360 Tear down
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Tuned
Joined: Feb 2017
Posts: 367
Likes: 23
From: Harrisburg, PA
360 Tear down
The weather warmed up and I was able to get back to work on the '72. I pulled the engine (196,000+ miles), tore it down only to find the old girl was into the copper on all the bearings. Now it's completely gutted with one exception, the camshaft will not by any stretch of the imagination move past the second bearing set! Everything is out, no lifters in the way and it totally binds up, even using assembly lube on the cam bearings. It's going to the machine shop today, so I'll let them get it out, but has anyone ever had this problem?
I was also looking at all the parts during disassembly, all of which are standard 360 parts from Ford with the exception of #1 piston. That piston was clearly marked 390 4V in the pin pockets. 2- 8 are all 360 pistons.
Can't wait for this heart transplant to be finished and get "Forest Bump" on the road again!
I was also looking at all the parts during disassembly, all of which are standard 360 parts from Ford with the exception of #1 piston. That piston was clearly marked 390 4V in the pin pockets. 2- 8 are all 360 pistons.
Can't wait for this heart transplant to be finished and get "Forest Bump" on the road again!
Super Moderator
Joined: Apr 2004
Posts: 34,475
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One piston is marked "390 4V". That should be a flat top with valve reliefs.
What do the other pistons look like?
The 360 piston IS a 390 car piston. 390 2V pistons have a slight dish and the valve reliefs. IIRC both types have been found by members here. Not sure about finding both types in the same engine but as we see in post 2 stuff like that happens.
What do the other pistons look like?
The 360 piston IS a 390 car piston. 390 2V pistons have a slight dish and the valve reliefs. IIRC both types have been found by members here. Not sure about finding both types in the same engine but as we see in post 2 stuff like that happens.
5th Wheeling
Joined: Jun 2021
Posts: 35
Likes: 2
For future reference. I took the timing sprocket bolt and cut a piece of wood to length. I then fastened the piece of wood to the cam. It resembled a propeller lol. I was then able to work it back and forth while pulling it out. It worked for me. I would assume in your case it may or may not have worked because of the messed up bearing but it worked for me.
Laughing Gas
Joined: May 2021
Posts: 1,155
Likes: 358
From: Anderson, California
I have to chuckle when guys rebuilding an engine are concerned about 1/2 thousandth (.0005"), but when we tear down used engines we may find mismatched pieces and parts running with five or more thousandths (.005") bearing clearances, and the engines were galloping down the highway before tear-down.
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