wanted..factory tubular exhaust manifolds 85-90 rwd

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Old July 3rd, 2016, 06:40 PM
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wanted..factory tubular exhaust manifolds 85-90 rwd see pics

I found a post by Joe P that says they where used from 85-90 on rwd cars with 7a heads...anyway i need a set..left and right..

i dont have a pic of the drivers side..i do, but its completely cover by a heat shroud...could use the cross over pipe..at least the flanges..and a couple inches of tube.. too....ive scoured the local JYs and theres nothing this old laying around anymore...


tube%20manifolds_zpsflzqyym9.jpg
mani%20tubes_zpsmisabjsg.jpg

Last edited by marxjunk; July 3rd, 2016 at 08:40 PM.
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Old July 3rd, 2016, 10:56 PM
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Not really sure that those will work on the older heads as the exhaust ports on the 7A heads are different.

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Old July 4th, 2016, 08:12 AM
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wow..wonder of the spacing is the same..
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Old July 4th, 2016, 09:30 AM
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i have some pm me if interested
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Old July 4th, 2016, 01:17 PM
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pm sent..thanks
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Old July 4th, 2016, 02:33 PM
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Originally Posted by marxjunk
wow..wonder of the spacing is the same..
The bolt pattern and port spacing is the same. The 7A heads have those tiny round ports unlike those on any other Olds head. The tubular manifolds actually have rectangular ports (as you can see by the carbon on the gasket on the head above) but they are still smaller than the ports on other Olds heads. 7A heads with these manifolds are the only factory application that used exhaust gaskets, and they are different gaskets from all the other Olds header gaskets.



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