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December 3rd, 2015, 02:27 PM
#16
The New 170 Will Noot Cool! HELP!
I can't help with the 170 engine, but I had horrible issues with my 347 engine overheating and went through most of the same type fixes trying to cool my engine off. It would boil over no matter what I tried. I purchased an aluminum radiator originally, tried electric fans pushing because there was no room on the engine side. Still boiled.
I tried different thermostats, no thermostat, different size restrictor plates, got rid of the electric fan, tried different types of blades on cooling fans, on and on and on.
I finally ran into a guy at Hot August Nights. He saw my issues and told me his solution to the same thing. He had just installed a new four core radiator from Champion and went back to the engine fan.
I got home ordered the same radiator, had to modify my frame and cowl to get room for the radiator/fan. Now it runs at 185 degrees no matter what or where I go.
But, my brother Jerry with his Fairlane has done what I have and he must have the engine from Hell that Roger talks about.
May not be any help. ?? Larry
Larry Smith
1964 Futura
347 stroker
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December 3rd, 2015, 03:02 PM
#17
Oh look - two threads with the same stuff!
One thing I didn't post over in the other thread is that I too had overheating issues after putting my 289 into my Ranchero. Not blowing it's stack, but I never let it get that far before getting it to move down again. Mostly idle stuff in traffic. What I found was that my mix of antifreeze was too strong in the antifreeze direction. The ideal mix is 50/50, but really water has the best thermal transfer rate - far better than antifreeze does. I was probably at a 75/25 rate. I went to a 25/75 rate (antifreeze/water) and my engine runs pretty cool now - though with the new motor and .060 bore it's gonna run hot for a while I feel. It's still good enough to minus 30, which in Seattle should be just fine.
Roger Moore
63 "Flarechero"
powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear
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December 5th, 2015, 11:53 AM
#18
Hot Falcon
Hey Luva65wagon, you said something that really caught my eye, when I check for coolant flow with the cap off, it appears to flow fine, but when I rev mine, the coolant just pours out of the radiator instead of drawing down like you said, I think you might have just nailed the problem, what do think that could be, reverse flow water pump?, plugged water jacket?
P.S. I'm sorry about posting on two threads, I mostly read, rarely post, and to be honest, I'd forgotten how.
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December 7th, 2015, 08:40 AM
#19
We can just follow the other thread from here on out. Lay this one to rest.
Roger Moore
63 "Flarechero"
powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear
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