Gas tank selection help needed

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Sep 28, 2011 | 10:00 AM

lamar804

Thread Starter

Senior User

Joined: Jan 2011

Posts: 205

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From: Richmond, VA

Gas tank selection help needed

My rear gas tank has a bad leak. So I'm looking to order a new one today, looking on Summit's website they have two listed for my truck.

1.) Fits models with EEC-IV ignition systems.
2.)Fits models without EEC-IV ignition systems.

I have know idea what this means! Can someone help me figure out which tank fits my truck?

BTW: It's a '78 F250 / 460 / 4x2

Thanks!

Sep 28, 2011 | 10:51 AM

strokerfe

Junior User

Joined: Oct 2006

Posts: 55

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I believe EEC means Evaporative Emission Control or something like that. If you had your old tank off you could tell by looking at the top of the tank. If it has a valve on the top of the tank then it has EEC if their is no hole then it is without EEC. Other than that I'm sure some one else will chime in with more info.

Sep 28, 2011 | 11:52 AM

i-w

Fleet Mechanic

Joined: Sep 2009

Posts: 1,572

Likes: 37

From: Northern Virginia.

https://www.ford-trucks.com/forums/1...questions.html

Please read this link above.

you might want to look at your tank where the filler is becasuse it seems a lot of trucks
have had tanks replaced and the `vent tube was extended and crosses over from front
to back of tank.

just read the above link should answer most questions.

Sep 28, 2011 | 11:52 AM

91Bronc300

Elder User

Joined: Oct 2008

Posts: 708

Likes: 1

Well EEC-IV started in 1984. EEC in this case being Electronic Engine Control module. So I'm guessing the tank you want to buy was used by Ford before and after the fuel injection change and they just modified it a little bit when fuel injection started. For return lines probably. You need the non-EEC-IV version.