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offy 4 barrel intake with Dutra Duals question
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Author:  kenicb [ Fri Aug 03, 2012 12:09 pm ]
Post subject:  offy 4 barrel intake with Dutra Duals question

I need help getting my parts together.
I have set of Dutra Duals and an Offy 4 barrel coming in the mail

Will i need a block off plate for the hotbox on the exhaust manifold? Doesn't look like they bolt together as do the super six manifolds

If i do need a block off plate, how thick can i go? there's an 1/8" thick one on ebay.

thanks so much.

God Bless

Keni

www.kenithomas.com

Author:  hantayo13 [ Fri Aug 03, 2012 1:25 pm ]
Post subject: 

which rear manifold???? stock cut one will need gasket ...custom doug dutra one does not use it

Author:  Doc [ Fri Aug 03, 2012 1:31 pm ]
Post subject: 

If the set of Dutra manifolds is the type that has a modified factory manifoldto use as the rear section, then it should all bolt together like a factory set-up.
If it's "Dual Dutra Duals" (two new Dutra castings) then there is no intake heat opening so nothing needs to be blocked-off.
DD

Author:  kenicb [ Fri Aug 03, 2012 9:27 pm ]
Post subject: 

OHHH! thanks Doug. That makes sense now. Yes mine is a modified manifold i did myself. Cut it in half and welded the cut shut. i did not close up the exhaust manifold at the hot box. Wasnt aware that yours did that. Thank you for the clarification. i have learned
God Bless

Keni

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