| woodwagon47 | -- 10-25-2010 @ 10:40 AM |
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I just had a valve job done on my 47 v8. I have flushed the radiator, put radiator flush in it, Back flushed it and it still runs about 3/4 over sometimes more on a warmer day. I do not have thermostats in it and right now running straight water. When I shut it off I never hear anything like bubling or whatever. The motor runs great. any ideas? I have a 47 V8 that I just had a valve job done on it, replaced the waterpump as it was leaking and put a new single sending unit in it as old one was broken. I drained the radiator flushed with radiator flush, back flushed it,filled it back with straight water. I am not running thermostats. The guage goes over 3/4 of the way and on hotter days goes a little farther. Motor runs fine, and it does not seem to boil or anything like that. It did not do that before I put a new sending unit in and repaired the pump. I unhooked the new sending unit and it does not make any difference. Any ideas?
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| 37RAGTOPMAN | -- 10-25-2010 @ 10:54 AM |
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When you have it running and engine is getting up to temp, check to see if COOLANT is full,it sounds like the coolant is on the low side,and coolant made need to be added, hope this helps 37RAGTOPMAN an KEEP on FORDIN,,,!!!!
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| Old Henry | -- 10-25-2010 @ 12:43 PM |
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Here's a great discussion had just a couple of weeks ago about your problem. Read through it. A lot of ideas there: http://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=18&Topic=1988 Still Old Henry
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| supereal | -- 10-25-2010 @ 12:57 PM |
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Confirm the temperature with a thermometer inserted in the radiator filler neck. The dashboard gauge is often not correct. If you used a sealer, such as Teflon tape on the new sender, it will not have the good ground required to activate the heating coil in the sender. The sender and cylinder head have a pipe thread which should seal without assistance if the threads are good and clean. If you didn't have the problem with the old sender, that is the place to look. If the gauge rises when the new sender is disconnected, there is an open or poor connection somewhere beteeen the senders and the dash. The gauge goes toward the "hot" side when the current drops. Also, contrary to popular opinion, running without thermostats doesn't always reduce termperature. The stats provide some cooling system backpressure that reduces hot spots caused by steam in pockets of the water jacket. The new turbine pumps provide extra pressure that does the same thing.
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| EFV-8 Club Forum : | https://www.earlyfordv8.org/forum |
| Topic: | https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=18&Topic=2068 |