp gauge prior to installing the turbo on the TD42, so I can track accurately what difference if any the turbo makes to operating temperatures. Will a cylinder head temp gauge give a more accurate picture of this, compared to a coolant temp gauge?
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Posts: 138
Joined: Tue Nov 06, 2007 6:39 pm
Location: Noosa

Post by Dominator »

the coolant temp sensor will give you a better temp reading than the head sensor. Water/coolant absorbs/removes heat more than 50 times better than metal. The coolant sensor will give you a better reading of the temp in the block and i think will be less effected by the extra heat in the engin bay from the turbo etc.
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AJS
Posts: 79
Joined: Sun Mar 20, 2005 10:51 am
Location: Exmouth WA

Post by AJS »

OK, thanks.
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Posts: 1434
Joined: Sat May 22, 2004 6:44 pm
Location: stalking

Post by blackmav »

I have a block temp guage, the water temp can go up and down and the block temp soon follows. The block guage tells me if the cooling system isn't copeing/recovering.
I get more worried when my block temp gets hot than when the water temp goes up.
Best would be to have both.
http://search.ebay.com.au/_W0QQfgtpZ1QQ ... cNQ5fQ5fSI

Good thread here
http://www.outerlimits4x4.com/phpBB2/vi ... highlight=
Short GQ, Petrol, Turbo.
GQ TD42 ute
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