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Update on my Ford FE project...Started new engine today

I have to agree with most of the comments here. Being a Ford dealership mechanic for over 37 years, been around a lot of FE engines.

230 degrees is way to hot, even while first run breaking in. On an FE, 210 is dangerous. There is to much metal expansion going on. Also, we were told by the factory instructors to never idle an engine over 2000 rpm unloaded. Centrifigal forces are huge. When the engine is loaded, the forces are controlled, when not loaded, (working) they are throwing everywhere but where designed. I always first run/broke in new builds at 1000-1500 rpm, max. And if temp went over 205, shut it down, something is wrong.

Your noise could have been from excessive expansion in a cylinder, (piston or rod/wristpin.) You have headers on, which transmit much more cylinder noise than the stock cast iron manifolds.

Another problem which may have contibuted to your heat problem is your flex fan. They are designed to "flatten out" at rpms a little over idle. 2000 rpm they have lost much of their "suction" pulling air thru radiator. Our shop had a big box fan that we would put in front of the vehicle to help push air thru during first run.

The noise I heard sounded more lower end, reciprocating part than upper, lifter/rocker sound. Heavier.

Like stansdds said,"it's been a long time since I've had to use this knowledge."
 
A big thank-you to everyone who has responded...

I pulled the intake, fixed the push-rod clearance issue, and re-installed. (Along with everything that entails!)

Should be ready to fire it again today. We'll see what happens! I've got my fingers crossed that the pushrod was my sound..

Joseph
 
***UPDATE***

Fellas,


Big thanks to all who have offered help!


The pushrod clearance issue, was not my noise...bummer!
The knock persists.


Going to pull the motor, and it's going back to the machine shop.


Put a laser temp sensor on...my water was also getting to around 205-210 max...but opening up at 195 out of the motor. Not as hot as I first thought.


Thanks again,
Joseph
 
I didn't think it was top end, totally differernt sound.

As for the laser temp sensor, don't depend on them for exact readings. They are not perfectly accurate, as they read the light waves emitted from the part. They are used more for finding hot/cold spots. Not unusual for them to be 5-10 degrees off, depending on the material they are reading from.

Good luck
 
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