If I have two exhaust manifolds with at least the front three runners good, can I cut them and create a dutra duals type header system without the heat riser and choke stove? If so, what other changes need to be made in the absence of the heat riser?

Curious.

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The only way you can ever really break something beyond repair is to give up trying to fix it.

Maybe, but I think you're going to get awfully close to the firewall with a front half used on the back three.
I have been working on using the front & back halves, and cutting the center dump out. Then using two different dumps, (for the flange), to put dumps on my improvised duals setup. So far, I've only gotten to the cut/grind/fit stage. Don't have a clue who around these parts can do a decent job of welding or brazing cast iron together. I do know I'm gonna have to find a greybeard to do it, though.

Roger

Good cleaning, fitting, pre-heating and nickel welding rod is needed to do cast iron welds.
DD

I have never tried Grilled Manifold before. Hows the taste?

..I'd imagine a bit smokey.

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<img src="http://farm4.static.flickr.com/3173/2992308402_5481afb26e_t.jpg">

69a100: Try it just for the Halibut.

Doc,

Henry Ford would be proud that you are using Kingsford charcoal…

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67' Dart GT Convertible; the old Chrysler Corp.
82' LeBaron Convertible; the new Chrysler Corp
07' 300 C AWD; Now by Fiat, the old new Chrysler LLC

yous guys are exhausting - oo3

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69 a100 225 tree3