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Why was the intake manifold so special---or was it?
#1
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patgreen
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Reading some old material yesterday which included remarks that that the 56 intake manifold was a great advance for unspecified reasons.

Judging from my car, the advance did not involve improved mileage.... So what was special, and why?

Posted on: 2013/10/6 15:49
When two men ride the same horse, one has to be in the back...
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Re: Why was the intake manifold so special---or was it?
#2
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HH56
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Guess it depends on what they are comparing with. Maybe an advance from previous Packard designs but there were probably competitive designs that were comparable.

Here's some official Packard propaganda to start the discussion.

Attach file:



jpg  (48.87 KB)
209_5251d02187d86.jpg 676X460 px

Posted on: 2013/10/6 16:03
Howard
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Re: Why was the intake manifold so special---or was it?
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Jack Vines
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Are we saying there are differences between the '55 and '56 intake manifolds?

jack vines

Posted on: 2013/10/6 17:33
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Re: Why was the intake manifold so special---or was it?
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Tim Cole
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My guess is they found better midrange torque from the longer runner. That improves breakaway and eliminates the "slushamatic" sensation you get with the straight eight.

You have to compare the two cars to appreciate the improvement.

Posted on: 2013/10/6 20:09
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Re: Why was the intake manifold so special---or was it?
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patgreen
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Quote:
Are we saying there are differences between the '55 and '56 intake manifolds?


No. Do they differ in any substantive way? I assumed they were interchangeable with the appropriate carb.....

Posted on: 2013/10/6 20:15
When two men ride the same horse, one has to be in the back...
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