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1960 intake manifold

 
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rmakine



Joined: 21 Aug 2018
Posts: 3


1960 Ventura

PostPosted: Sun Sep 02, 2018 2:15 pm    Post subject: 1960 intake manifold Reply with quote

Hi, I am a new member and I have a question. I see several aftermarket intake manifolds listed as compatable with my 1960 ventura 389 and they ALL have a different water jacket location on the head than my engine has. (except the edelbrock p-22). My water passage is right next to the 2# cylinder intake runner. All the other intakes have over an inch distance closer to the front of the engine. More confusing is the fact that most of the e-bay intakes for sale are only showing a top view and no bottom view so I cannot tel if it would work on my application. I already have one intake to return and the seller swears it would have had to be the right one because he said they are all the same from 55 to 64! Mine isn't the same! Help! Mak
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Larry
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Joined: 01 Jun 2006
Posts: 4768




PostPosted: Sun Sep 02, 2018 6:03 pm    Post subject: Intake Manifold Reply with quote

This information below was from the "PontiacSafari.com" web site. I have found their compilation of data to be pretty reliable in the past. It seems to match up with year "groupings" I have found elsewhere also.

1961 and later intake manifolds are not compatible with the 1955-60 heads although some after market aluminum intake manifolds will interchange.

1955-60 intake manifolds are interchangeable between years, meaning that any year intake manifold will "bolt" onto any year heads. But you must be aware of other issues. Port sizes are not all the same: 1957 and later ports are larger than 1955-56. Carburetor interfaces may be different, for example, 1957-60 4-barrel manifolds have large primary ports (for AFB carb) and 1955-56 do not. Using later carb on 1955-56 four barrel intake manifold will result in vacuum leak. 1959-60 intake manifolds do not have threaded holes for mounting the earlier generator brackets.

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rmakine



Joined: 21 Aug 2018
Posts: 3


1960 Ventura

PostPosted: Tue Sep 04, 2018 12:18 am    Post subject: 1960 intake manifold Reply with quote

Thanks...That helps.
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