7.3 manifold swap - Ford Powerstroke Diesel Forum
6.9L IDI Diesels Technical discussion of topics related to vehicles powered by the 6.9 Liter In-Direct Injection Navistar engines.

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Old 01-11-2009, 07:39 PM
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7.3 manifold swap

I am needing to know if the 6.9 and 7.3s will interchange exhaust manifolds. Im under the impression that all major hardparts have the same bolt patterns but wanted to make sure
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Old 01-11-2009, 07:45 PM
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idk but heres a bump
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Old 01-11-2009, 07:49 PM
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I seriously doubt it. The heads arent even the same.
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Old 01-11-2009, 07:53 PM
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Ok thanks, I have never messed with 6.9 before. Somone told me the heads were similar. This is just my new project Im working on.
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Old 01-11-2009, 07:55 PM
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well, just to make sure, let some others respond on here. I dont think it ill work.
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Old 01-12-2009, 05:13 PM
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i found a couple companies that make Oem replacments. they say they interchange. Thanks anyway guys
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Old 01-12-2009, 05:22 PM
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Lets see some pics of the trucks!
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Old 01-13-2009, 06:15 AM
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Ill have to get back to ya on that. right now Its like 7 degrees with a -4 degree wind chill
I only have a picture of my car on my computer.
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Old 01-13-2009, 02:49 PM
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Wow you guys, come on we are forgetting to ask a VERY important question.

When you are refering to a 7.3, do you mean 7.3 powerstroke, or 7.3 IDI (1987-1994 diesel)?

If you are talking about the powerstroke, then no they wont interchange. If you are talking about a 7.3 IDI then yes, they will.

Good luck and use lots of penetrating lube before you start
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Old 01-13-2009, 03:28 PM
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not trying to steal this thread...but is there a such thing as 'headers' for diesels?
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