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Old Feb 15, 2008 | 03:22 PM
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Head Swap
I was wondering. I have a 2006 F-150 STX with the 4.6L 2V SOHC. Will the Mustang GT 3V Heads fit on it? How about the GT500 Heads?
 
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Old Feb 15, 2008 | 03:29 PM
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Also, Would a Supercharger for a mustang work for my truck?
 
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Old Feb 15, 2008 | 07:31 PM
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The heads bolt up, but the wiring and electronics are not there for the drive by wire throttlebody or the variable cam timing of the 3V and you will also need to do alot of fabricating to do the 4V thing as well.

The Mustang Supercharger will not bolt to 2V heads. It also puts the TB on the wrong side.
Your best bet would be a Lightning 5.4L.
 
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Old Feb 15, 2008 | 09:12 PM
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So the Lightning Heads will fit on my block? the 03' will fit on my 06'?
 
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Old Feb 16, 2008 | 05:11 PM
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Interesting. Does that mean short blocks for 2v and 3V engines are the same or close enough for them to swap in either direction?
 
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Old Feb 16, 2008 | 05:59 PM
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Originally Posted by jcarlson
So the Lightning Heads will fit on my block? the 03' will fit on my 06'?
The heads on your 4.6L are identical to those used on the lightning-cams and all.
JL
 
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Old Feb 17, 2008 | 09:56 AM
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What about a good intake?
 
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Old Feb 17, 2008 | 10:23 AM
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Originally Posted by jcarlson
What about a good intake?
If you're referring to an inlet tube-don't waste you time-NONE of the aftermarket pieces will net you any HP gain-the entire intake manifold is the problem. You could swap a Mustang intake onto it with a bit of fabrication for fuel rails,etc....but you'll lose a bit of torque down low due to the design of the car intake.
JL
 
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Old Feb 17, 2008 | 04:27 PM
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Originally Posted by monckywrench
Interesting. Does that mean short blocks for 2v and 3V engines are the same or close enough for them to swap in either direction?
The valve reliefs in the pistons are different for the valves. Just get a complete engine from a junker along with the ECU and wiring.
 
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Old Feb 17, 2008 | 07:11 PM
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Thanks! That's the stuff interchange manuals don't mention.
 
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Old Feb 18, 2008 | 09:07 AM
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What about a supercharger? The 5.4L is supposed to be a 90 Degree engine so I can't use one from the lightning, can I? So what can I pirate one from?
 
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Old Feb 18, 2008 | 09:22 AM
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Originally Posted by jcarlson
What about a supercharger? The 5.4L is supposed to be a 90 Degree engine so I can't use one from the lightning, can I? So what can I pirate one from?
The block configuration for the 5.4L is identical as a 4.6L,it just has a taller deck(so the Lightning S/C would not fit)-similar to an old 5.0L vs a 5.8L. You can use several S/C kits-just about anything for a 4.6L 2V engine will work.You'll have to do some fabricating to get some of them to fit right. Vortech and Paxton both make kits for the 4.6L trucks,and there are also some positive displacement S/C companies that make kits for the trucks too. It's all based on what you wanna do. I've got a Roush Stage 3 intercooled S/C kit for sale on eBay right now-I was gonna use it on my '98 model before Dad bought it-just never had the time to do it.It's for a Mustang,but would work fine on any 2V with minor fabrication.
JL
 
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Old Feb 19, 2008 | 02:09 PM
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I talked to the guys at BBK, and about 6 months from now they are coming out with an SSI & DSI Intake for the 06' 4.6L 2V SOHC
 
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Old Feb 19, 2008 | 03:52 PM
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Originally Posted by jcarlson
I talked to the guys at BBK, and about 6 months from now they are coming out with an SSI & DSI Intake for the 06' 4.6L 2V SOHC
Don't hold your breath-several companies have been promising intakes for the 4.6L's for a LONG time now,and so far only Edelbrock has produced,and the only one they have available is the Victor Carburetor version.
JL
 
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Old Feb 19, 2008 | 04:07 PM
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part # BBK5012
 
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