I'm just getting China drivable, and need to flush the motor a tad, so I just filled up with water in the block and radiator. I also burped top hose as much as possible. No overflow bottle on '80 240D btw.
Driving the car with the AC on, it was hovering around the 85-90 degree area for the first 5 minutes or so. {ambient mid-hi 80's} Then it creeps up the the 100 degree mark, and passed it just a tad.
Super clean, almost new looking radiator from looking through cap opening. New thermostat.
Is just running water enough to account for this higher temp? I've heard of folks running a few hundred miles to do a citric acid flush, so it would seem water should be OK, but yall tell me.....
Thanks

__________________
Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John

Not sure of the temps but I would think it could be a faulty thermostat.. So I would check that. Another note, I would not run straight water on a sleeved block for any extended amount of time. This could cause the cylinder sleeves to rust and breaking the seal, then leaking coolant into the crankcase.

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1983 123.133 California
- GreaseCar Veg System

If you're using a 120 cap, the boiling point is 223F.

That doesn't mean that you can run right to this point as the bubbles begin well before this temperature and the localized cooling drops precipitously when the bubbles begin to form.

However, if the engine remains below 100C., you shouldn't have a problem for the short duration of the project.

I would begin to back off the power and become quite cautious if the gauge climbs up above the 100C. mark.

The sleeves are of a dry type so there's no danger of any seals breaking.

__________________
DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

That's good to know! Thanks

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1983 123.133 California
- GreaseCar Veg System

Jimmy,
you better get that xerex coolant asap. Lake lavon and surrounding lakes around mesquite are high in sulfurs and the deposits are not that nice. you can run the car for a while on distilled water, but there is still the problem of the bubbling which loweres the effectivity of the coolant.

Hope to see the now famed China soon.

__________________
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Aquilae non capunt muscas! (Eagles don't hunt flies!)


1979 300SD Black/Black MBtex239000mi
1983 300TD euro-NA. White/Olive Cloth-MBtex 201000mi. Fleet car of the USA embassy in Morocco
1983 240D Labrador Blue/Blue MBtex 161000mi

Will do, and that is good info. Raining right now, though......

__________________
Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John