Running temperature?
#1 Running temperature?
Just wondering what the correct running temperature should be, I'm running 140F which i think is low? Checked the knowledge base but cant find an answer in there.
Thanks.
Thanks.
S2 4.2 FHC
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."
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#2 Re: Running temperature?
Mine runs at between 75C and 80C.
David Jones
S1 OTS OSB
1997 Porsche 911 Guards Red
2024 Lexus LBX
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
S1 OTS OSB
1997 Porsche 911 Guards Red
2024 Lexus LBX
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
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#3 Re: Running temperature?
Thank you, looks like i need to check the thermostat.
S2 4.2 FHC
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."
Ford F100 pickup
JAGUAR S-type
BMW R1300RS
"You only live once, but if you do it right, once is enough..."
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#4 Re: Running temperature?
Or check the gauge
Steve
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
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#5 Re: Running temperature?
Generally anywhere around the M A L of NORMAL I find. My brow only starts to furrow if the needle edges past the L.
1969 S2 FHC - 1R20258
1993 Lancia Delta HF integrale Evo II
2008 Caterham Seven Roadsport
1993 Lancia Delta HF integrale Evo II
2008 Caterham Seven Roadsport
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Gfhug
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#6 Re: Running temperature?
Mine sits towards the right hand edge of the LH white section of the gauge and only goes into the normal if stuck in traffic before the fans switch on, then kept there until on the way again and goes back to as before. Don't know how many degress C or F that is.
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration
S2 OTS LHD - RHD full restoration
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#7 Re: Running temperature?
mine sits on the "O" of normal as a maximum. Never goes higher. Sometimes runs cooler according to conditions.
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S
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#8 Re: Running temperature?
I guess the thing with the S2 gauge, as it doesn't purport to tell you actual temperature, is just to get to know what's normal for your car and be alert to it exceeding that.
Have to say I'm impressed with the S2's cooling. If you have any amount of forward motion that big mouth sucks in the air and keeps things in check: it's really only ever when stationary in traffic that the fans get called upon to provide a boost.
Have to say I'm impressed with the S2's cooling. If you have any amount of forward motion that big mouth sucks in the air and keeps things in check: it's really only ever when stationary in traffic that the fans get called upon to provide a boost.
1969 S2 FHC - 1R20258
1993 Lancia Delta HF integrale Evo II
2008 Caterham Seven Roadsport
1993 Lancia Delta HF integrale Evo II
2008 Caterham Seven Roadsport
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#9 Re: Running temperature?
Mine's exactly the same as this. The fans kick in when the needle hits the mid point. It's probably reading a bit low but I fitted a new sender so I guess it's OK. But as you say, once you're used to what's "normal" then you'll know if it's hot or cold.Gfhug wrote:Mine sits towards the right hand edge of the LH white section of the gauge and only goes into the normal if stuck in traffic before the fans switch on, then kept there until on the way again and goes back to as before. Don't know how many degress C or F that is.
Chris
1970 S2 Coupe
1970 S2 Coupe
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Nickleback
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#10 Re: Running temperature?
Yup, that's where mine sits too and the engine has only just been fully rebuilt.Simon P wrote:Generally anywhere around the M A L of NORMAL I find. My brow only starts to furrow if the needle edges past the L.
It's all about the temp sensor (highly variable) and the guage acuracy as to how it balances out, the important thing is when & at what temp the fans kick in !
Make sure the coolant is fully topped up otherwise the otter switch / fans will not kick in to cool it.
Mike,
1970 S2 FHC 2R28165
1970 S2 FHC 2R28165
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Stephanie Plum
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Gfhug
- Posts: 3825
- Joined: Thu Jun 19, 2014 3:08 pm
- Location: Near Andover, Hampshire,in D.O. Blighty

#12 Re: Running temperature?
Your fans kick you in the r? 
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration
S2 OTS LHD - RHD full restoration
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#13 Re: Running temperature?
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S
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Stephanie Plum
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