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2V intake on 3V engine?

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Old Dec 1, 2008 | 03:04 PM
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2V intake on 3V engine?

Per my other thread, I am now investigating putting an '06 3V engine in my '99. I have many things to figure out. Starting with:

Will the aluminum '99 2V intake bolt up to the '06 3V heads?

I assume there may need to be some port work to get things to line up well, but I'm mainly wondering if it will physically bolt up?
If not, can it be machined to fit?

Using my old intake and exhaust will address many of my challenges.
 
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Old Dec 1, 2008 | 03:59 PM
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Originally Posted by mwsF250
Per my other thread, I am now investigating putting an '06 3V engine in my '99. I have many things to figure out. Starting with:

Will the aluminum '99 2V intake bolt up to the '06 3V heads?

I assume there may need to be some port work to get things to line up well, but I'm mainly wondering if it will physically bolt up?
If not, can it be machined to fit?

Using my old intake and exhaust will address many of my challenges.
mwsF250 if you have the computer for the 3V you don't have to worry about the intake only thing that might be an issue is headers but with a grinder and a welder it'll be a piece of cake

do you have the wirring diagrams for the 06 3v and 99 2v?
 
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Old Dec 1, 2008 | 04:57 PM
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I have the computer for the 3V, but I'm not sure if it be compatible with my transmission. I believe the donor vehicle (Class A motorhome) originally had a torqshift, whereas I have a 4r100.

The grinding/welding comment didn't even phase me! Got em', use em'. No problem.
And with the manifold, I have a mill at my disposal if it is just a matter of some minor modifications.

Being in Cali, I have to deal with illogical smog laws and some less than brilliant smog check "technicians". It will be easier for the idiots if the original EGR is there and working so they won't have to think. Thinking may hurt them. It definitely slows them down.

I don't have wiring diagrams yet, but they are definitely on my "gotta get" list. Do you have a lead?
 
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Old Dec 1, 2008 | 06:00 PM
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I think your going to have to decide which side of the hill you want to run down, you can use the 2v pcm but you'd be looking into getting a tunner, plus a custom tune I'd reccomned Mike from 5star tunning 5 Star Tuning | Custom Dynomemeter Chassis Tuning Products and Services .

As far as intakes go it's a sticky situation if we knew the 99 intake bolted up, then no problem add and remove metal though this might take tuned ramming, flow, desired LPV, ect. . . out the window. Now if what SAL posted is true,about the 3V intake IMRC disconected it will remain in default mode what that is I don't know, if your lucky it will be the longest runner option availible a great thing for towing but when you get to higher rpm's you might run out of breath. If we got some info on the length and the cross section area of the runner I can gleam some light on the matter.

As for the wirring diagrams go I probably now a place I can dig for them but I'am sure the 06 won't be there

For the EGR I'd drop mike an email as well to see what he can offer as an idea.
 
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Old Dec 1, 2008 | 06:55 PM
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Thanks.
Getting a custom tune from Mike was already on the list.

And you are right, fixed runners are always a compromise and I like what Ford is trying to do with the variable length intake runners. Our old BMW 318is has the same, and it works very well. I'd prefer to keep it, but may have to give up due to all the other concerns (transmission control and smog check ability).

Hence all my questions here, trying to figure out what my best option is.

And honestly, the old '99 V10 had enough torque to get what we need done. Any more is just icing. But icing is good, so I'll get it if I can! I would have preferred a 2V, but this was just too good of a deal.

The plan is to have intakes pulled this weekend for comparison if I don't hear anything first.
 
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Old Dec 2, 2008 | 07:48 AM
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Won't work. The cylinder heads are vastly different,and the ports are much larger on the 3V,so the 2V intake won't even come close to working. The exhaust ports are also totally different,and the 2V exhaust manifolds will not work on the 3V heads.
JL
 
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Old Dec 2, 2008 | 07:51 AM
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Originally Posted by mwsF250
I have the computer for the 3V, but I'm not sure if it be compatible with my transmission. I believe the donor vehicle (Class A motorhome) originally had a torqshift, whereas I have a 4r100.
The 3V engine was only mated to the TorqShift or a manual. The 4R100 was out of production before the 3V went into production.

The 3V computer can't run a 4R100.
 
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Old Dec 2, 2008 | 09:17 AM
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In other words - "can't be done". Or shouldn't be. The 3-valve will suffer greatly in low-end torque, in my opinion, without the variable plenum intake.

If you do decide to do this, report back and let us know how it works out ...
 
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Old Dec 2, 2008 | 09:24 AM
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Originally Posted by krewat
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In other words - "can't be done". Or shouldn't be. The 3-valve will suffer greatly in low-end torque, in my opinion, without the variable plenum intake.

If you do decide to do this, report back and let us know how it works out ...
Actually,it shouldn't. The 2V intake has stupidly long runners with a very small cross-section that makes low rpm velocity and cylinder fill excellent. But,this comes at a cost-it makes the engines very knock sensitive,and chokes high RPM breathing. That's where the variable runner intakes come into play. They have long runners setup for low RPM use,and open up the "shortcut" to the intake ports at high RPM. Ypu can typically see a dip in the dyno curve of an engine where the intake switches over from long to short.
JL
 
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Old Dec 2, 2008 | 11:55 AM
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Well, I don't like what you guys are saying, but I sure appreciate you doing it!

More thinking in order....
I'll start by checking what they want for the trans.

Anybody know of any other stumbling blocks that could arise from swapping the ECM, engine, and trans from the 2006 class A (F53, I believe) chassis to 1999 F250?
In other words, what else does the ECM control?
 
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Old Dec 2, 2008 | 12:34 PM
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You'll need the wiring, too. The wiring between the two is so different that it would be a HUGE job to modify the exisiting harness to work with the new hardware. If you change the PCM, engine, trans, and wiring it should be pretty straightforward.
 
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Old Dec 2, 2008 | 02:14 PM
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Fortunately, I did carefully extract as much of the harness as I could.

I just had a fear inducing thought... Would the '06 be a "throttle by wire"? If so, that would be one more thing to address. Ugh.
 
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Old Dec 2, 2008 | 02:20 PM
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Originally Posted by mwsF250
Fortunately, I did carefully extract as much of the harness as I could.

I just had a fear inducing thought... Would the '06 be a "throttle by wire"? If so, that would be one more thing to address. Ugh.
Yes,it is....all of the 3V engines are drive by wire.
You'll also have to deal with GEM and cluster issues as well.
JL
 
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Old Dec 2, 2008 | 03:29 PM
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ooooohhhhh..... I'm really starting to hate your answers! But still appreciate your sharing of knowledge!

Complexity needle just hit the red zone.
OK. New plan. I have the engine so might as well use the ultra low mileage lower end. From everything I've seen, the blocks remain the same.
But it seems a shame to spend money on pre-PI heads. And a shame to put all this time and effort into the engine without getting at least a little power bump. So how about just upgrading to the PI heads?
Will my '99 pre-PI intake work on those? I've seen photos of both and understand the PI intake ports are somewhat larger but please, please tell me the '99 intake can be modified to fit?
 
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Old Dec 2, 2008 | 04:08 PM
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I'm getting better at using the search function, and think I found my answer:

https://www.ford-trucks.com/forums/3...or-1999-a.html

Sounds like not such a direct swap. Anyone have any success stories?
The PI heads seem to be easier to find.
 
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