Engine Identification
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Joined: Feb 2014
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From: Nebraska
Engine Identification
I just bought a 65 f100 long box. The guy I bought it from replaced the 352 with a rebuilt 360. He bought the 360 from the person that rebuilt it. I have no idea what the 360 came out of. How would I go about identifying the "engine donor"? I'm sure this info will be helpful down the road when buying parts. Thanks in advance for any help.
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
1974/76 360/390 intake manifold. If from a 390, it could be either a 2V or 4V.
But the engine could be any FE size from any year. Look for a 3 digit date code cast on the block near the starter. Similar to this: 4D3
Fleet Mechanic
Joined: Oct 2007
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Tim the only was to determine the engine size on a FE is to measure the stroke. There are no casting numbers that will allow you to figure out displacement, especially if the engine was rebuilt. Who knows if it was rebuilt as it came out of the original vehicle, or was it rebuilt with mismatched parts?
The engine in my 66 has a tag riveted to the block that state "remanufactured by Ford". Is it the original engine, is it a service replacement, or did it come out of something else? I don't know.
The engine in my 66 has a tag riveted to the block that state "remanufactured by Ford". Is it the original engine, is it a service replacement, or did it come out of something else? I don't know.
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From: Nebraska
Thanks ShadowRider and NumberDummy.
I have read a couple different websites that say the same thing, only way to tell if it's a 360 or 390 at this point is to measure the stroke. Am I correct in assuming then that the only parts that would be different between the two displacements will be the Crankshaft and connecting rods?
I have read a couple different websites that say the same thing, only way to tell if it's a 360 or 390 at this point is to measure the stroke. Am I correct in assuming then that the only parts that would be different between the two displacements will be the Crankshaft and connecting rods?
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Fleet Owner
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From: Creedmoor, North Carolina
Thanks ShadowRider and NumberDummy.
I have read a couple different websites that say the same thing, only way to tell if it's a 360 or 390 at this point is to measure the stroke. Am I correct in assuming then that the only parts that would be different between the two displacements will be the Crankshaft and connecting rods?
I have read a couple different websites that say the same thing, only way to tell if it's a 360 or 390 at this point is to measure the stroke. Am I correct in assuming then that the only parts that would be different between the two displacements will be the Crankshaft and connecting rods?
John
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From: Nebraska
based on the amazing 8 mpg I'm getting I'm going to guess it's a 360!!!
I found a asticker on the valve cover that had been rattle canned over that says build date was January 1974. So at least the valve cover and manifold agree.
I found a asticker on the valve cover that had been rattle canned over that says build date was January 1974. So at least the valve cover and manifold agree.
Fleet Owner
Joined: Jun 1999
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From: Creedmoor, North Carolina
I believe most FEs had 3.25 or 3.00 behind them, your 3.50 is a stock number but I haven't seen as many used. If it is screeming at 70, you likely ore 4.10.
Take a quick look on the rear to see if the tag is still there. You can post the numbers back here.
I like to get the truck on a very level place (like a garage floor), make a mark on the left rear tire where it touches the floor and another mark or piece of tape at a bolt end on the rear. Then with someone there as backup for safety, hand roll the tire one complete revolution while counting the revolutions of the drive shaft. This should give you an accurate count of the actual true ratio, because it is in real time.
John
Take a quick look on the rear to see if the tag is still there. You can post the numbers back here.
I like to get the truck on a very level place (like a garage floor), make a mark on the left rear tire where it touches the floor and another mark or piece of tape at a bolt end on the rear. Then with someone there as backup for safety, hand roll the tire one complete revolution while counting the revolutions of the drive shaft. This should give you an accurate count of the actual true ratio, because it is in real time.
John