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  #21  
Old May 28th, 2016, 06:19 AM
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Quote:
Originally Posted by Viton View Post
When I'm driving on the level with no headwind at ~65mph, my EGT's run about 600-800F. And this is in the mountainous west at about 4500' elevation. Uncle Douglas here will tell you mine are higher than living in the lower elevations of the east or mid-west. My EGT's in the worst conditions run 1150F. Also remember we're only talking about running the engine at about 200F. If I were to see it getting up over the 210 mark, I'd cut my speed & turn the interior heater on.
Good stuff. Thanks
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  #22  
Old July 21st, 2017, 10:22 PM
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Stupid question of the day!

Would boring out a 200tdi 20/over make it run hotter?

My engine before it was rebuilt use to run cooler, I rebuilt the engine, installed r380 w/higher 5th gear, now seems to run a bit hotter, getting over 200 on the highway, it never did before.
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  #23  
Old July 21st, 2017, 10:41 PM
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Quote:
Originally Posted by tomaco1 View Post
Stupid question of the day! Would boring out a 200tdi 20/over make it run hotter? My engine before it was rebuilt use to run cooler, I rebuilt the engine, installed r380 w/higher 5th gear, now seems to run a bit hotter, getting over 200 on the highway, it never did before.
Is that by gauge or gun?
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  #24  
Old July 21st, 2017, 10:50 PM
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Gauge, VDO same sender and gauge I had before the rebuild
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  #25  
Old July 21st, 2017, 11:19 PM
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The temperature should be set by the thermostat and whatever controls your fan. Unless running hard enough to need a fan (hard to do) it should sit just below the thermostat opening temperature of 190 F. It then will go up until the fan turns on and should never go higher.
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  #26  
Old July 21st, 2017, 11:49 PM
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Verify with a gun I had a wacky overheat problem till we put in a different thermostat and checked it with a gun.
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  #27  
Old July 22nd, 2017, 06:07 AM
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It does usually run at the thermostat temp, which seems to be 190ish due to the fact I installed the Stant 192* thermostat, my fan seems to turn on in the 205-210 rang, is that too high?
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  #28  
Old July 23rd, 2017, 08:52 PM
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My truck has been running hot as heck the past couple days too (hence why I found this thread). Like 200-215.... It used to always be 190 regular with 200 if I was killing it on the highway... No other symptoms. It was hot the past couple days but today only like 70-80 and it is still running up there.

I had the alt/WP belt snap on me the other day and the truck got kinda hot before I noticed. Now I am scared it is the head gasket but no smoke, no chuffing, no excess pressure under cap just a bit but goes away when revved, no bubbles in coolant, no oil in coolant, no coolant lose, plenty of power, electric fan. No symptoms other then running a good bit hotter then usual. New radiator, clean coolant, pretty new water pump (but does have a bit of shaft play)

I am going to try replacing the t-stat as it is cheap and easy. Thinking about buying one of trying one of the PN 45778 Stant 180 T-Stat's. I have the 192 here but my truck always ran a bit warmer with it then the Bearmach that is in there. This was before any cooling issues. If that doesn't work test the coolant for CO2.


P.S. Tom truck looks great. I saw you in Montauk today. I saw a bunch of Defenders on the ride out. Bunch of NAS ST and SW's, 2 110 SW's, 2 110 "Beach Runners" but only one like yours.
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  #29  
Old July 24th, 2017, 07:10 AM
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Adam, an indie Rover shop owner I know swears that the slightest play in the WP will cause cooling problems. This was years ago and I still remember him showing me on mine by wiggling the pulley with a screwdriver.

I saw your earlier post last week re excessive heat in these silly east coast temps so I took my 110 out Friday with the heat/humidity over 100. I got up to what looked like op temp(I still have the old original gauges)and checked with an IR gun. Mine was 185@the external t-stat housing as usual.

When do your fans turn on!
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  #30  
Old July 24th, 2017, 09:24 AM
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My truck is seeing 205ish at the max. I got my Egts up to 1250 for a second on the one long gradual uphill on Sunrise. Eastbound. The truck is much more drivable. A pleasure except for the rattles I've been chasing.


Quote:
Originally Posted by AdamSanta85 View Post
My truck has been running hot as heck the past couple days too (hence why I found this thread). Like 200-215.... It used to always be 190 regular with 200 if I was killing it on the highway... No other symptoms. It was hot the past couple days but today only like 70-80 and it is still running up there.

I had the alt/WP belt snap on me the other day and the truck got kinda hot before I noticed. Now I am scared it is the head gasket but no smoke, no chuffing, no excess pressure under cap just a bit but goes away when revved, no bubbles in coolant, no oil in coolant, no coolant lose, plenty of power, electric fan. No symptoms other then running a good bit hotter then usual. New radiator, clean coolant, pretty new water pump (but does have a bit of shaft play)

I am going to try replacing the t-stat as it is cheap and easy. Thinking about buying one of trying one of the PN 45778 Stant 180 T-Stat's. I have the 192 here but my truck always ran a bit warmer with it then the Bearmach that is in there. This was before any cooling issues. If that doesn't work test the coolant for CO2.


P.S. Tom truck looks great. I saw you in Montauk today. I saw a bunch of Defenders on the ride out. Bunch of NAS ST and SW's, 2 110 SW's, 2 110 "Beach Runners" but only one like yours.
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  #31  
Old July 24th, 2017, 09:55 AM
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185 for me as usual. quite solid.

In the 90's here in VA prior to the thunderstorms, I was running as high as 192-193 at idle. Temps always went down to 185 when moving.

