65 AC Shelby Cobra 3 Valve Install

[SVTdreamin04]

Asking for a friend:

My friend is putting a 3 valve 4.6 in his 65 AC Cobra and is looking for anything that would be considered a fender well header that fits into side pipes. He is looking for something like this, but obviously not for a LS engine. I told him this is probably not going to be something that you would just be able to buy and the 3 valve aftermarket support is pretty much dead, but I told him I would ask the experts! Any thoughts or ideas are welcome!

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[598]

Factory Five?

 

[HEMIHUNTER]

Why a 3 valve?
He might have to have fabricated.


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[ToddW702]

Seems like it will have to be a custom set. But I agree with the above factory five check, they might have something.


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[black4vcobra]

Why a 3 valve?
He might have to have fabricated.


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No doubt. I would even put a 2V in before a 3V due to availability, reduced complexity and increased aftermarket support.

 

[SID297]

No doubt. I would even put a 2V in before a 3V due to availability, reduced complexity and increased aftermarket support.

SBF before either.

 

[black4vcobra]

SBF before either.

Oh forsure.

3V is the worst pick of any Ford V8 in the last 50 years.

 

[Great Asp]

Factory Five?

I do not think that is a FF frame

 

[me32]

SBF before either.

Roush 427

 

[03cobra#694]

SBF before either.

408

 

[SVTdreamin04]

I mentioned everything you all said. He is using the 3 valve because it’s what he has.


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[SVTdreamin04]

Why a 3 valve?
He might have to have fabricated.


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It’s what he has. I told him I have a 306 sitting on an engine stand I would sell him but I think he is going this route to save money. He just got a divorce not too long ago.


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[03cobra#694]

Yuck

 

[wizbangdoodle]

Save money short term, spend more long term.

 

[biminiLX]

Save money short term, spend more long term.

This.
Be a friend and buy him a few beers and convince him he’s making a mistake.
Worst choice truly.
-J

 

[SVTdreamin04]

This.
Be a friend and buy him a few beers and convince him he’s making a mistake.
Worst choice truly.
-J

I tried.


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[Black Gold 380R]

Let him build it the way he wants or can afford now. He can always redo it when he gets back on his feet or realizes there are better choices than a 3 valve.

That's kinda what happened with my 65 with a little Devine intervention. Built it the way I could afford to in 2010. Engine blew in 2015. Rebuilding it the way I should have in 2010, but started in 2020 .

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