Overheating and fed up....

OK, did some testing.....first checked that water flowed freely through block and that passed, flowed right through. Then did what B-O-B suggested with upper hoses and fan belt off. Saw a burping in the water on the pass side nothing on the driver but driver got 10* hotter and water would overflow the pump flange while pass. side did not. Didn't see any large bubbles on driver side. Any more test suggestions before pulling the heads? Thanks....
 
I would suggest re-torqueing the head and if you decide to take a stab at it be sure to back to nut off and record how much torque it took then re-torqueing the nut
 
I'd try using some of this stuff before pulling the heads > https://www.kseal.com/products/k-seal

product-k-seal.png
 
Mike, I have a v-8-60 that I run in a vintage kurtis midget race car. Had over heating problems until I added "Water Wetter" a Red Line product to the red. went from 210 down to 180/ 190 you can get it at any parts store

Harold

P/S I'm from Yorba Linda back in the 60's
 
Mike, send a p/m to you don't know where it went I'm new to this posting thing, any way I use Water Wetter(Red Line product) you can get from any parts store.I run it in my v-8-60 Kurtis midget race car temp. came down from 220 to 180

Harold

P.S. I'm from Yorba Linda back in the 60,s
 
Thanks Harold....I can try that easy enough to see if it will make a difference. YL has changed quite a bit from the 60's....East of Kellogg is all new development and not as many equestrian properties.....I'm in East Lake....
 
OK.....after much thought, I decided to pull the heads to check gaskets and look for cracks. First, the water pumps are all corroded with something. This mix has been in for two months. It is a mix of A.F/Water/and No-Rosen suggested by Rumble-seat's blog. :mad: After cleaning..:) It looks like the impeller is being eaten away...:eek:. And the last photo is the root of my overheating. Sandy sludge between the back cylinders. How should I get this out without screwing something else up? :cool: Appreciate all suggestions.....Having problems getting all photos here...
 

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JSeery said:
Matter of prospective, some of us believe all engines need thermostats. (and others don't, LOL) Many advantages to running an engine at a higher temperature.
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I agree with jseery i had no over heating with a thermostat versus overheating with no thermostat especially in higher climate areas. The thermostat as you probably know slows down water flow and allows the fan to cool down the water in the radiator

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mountstimothy0 said:
I agree with jseery i had no over heating with a thermostat versus overheating with no thermostat especially in higher climate areas. The thermostat as you probably know slows down water flow and allows the fan to cool down the water in the radiator

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I've never run T stats and it never overheated before. So adding them wouldn't make a difference.
 
I suspect that new radiator. You say larger tubes, not necessarily good. How many rows? You need 4. Aluminum or brass? Brass cools better. And clean out that block! Hot just in town or on the road too?

Phil Swanson
 
Maybe it just needs burping. Jack up the front, remove the cap and run it awhile. The trapped air will bubble out if there is any.
Also, run thermostats.
 
mike that's not so good to hear about your issues. ive never seen that crud on a water pump like that before. I wouldn't think the casting sand is your issue, I would say it was the crud on the water pumps which ha caused them to move/pump only a small amount of water. sand has been there now for 81 years and never caused any issues previously, now you know about it, its best to get it out though. I would think you will need to get the block out and spend a bit of time with a screwdriver loosening it as you wash it out.
 
The sand had to come from somewhere! It is either getting added to the cooling system somehow or something is causing the original casting to come loose and move about. Almost everyone that takes to time to clean the blocks out (they have a ton of sand and wire in there!) claim much fewer cooling issues. The only other thing I can think of is something is going on with the coolant that just appears to be "sandy". But if it is truly fine sand, casting sand could sure be the source.
 
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