12a header that stay closest to block?
I wanted to keep the exhaust manifold for this engine swap that I'm doing but it sticks out way too far from the block. Does anyone know of a header that makes the bend pretty sharp or am I going to have to make one?
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You might have to make one. Sharpest I have seen is the RB setup, streetable. Not sure the the streetable and streetport setup are the same.
Why would you want to make it have a sharp turn? Not too good for ezhaust flow to have a 90* bend right out of the housing, like the RX8. |
Originally Posted by Jeezus
(Post 9125784)
Why would you want to make it have a sharp turn? Not too good for ezhaust flow to have a 90* bend right out of the housing, like the RX8.
I might have to make a box like the OEM manifold and have a 3" pipe come out of the bottom rear corner of it. That may be better than making a header that bends too tight. Thoughts on that? |
Originally Posted by pac11adp
(Post 9125877)
It's not really about "wanting" I don't have the space for anything else. The unibody "frame" is right there
I might have to make a box like the OEM manifold and have a 3" pipe come out of the bottom rear corner of it. That may be better than making a header that bends too tight. Thoughts on that? I have the RB header on my car and can measure the distance from the block to the furthermost point in the header. |
Originally Posted by Jeezus
(Post 9125890)
What car will you be swapping it into? Also, since you have found the need to have a "short" so-to-speak header, do you have any pictures or measurements that you need?
I have the RB header on my car and can measure the distance from the block to the furthermost point in the header. MGB about 3.5 inches max |
You might have heating issues if you bend the flow too tightly... a lot of expansive cooling takes place in that first inch or so. May force you to go wide.
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You might consider using a stock exhaust manifold from an FB. I think it will fit what your trying to do.
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I think someone here has a rotary MGB? Or maybe its just an MGB. Not sure, I think his username is MG something.
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Yep, apparently he has just an MGB. 64MGB is his name.
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Originally Posted by t_g_farrell
(Post 9126516)
You might consider using a stock exhaust manifold from an FB. I think it will fit what your trying to do.
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