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Old 05-07-2013, 09:15 AM
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Identify 6.0 vs 7.3

I'm looking at an 03 crew cab. The owner claims it is a 7.3. The VIN indicates 6.0. What's the easiest ways to visually differentiate the two motors? Thanks.
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Old 05-07-2013, 09:20 AM
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A 6.0 engine looks like this:


And a 7.3 looks like this:

Last edited by dfuzz78; 05-07-2013 at 09:27 AM.
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Old 05-07-2013, 09:23 AM
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So the most noticeable difference is the air intake elbows, the 7.3 sits in the middle of the engine and the 6.0 sits right in front.
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Old 05-07-2013, 09:25 AM
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Quote:
Originally Posted by dfuzz78 View Post
So the most noticeable difference is the air intake elbows, the 7.3 sits in the middle of the engine and the 6.0 sits right in front.
and ther 7.3L powerstroke cover sitting ontop of the motor!?
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Old 05-07-2013, 09:29 AM
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Quote:
Originally Posted by 2000-7.3L View Post
and ther 7.3L powerstroke cover sitting ontop of the motor!?
Yeah, but that cover can be removed, especially if the owner is trying to defraud the OP...
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Old 05-07-2013, 09:30 AM
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You can also look for a bunch of coolant sprayed around the degas bottle and near the heads, in which case it is probably a 6.0.

Just kidding...the motors usually have a tag on or near the valve covers which can tell you what it is, too.

Something that isn't easy to miss is the oil filter on a 6.0. It is mounted on top of the motor and has a black filter cap. The 7.3 did not have this.
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Old 05-07-2013, 09:32 AM
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"You can also look for a bunch of coolant sprayed around the degas bottle and near the heads, in which case it is probably a 6.0."



Thats awesome! Thats one way of knowing its a 6.0 leaker LOL
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Old 05-07-2013, 09:34 AM
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Quote:
Originally Posted by fordpwrstroke7 View Post
You can also look for a bunch of coolant sprayed around the degas bottle and near the heads, in which case it is probably a 6.0.

Just kidding...the motors usually have a tag on or near the valve covers which can tell you what it is, too.

Something that isn't easy to miss is the oil filter on a 6.0. It is mounted on top of the motor and has a black filter cap. The 7.3 did not have this.
I was going to ask if it was fast when he drove it, cuz then it would be a 6.0... But this is the 7.3 thread...

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Old 05-07-2013, 09:38 AM
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Look in the glove box and see if there are recipts from being in the shop every week
then you will know its a 6. ohh no



Just kidding!

Last edited by 2000-7.3L; 05-07-2013 at 09:42 AM.
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Old 05-07-2013, 09:40 AM
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Just look for the degas (coolant) bottle, 6.0 has it on the firewall, the 7.3 has it right up front on a superduty
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