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Discussion Starter #1
Hello Ford Muscle Gurus! I need your help!

I have just installed a fresh 347 stroker with dished piston, 64 cc aluminum heads (about 9:1 CR) and a new aluminum radiator. It sounds great and runs pretty smoothly (idle-5000 cam), but it got a little too hot for comfort while taking it out for a spin around the block, about 230 F .


Is this to be expected ?

What is the max temp I can run at without causing any problems?

I really don´t want to mess up the heads with too much heat.

I have electric puller fan which is rated at 2400 CFM. It is self shouded.

Should I consider going back to a mechanical setup?

Thanks!
 

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Look at the thermostat to make sure it is functioning properly and that there is no air in the cooling system that could be causing an air lock. Also make sure the timing is correct, retarded timing can cause overheating.
 

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I agree w/ 70XL on the air lock issue. Take off the bypass hose nearest the t-stat housing and fill the cooling system until it is full. Most likely the air is trapped at the t-stat, keeping it from opening.
 

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Discussion Starter #4
OK, just an update to add to the FM database of information

It was just a bad temp sensor. Reading was 225 actual temp 190. I'm really happy that's all it was. Hopefully I can stop fixing soon and start driving.
 
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