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Old Oct 3, 2003 | 10:03 PM
  #16  
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Originally posted by Jarlaxle
Then it's not a PI--it looks like a low- to medium-rise iron intake. It was free...my friend said it was a PI intake...which it seems it is not. I don't have a clue what the casting numbers are...never checked.
Hmmm... maybe it's a CJ manifold, does it look like this?



The casting number has been chalked, it's C8OE-9425-C
 
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Old Oct 4, 2003 | 11:38 AM
  #17  
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Could be...but I think it's a spread-bore design.
 
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Old Oct 4, 2003 | 01:08 PM
  #18  
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intakes

Jar, could you go take a look at the manifold you have and read us the casting # ? we're all dying to know what it really is.....or can you take a picture of it ? FEs never came with a spread bore carb that I am aware of....at least not in the usa. Canada or mexico or Austrailia, who knows. I wonder if maybe you have a P.I. manifold for a 429....some of those had a spread bore carb, where made of iron, and don't stand very tall. DF
 
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Old Oct 4, 2003 | 04:47 PM
  #19  
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My friend just returned my e-mail--the casting is C3O(unreadable)-and everything after that is illegible. It looks like the carb pad was milled to make it seal, & the casting number was damaged. The "o" could be a C, a G, or a zero, or a D...he says it's pretty hard to read.

Wouldn't "C3XX" be a 1963 intake? Hmm...off a police 352 or 360 maybe?

It' a square-bore design, & I was wrong about the carb--he currently has a 750 Holley, not an Edelbrock.

This thing has definitely been around the block!

I thought the 428CJ had an aluminum intake?
 
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Old Oct 4, 2003 | 05:07 PM
  #20  
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C3 is a '63 casting code. It means it was designed in '63 but could have been cast later than that, the date code tells when it was poured. There should be a letter after that, possibilities would be a A, O, or X. If it's an O, then it was for an intermediate or compact car, a full-size car would be an A. Problem is, in '63 all the production FE's were in full-size cars and they were all A's. Boy I sure wish you could get a pic of it.

Production 428CJ's all got iron manifolds. The 428PI's got aluminum ones until '68.

Barry
 
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Old Oct 4, 2003 | 06:38 PM
  #21  
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I just e-mailed him again...he said it looks like a 3, but could be "C8"...someone REALLY butchered this number with a grinder.
 
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Old Oct 4, 2003 | 06:39 PM
  #22  
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Also, what letter would a truck use?
 
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Old Oct 4, 2003 | 06:49 PM
  #23  
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Truck would be a T.

The only C8OE manifold for the FE I can think of right now would be the CJ.

Barry
 
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Old Oct 4, 2003 | 07:13 PM
  #24  
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Does it have a big "S" or "T" on the number 1 runner?

(like this)

http://bellsouthpwp.net/D/u/DuckRyder/F100/3310bW.jpg

OH, And did I read that right, that the Blue Thunder PI "Look A Like" is good for 20 hp over an RPM?
 

Last edited by DuckRyder; Oct 4, 2003 at 07:17 PM.
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Old Oct 4, 2003 | 08:28 PM
  #25  
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Some clown ground most of the "bumps" and almost all the markings off this thing...no idea what it is. It does NOT have the cylinder numbers on the runners.
 
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Old Oct 4, 2003 | 09:15 PM
  #26  
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The Blue Thunder intake is said to outperform the RPM everytime. 20HP is probably a good estimate. It is much better than the PI intake.
 
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Old Oct 5, 2003 | 06:57 PM
  #27  
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But is 20 hp worth $200-$300 ? With that said wouldn't you be better off with a NOS spacer plate for a little more money.You can change HP jets and go wild with the spray.You would make more HP/TQ with the stock intake.
 
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Old Oct 5, 2003 | 07:28 PM
  #28  
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Originally posted by hotrodfeguy
But is 20 hp worth $200-$300 ?
It might be.............

Paint it blue and it will be stealty.............
 
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