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cobra manifolds 

 

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 Post subject: cobra manifolds
Posted: Thu Jan 28, 2010 1:15 am 
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hi,

I am wondering, if i get ahold of a cobra manifold will it be a direct swap into my EL XR8?

I really dont want to have to alter anything? i have read that all the EGR gear bolts up, the IAT sensor goes straigh into the cobra and all the vac ports are the same?

is this true?

also what size is the cobra throttle body, egr and inlet into the manifold?

will these bolt up to GT40p heads as well? (another thing on the shopping list )

thanks
Jason
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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:24 am 
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Direct replacement for the HO manifold. All that may be different is the vacuum tree underneath, might take a little bit of fiddling here and there but should be no harder than sticking your old one back on. Cobra manifolds dont come with throttle bodies. If you choose this manifold, the hole into the top intake will not pose a restriction for your setup.

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 5:08 pm 
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Here's a photo I took when comparing mine.

Image

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:04 pm 
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yer, so as long as you replace the lower manifold aswell, all shall be well

But vic, with your tree coming out of port C. what did you do with the other lines?

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:22 pm 
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Just moved them around.

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:30 pm 
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lol yes and where?

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:39 pm 
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B goes to A goes to PCV in rocker cover.

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:43 pm 
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What about the tree of port C?

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:50 pm 
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It's been a couple of years since I've had it apart but it goes in the same place from memory.
D is just a vac line I think.

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:52 pm 
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i think the tee can be used on the cobra, have seen pics of this before. fantastic photo vic thank you very much! did you put the manifold on your car? any problems? did the egr bolt right up inc the IAT sensor? worth while modification?

cheers
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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 6:53 pm 
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haha sorry missunderstood, god dadmn beers lol

all good, thats what ive done

Cheers matey

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 7:01 pm 
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No problem.
I bought this manifold from a cobra owner in NY and also wondered too if the bolt sizes were the same. Turned out to be the same ( which in hindsight makes perfect sense - why would Ford change it? ), which made swapping rather easy.
I did that pic and labelled the sockets just as an exercise for myself.

As for the manifold, I don't use the EGR. In fact I used AB epoxy to block the EGR hole in the lower manifold. The sensor hole was fine and saved me having to install it somewhere else - made it neater.

 

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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 8:35 pm 
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thats gold, good info thanks vic!

what throttle body did you use? did you get a performance/economy benifit out of the mod?

cheers
Jason
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 Post subject: Re: cobra manifolds
Posted: Thu Jan 28, 2010 8:43 pm 
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I run a 70mm BBK TB.
I tried a 75mm TB but I only gained about 1kw or so and lost some low end resolution.

 

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