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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

3.0 Head Regular & Flex What is the differance?

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Old Aug 8, 2009 | 02:55 PM
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3.0 Head Regular & Flex What is the differance?

Newbee here,
Can anyone tell me the differance between the regular and flex 3.0 head or have pics. I am replacing mine and Im not sure that the shop I bought them from gave me the right ones...
 
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Old Aug 8, 2009 | 09:58 PM
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I think all of the differences were in the injectors and such. But I am not completely positive. Someone else will post up.

Welcome aboard! Post up a little info on your truck!
 
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Old Aug 8, 2009 | 11:41 PM
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The 3.0L FFV injectors are a different size then the regular gasoline injectors.

Aside from the injector size, the differences between a 3.0L FFV and regular gasoline 3.0L Ranger lie in the fuel delivery system and PCM operating strategy, both of which are not a part of the engine itself.
 
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Old Aug 9, 2009 | 07:18 AM
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The reason I question the heads is because I found this article in Engine builder.
http://www.enginebuildermag.com/Arti...rd_30l_v6.aspx
On the right of the screen there are pictures. Scroll down to the eleventh one and click on it.
 
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Old Aug 9, 2009 | 08:53 AM
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The FFV 3.0L that Ford put in it's vehicles and sold to the general public does not use methanol; instead it's designed for ethanol use. The heads are the same between an ethanol-based FFV and the regular gasoline version.

As for the methanol 3.0L heads, I was not aware of the differences that you have pointed out, but then again, I've never seen a methanol 3.0L or even heard of one being discussed on any of the Ranger forums.
 
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Old Aug 29, 2009 | 09:06 AM
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If anyone can find these heads with the casting mark of F6DE-EB, these are supposed to be the "Methanol" heads, what the difference is I do not know, I have been going through this head identification thing myself, have a 99 ganger flex fuel and am replacing the engine with a reman, and it has one head from 86-91 and the other head is from 96-00,,,,,,,anyone have a picture on this elusive "meth-head"
 
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