I'm operating with the fan shroud and stock fan, not sure if that makes a difference.

My EGTs on the highway with the accelerator pedal to floor, boosting to 0.7ish bar is around 1150 degrees.
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  #32  
Old July 24th, 2017, 10:01 AM
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Quote:
Originally Posted by sonoronos View Post
185 for me as usual. quite solid.

In the 90's here in VA prior to the thunderstorms, I was running as high as 192-193 at idle. Temps always went down to 185 when moving.

I'm operating with the fan shroud and stock fan, not sure if that makes a difference.

My EGTs on the highway with the accelerator pedal to floor, boosting to 0.7ish bar is around 1150 degrees.
That's wild. 185 is below the thermostat temp.

.7 bar? Why so low? That is 4 pounds less then factory. I'm running 1.1 (16), feels great. Ill go up to 19-20 with a bigger turbo. I finally turned the main fuel screw up the other day. Truck hustles pretty good now. Pretty strong pull up to 85mph in warm weather.

------ Follow up post added July 24th, 2017 08:02 AM ------

Quote:
Originally Posted by tomaco1 View Post
My truck is seeing 205ish at the max. I got my Egts up to 1250 for a second on the one long gradual uphill on Sunrise. Eastbound. The truck is much more drivable. A pleasure except for the rattles I've been chasing.

That's about right, before this new issue sprung up, that's where I was when I was killing it on the highway trying to hit 85mph. I know the hill you speak of. There is a good one heading westbound too. Stop by one of these days.

------ Follow up post added July 24th, 2017 08:05 AM ------

Quote:
Originally Posted by 1of40 View Post
Adam, an indie Rover shop owner I know swears that the slightest play in the WP will cause cooling problems. This was years ago and I still remember him showing me on mine by wiggling the pulley with a screwdriver.

I saw your earlier post last week re excessive heat in these silly east coast temps so I took my 110 out Friday with the heat/humidity over 100. I got up to what looked like op temp(I still have the old original gauges)and checked with an IR gun. Mine was 185@the external t-stat housing as usual.

When do your fans turn on!
You just made my day with this post. I can hear a slight knock noise when I try to wiggle the pulley up and down, def some play. My issue really doesn't feel like a head gasket problem, but I have never had a bad water pump before. I sent the wire for one of those Marks Water Pumps this morning. Not too bad, $80 shipped for an OEM quality part.

I have my fan turn on at 205ish (you can't just set a temp on it). Prior to this new problem it never really turned on. Maybe once while pushing it hard on the beach. I THINK the stock fan clutch locks up a t 205?

I can't find my IR gun. Somewhere in the garage...
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  #33  
Old July 24th, 2017, 10:12 AM
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I see roughly 190-200 head temps, but this is using a never calibrated old IR gun.

I still got the factory "good, no good" gauge.
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  #34  
Old July 24th, 2017, 10:18 AM
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Quote:
Originally Posted by AdamSanta85 View Post
That's wild. 185 is below the thermostat temp.
yes, my engine runs cold...it's even more of a problem in the winter.

but I'm reading off my digital dash and a thermistor, so I assume it's around the 88C thermostat set temp. I'm happy when it's above 180 and below 200

Quote:
Originally Posted by AdamSanta85 View Post
.7 bar? Why so low? That is 4 pounds less then factory. I'm running 1.1 (16), feels great. Ill go up to 19-20 with a bigger turbo. I finally turned the main fuel screw up the other day. Truck hustles pretty good now. Pretty strong pull up to 85mph.
I have a 200tdi and factory "max boost" spec is 0.82 bar.

I set it to 0.7 in a rush - I just need to tighten up the wastegate actuator and get it back to 0.82. I'm pretty conservative on tuning my engine...I really want it to last and don't really need to go that fast since I almost never drive it!
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  #35  
Old July 24th, 2017, 10:22 AM
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With the new Alisport radiator I am holding steady at 185-190 even with the temps in the 90s. My Egt seem high I'm about 700-750 ish just cruising around town at like 40mph. The EGT probe is after the turbo and I'm thinking (based on some quick IR readings that the difference from before/after turbo is about 150 degrees).

I'm thinking of replacing the wing panel so the tdi can get some cool air from the side. Right now the air hose is just hanging around in the engine bay since I disconnected it from the snorkel.
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  #36  
Old July 24th, 2017, 10:27 AM
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Quote:
Originally Posted by sonoronos View Post
yes, my engine runs cold...it's even more of a problem in the winter.

but I'm reading off my digital dash and a thermistor, so I assume it's around the 88C thermostat set temp. I'm happy when it's above 180 and below 200



I have a 200tdi and factory "max boost" spec is 0.82 bar.

I set it to 0.7 in a rush - I just need to tighten up the wastegate actuator and get it back to 0.82. I'm pretty conservative on tuning my engine...I really want it to last and don't really need to go that fast since I almost never drive it!

Ah. I thought it was 1 bar my bad. I can't help but want more power but I certainly see your side of it too.
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  #37  
Old July 24th, 2017, 10:28 AM
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My experience with a Taurus fan, of there is nothing I can do to get above the setpoint of the fan. I just did a 5000 mile trip with dozens of very long, steep climbs at full throttle. I did a similar trip last year while towing a trailer. I have a MadMan gauge, so can see the temperatures exactly.
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  #38  
Old July 25th, 2017, 10:29 AM
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I thought I had an overheating problem years ago but found that the ground strap from the engine to frame was corroded and caused a false reading. More so when it was raining out. It would spike the VDO gauge to 250deg. Mine runs constantly at 185 with an allisport aluminum Radiator.
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