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paging Doc!! exhaust manifold core question
https://www.slantsix.org/forum/viewtopic.php?t=14785
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Author:  VDART [ Sat Oct 22, 2005 7:17 am ]
Post subject:  paging Doc!! exhaust manifold core question

I have seen more than once about save the broken exhaust for Dutra's for a core?

Is there a core charge for Dutra's? I thought they were a completely new cast unit consisting of a front & back unit?

If you need cores --where can they be sent--- Thanks

Author:  SlantSixDan [ Sat Oct 22, 2005 8:53 am ]
Post subject: 

I'll let Doug answer the "where sent" question, but only the front-3 casting is new with Dutra Duals. The rear-3 is a modified (cut 'n' capped) stock manifold.

Author:  VDART [ Sat Oct 22, 2005 9:33 am ]
Post subject:  Dutras

Thanks Dan -

Author:  64ragtop [ Sat Oct 22, 2005 2:27 pm ]
Post subject:  Dutra?

Ok, so I meant I wanted to use a "Dual Dutra" manifold setup when I replied to the hot street motor thread. It just seems like there could be a significant difference in back pressure between the three front cylinders and the back ones. Besides, I live in South Texas, and don't figure I'll need exhaust manifold heat (and the hyper pack intake doesn't have provision for it anyway).

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